Page No 32:
Question 1:
You must be familiar with the following nursery rhymes:
(i) ‘Baa baa black sheep, have you any wool.’
(ii) ‘Mary had a little lamb, whose fleece was white as snow.’
Answer the following:
(a) Which parts of the black sheep have wool?
(b) What is meant by the white fleece of the lamb?
Answer:
(a) Wool is obtained from the hairy fibres (hair) of the sheep.
(b) White fleece of the lamb refers to the white coloured hair of the lamb.
Question 2:
The silkworm is (a) a caterpillar, (b) a larva. Choose the correct option.
(i) a (ii) b (iii) both a and b (iv) neither a nor b
Answer:
(iii) both a and b
Question 3:
Which of the following does not yield wool?
(i) Yak (ii) Camel (iii) Goat (iv) Woolly dog
Answer:
(iv)Woolly dog
Question 4:
What is meant by the following terms?
(i) Rearing (ii) Shearing (iii) Sericulture
Answer:
(i) Rearing: Rearing means helping someone to grow up.
(ii) Shearing: It is the process of removal of fleece along with a thin layer of skin from the body of sheep.
(ii) Sericulture: Sericulture refers to the rearing of silkworms to obtain silk.
Question 5:
Given below is a sequence of steps in the processing of wool. Which are the missing steps? Add them.
Shearing, __________, sorting, __________, __________, __________
Answer:
Shearing, __scouring__, sorting, __picking of burrs__, __dying of fibres__, making of yarn__
Question 6:
Make sketches of the two stages in the life history of the silk moth which are directly related to the production of silk.
Answer:
The two stages in the life history of silk moth directly related to silk production are
Question 7:
Out of the following, which are the two terms related to silk production?
Sericulture, floriculture, moriculture, apiculture and silviculture
Hints: (i) Silk production involves cultivation of mulberry leaves and rearing silkworms.
(ii) Scientific name of mulberry is Morus alba.
Answer:
Sericulture and moriculture
Question 8:
Match the words of Column I with those given in Column II:
|
Column I |
Column II |
||
| (i) | Scouring | (a) | Yields silk fibres |
| (ii) | Mulberry leaves | (b) | Wool yielding animal |
| (iii) | Yak | (c) | Food of silk worm |
| (iv) | Cocoon | (d) | Reeling |
| (e) | Cleaning sheared skin |
Answer:
|
Column I |
Column II |
||
| (i) | Scouring | (e) | Cleaning sheared skin |
| (ii) | Mulberry leaves | (c) | Food of silk worm |
| (iii) | Yak | (b) | Wool yielding animal |
| (iv) | Cocoon | (a) | Yields silk fibres |
Page No 33:
Question 9:
Given below is a crossword puzzle based on this lesson. Use hints to fill in the blank spaces with letters that complete the words.
Down Across
(D) 1: Thorough washing (A) 1: Keeps warm
2: Animal fibre 2: Its leaves are eaten by silkworms
3: Long thread like structure 3: Hatches from egg of moth
Answer:
NCERT Solutions for Class 7 Science Chapters
- Chapter 1 – Nutrition in Plants
- Chapter 2 – Nutrition in Animals
- Chapter 3 – Fibre to Fabric
- Chapter 4 – Heat
- Chapter 5 – Acids, Bases and Salts
- Chapter 6 – Physical and Chemical Changes
- Chapter 7 – Weather, Climate and Adaptations of Animals to Climate
- Chapter 8 – Winds, Storms and Cyclones
- Chapter 9 – Soil
- Chapter 10 – Respiration in Organisms
- Chapter 11 – Transportation in Animals and Plants
- Chapter 12 – Reproduction in Plants
- Chapter 13 – Motion and Time
- Chapter 14 – Electric Current and its Effects
- Chapter 15 – Light
- Chapter 16 – Water: A Precious Resource
- Chapter 17 – Forests: Our Lifeline
- Chapter 18 – Wastewater Story
NCERT Solutions for Class 7:
21 Comments
Not bad
Good
Bad
RUDRA JRK PANDA GOOD
Search for:
Search …
NCERT SOLUTIONS (6-12)NCERT SOLUTIONS (1-5)ONLINE TUTIONBLOGVIDEOS
NCERT Solutions for Class 7 Science Chapter 3 – Fibre to Fabric
Home
Class 7
Science
Chapter 3 – Fibre to Fabric
Page No 32:
Question 1:
You must be familiar with the following nursery rhymes:
(i) ‘Baa baa black sheep, have you any wool.’
(ii) ‘Mary had a little lamb, whose fleece was white as snow.’
Answer the following:
(a) Which parts of the black sheep have wool?
(b) What is meant by the white fleece of the lamb?
Answer:
(a) Wool is obtained from the hairy fibres (hair) of the sheep.
(b) White fleece of the lamb refers to the white coloured hair of the lamb.
Question 2:
The silkworm is (a) a caterpillar, (b) a larva. Choose the correct option.
(i) a (ii) b (iii) both a and b (iv) neither a nor b
Answer:
(iii) both a and b
Question 3:
Which of the following does not yield wool?
(i) Yak (ii) Camel (iii) Goat (iv) Woolly dog
Answer:
(iv)Woolly dog
Question 4:
What is meant by the following terms?
(i) Rearing (ii) Shearing (iii) Sericulture
Answer:
(i) Rearing: Rearing means helping someone to grow up.
(ii) Shearing: It is the process of removal of fleece along with a thin layer of skin from the body of sheep.
(ii) Sericulture: Sericulture refers to the rearing of silkworms to obtain silk.
Question 5:
Given below is a sequence of steps in the processing of wool. Which are the missing steps? Add them.
Shearing, __________, sorting, __________, __________, __________
Answer:
Shearing, __scouring__, sorting, __picking of burrs__, __dying of fibres__, making of yarn__
Question 6:
Make sketches of the two stages in the life history of the silk moth which are directly related to the production of silk.
Answer:
The two stages in the life history of silk moth directly related to silk production are
Question 7:
Out of the following, which are the two terms related to silk production?
Sericulture, floriculture, moriculture, apiculture and silviculture
Hints: (i) Silk production involves cultivation of mulberry leaves and rearing silkworms.
(ii) Scientific name of mulberry is Morus alba.
Answer:
Sericulture and moriculture
Question 8:
Match the words of Column I with those given in Column II:
Column I
Column II
(i) Scouring (a) Yields silk fibres
(ii) Mulberry leaves (b) Wool yielding animal
(iii) Yak (c) Food of silk worm
(iv) Cocoon (d) Reeling
(e) Cleaning sheared skin
Answer:
Column I
Column II
(i) Scouring (e) Cleaning sheared skin
(ii) Mulberry leaves (c) Food of silk worm
(iii) Yak (b) Wool yielding animal
(iv) Cocoon (a) Yields silk fibres
Page No 33:
Question 9:
Given below is a crossword puzzle based on this lesson. Use hints to fill in the blank spaces with letters that complete the words.
Down Across
(D) 1: Thorough washing (A) 1: Keeps warm
2: Animal fibre 2: Its leaves are eaten by silkworms
3: Long thread like structure 3: Hatches from egg of moth
Answer:
NCERT Solutions for Class 7 Science Chapters
Chapter 1 – Nutrition in Plants
Chapter 2 – Nutrition in Animals
Chapter 3 – Fibre to Fabric
Chapter 4 – Heat
Chapter 5 – Acids, Bases and Salts
Chapter 6 – Physical and Chemical Changes
Chapter 7 – Weather, Climate and Adaptations of Animals to Climate
Chapter 8 – Winds, Storms and Cyclones
Chapter 9 – Soil
Chapter 10 – Respiration in Organisms
Chapter 11 – Transportation in Animals and Plants
Chapter 12 – Reproduction in Plants
Chapter 13 – Motion and Time
Chapter 14 – Electric Current and its Effects
Chapter 15 – Light
Chapter 16 – Water: A Precious Resource
Chapter 17 – Forests: Our Lifeline
Chapter 18 – Wastewater Story
NCERT Solutions for Class 7:
NCERT Solutions for Class 7 Math
NCERT Solutions for Class 7 Science
NCERT Solutions for Class 7 Social Science
NCERT Solutions for Class 7 English
NCERT Solutions for Class 7 Hindi
NCERT Solutions for Class 7 Sanskrit
4 Comments
R Ghosh says:
May 12, 2018 at 4:44 pm
Not bad
R Ghosh says:
May 12, 2018 at 4:44 pm
Good
Rh Ghosh says:
May 12, 2018 at 4:48 pm
Bad
Anonymous says:
May 14, 2018 at 10:54 am
RUDRA JRK PANDA GOOD
Leave a Reply
Your email address will not be published.
Comment
Name
CLASS 12
NCERT Solutions for Class 12
NCERT Solutions for Class 12 Physics
NCERT Solutions for Class 12 Chemistry
NCERT Solutions for Class 12 Math
NCERT Solutions for Class 12 Biology
NCERT Solutions for Class 12 Economics
NCERT Solutions for Class 12 English
CLASS 11
NCERT Solutions for Class 11
NCERT Solutions for Class 11 Physics
NCERT Solutions for Class 11 Chemistry
NCERT Solutions for Class 11 Math
NCERT Solutions for Class 11 Biology
NCERT Solutions for Class 11 Economics
NCERT Solutions for Class 11 English
CLASS 10
NCERT Solutions for Class 10
NCERT Solutions for Class 10 Math
NCERT Solutions for Class 10 Science
NCERT Solutions for Class 10 English
NCERT Solutions for Class 10 Social Science
NCERT Solutions for Class 10 Hindi
CLASS 9
NCERT Solutions for Class 9
NCERT Solution for Class 9 Math
NCERT Solutions for Class 9 Science
NCERT Solutions for Class 9 English
NCERT Solutions for Class 9 Social Science
NCERT Solutions for Class 9 Hindi
CLASS 8
NCERT Solutions for Class 8
NCERT Solutions for Class 8 Math
NCERT Solutions for Class 8 Science
NCERT Solutions for Class 8 English
NCERT Solutions for Class 8 Social Science
NCERT Solutions for Class 8 Hindi
NCERT Solutions for Class 8 Sanskrit
CLASS 7
NCERT Solutions for Class 7
NCERT Solutions for Class 7 Math
NCERT Solutions for Class 7 Science
NCERT Solutions for Class 7 English
NCERT Solutions for Class 7 Social Science
NCERT Solutions for Class 7 Hindi
NCERT Solutions for Class 7 Sanskrit
CLASS 6
NCERT Solutions for Class 6
NCERT Solutions for Class 6 Math
NCERT Solutions for Class 6 Science
NCERT Solutions for Class 6 English
NCERT Solutions for Class 6 Social Science
NCERT Solutions for Class 6 Hindi
NCERT Solutions for Class 6 Sanskrit
CLASS 5
NCERT Solutions for Class 5
NCERT Solutions for Class 5 Math
NCERT Solutions for Class 5 English
NCERT Solutions for Class 5 Hindi
NCERT Solutions for Class 5 EVS
NCERT Solutions for Class 5 French
CLASS 4
NCERT Solutions for Class 4
NCERT Solutions for Class 4 Math
NCERT Solutions for Class 4 English
NCERT Solutions for Class 4 Hindi
NCERT Solutions for Class 4 EVS
NCERT Solutions for Class 4 French
CLASS 3
NCERT Solutions for Class 3
NCERT Solutions for Class 3 Math
NCERT Solutions for Class 3 English
NCERT Solutions for Class 3 Hindi
NCERT Solutions for Class 3 EVS
CLASS 2
NCERT Solutions for Class 2
NCERT Solutions for Class 2 Math
NCERT Solutions for Class 2 English
NCERT Solutions for Class 2 Hindi
CLASS 1
NCERT Solutions for Class 1
NCERT Solutions for Class 1 Math
NCERT Solutions for Class 1 English
NCERT Solutions for Class 1 Hindi
NCERT Solutions (6-12)NCERT Solutions (1-5)Online TutionBlogVideos
© 2018 NCERT Solutions
Search for:
Search …
NCERT SOLUTIONS (6-12)NCERT SOLUTIONS (1-5)ONLINE TUTIONBLOGVIDEOS
NCERT Solutions for Class 7 Science Chapter 3 – Fibre to Fabric
Home
Class 7
Science
Chapter 3 – Fibre to Fabric
Page No 32:
Question 1:
You must be familiar with the following nursery rhymes:
(i) ‘Baa baa black sheep, have you any wool.’
(ii) ‘Mary had a little lamb, whose fleece was white as snow.’
Answer the following:
(a) Which parts of the black sheep have wool?
(b) What is meant by the white fleece of the lamb?
Answer:
(a) Wool is obtained from the hairy fibres (hair) of the sheep.
(b) White fleece of the lamb refers to the white coloured hair of the lamb.
Question 2:
The silkworm is (a) a caterpillar, (b) a larva. Choose the correct option.
(i) a (ii) b (iii) both a and b (iv) neither a nor b
Answer:
(iii) both a and b
Question 3:
Which of the following does not yield wool?
(i) Yak (ii) Camel (iii) Goat (iv) Woolly dog
Answer:
(iv)Woolly dog
Question 4:
What is meant by the following terms?
(i) Rearing (ii) Shearing (iii) Sericulture
Answer:
(i) Rearing: Rearing means helping someone to grow up.
(ii) Shearing: It is the process of removal of fleece along with a thin layer of skin from the body of sheep.
(ii) Sericulture: Sericulture refers to the rearing of silkworms to obtain silk.
Question 5:
Given below is a sequence of steps in the processing of wool. Which are the missing steps? Add them.
Shearing, __________, sorting, __________, __________, __________
Answer:
Shearing, __scouring__, sorting, __picking of burrs__, __dying of fibres__, making of yarn__
Question 6:
Make sketches of the two stages in the life history of the silk moth which are directly related to the production of silk.
Answer:
The two stages in the life history of silk moth directly related to silk production are
Question 7:
Out of the following, which are the two terms related to silk production?
Sericulture, floriculture, moriculture, apiculture and silviculture
Hints: (i) Silk production involves cultivation of mulberry leaves and rearing silkworms.
(ii) Scientific name of mulberry is Morus alba.
Answer:
Sericulture and moriculture
Question 8:
Match the words of Column I with those given in Column II:
Column I
Column II
(i) Scouring (a) Yields silk fibres
(ii) Mulberry leaves (b) Wool yielding animal
(iii) Yak (c) Food of silk worm
(iv) Cocoon (d) Reeling
(e) Cleaning sheared skin
Answer:
Column I
Column II
(i) Scouring (e) Cleaning sheared skin
(ii) Mulberry leaves (c) Food of silk worm
(iii) Yak (b) Wool yielding animal
(iv) Cocoon (a) Yields silk fibres
Page No 33:
Question 9:
Given below is a crossword puzzle based on this lesson. Use hints to fill in the blank spaces with letters that complete the words.
Down Across
(D) 1: Thorough washing (A) 1: Keeps warm
2: Animal fibre 2: Its leaves are eaten by silkworms
3: Long thread like structure 3: Hatches from egg of moth
Answer:
NCERT Solutions for Class 7 Science Chapters
Chapter 1 – Nutrition in Plants
Chapter 2 – Nutrition in Animals
Chapter 3 – Fibre to Fabric
Chapter 4 – Heat
Chapter 5 – Acids, Bases and Salts
Chapter 6 – Physical and Chemical Changes
Chapter 7 – Weather, Climate and Adaptations of Animals to Climate
Chapter 8 – Winds, Storms and Cyclones
Chapter 9 – Soil
Chapter 10 – Respiration in Organisms
Chapter 11 – Transportation in Animals and Plants
Chapter 12 – Reproduction in Plants
Chapter 13 – Motion and Time
Chapter 14 – Electric Current and its Effects
Chapter 15 – Light
Chapter 16 – Water: A Precious Resource
Chapter 17 – Forests: Our Lifeline
Chapter 18 – Wastewater Story
NCERT Solutions for Class 7:
NCERT Solutions for Class 7 Math
NCERT Solutions for Class 7 Science
NCERT Solutions for Class 7 Social Science
NCERT Solutions for Class 7 English
NCERT Solutions for Class 7 Hindi
NCERT Solutions for Class 7 Sanskrit
5 Comments
R Ghosh says:
May 12, 2018 at 4:44 pm
Not bad
R Ghosh says:
May 12, 2018 at 4:44 pm
Good
Rh Ghosh says:
May 12, 2018 at 4:48 pm
Bad
Anonymous says:
May 14, 2018 at 10:54 am
RUDRA JRK PANDA GOOD
Aheyukuts says:
May 6, 2020 at 8:06 pm
Search for:
Search …
NCERT SOLUTIONS (6-12)NCERT SOLUTIONS (1-5)ONLINE TUTIONBLOGVIDEOS
NCERT Solutions for Class 7 Science Chapter 3 – Fibre to Fabric
Home
Class 7
Science
Chapter 3 – Fibre to Fabric
Page No 32:
Question 1:
You must be familiar with the following nursery rhymes:
(i) ‘Baa baa black sheep, have you any wool.’
(ii) ‘Mary had a little lamb, whose fleece was white as snow.’
Answer the following:
(a) Which parts of the black sheep have wool?
(b) What is meant by the white fleece of the lamb?
Answer:
(a) Wool is obtained from the hairy fibres (hair) of the sheep.
(b) White fleece of the lamb refers to the white coloured hair of the lamb.
Question 2:
The silkworm is (a) a caterpillar, (b) a larva. Choose the correct option.
(i) a (ii) b (iii) both a and b (iv) neither a nor b
Answer:
(iii) both a and b
Question 3:
Which of the following does not yield wool?
(i) Yak (ii) Camel (iii) Goat (iv) Woolly dog
Answer:
(iv)Woolly dog
Question 4:
What is meant by the following terms?
(i) Rearing (ii) Shearing (iii) Sericulture
Answer:
(i) Rearing: Rearing means helping someone to grow up.
(ii) Shearing: It is the process of removal of fleece along with a thin layer of skin from the body of sheep.
(ii) Sericulture: Sericulture refers to the rearing of silkworms to obtain silk.
Question 5:
Given below is a sequence of steps in the processing of wool. Which are the missing steps? Add them.
Shearing, __________, sorting, __________, __________, __________
Answer:
Shearing, __scouring__, sorting, __picking of burrs__, __dying of fibres__, making of yarn__
Question 6:
Make sketches of the two stages in the life history of the silk moth which are directly related to the production of silk.
Answer:
The two stages in the life history of silk moth directly related to silk production are
Question 7:
Out of the following, which are the two terms related to silk production?
Sericulture, floriculture, moriculture, apiculture and silviculture
Hints: (i) Silk production involves cultivation of mulberry leaves and rearing silkworms.
(ii) Scientific name of mulberry is Morus alba.
Answer:
Sericulture and moriculture
Question 8:
Match the words of Column I with those given in Column II:
Column I
Column II
(i) Scouring (a) Yields silk fibres
(ii) Mulberry leaves (b) Wool yielding animal
(iii) Yak (c) Food of silk worm
(iv) Cocoon (d) Reeling
(e) Cleaning sheared skin
Answer:
Column I
Column II
(i) Scouring (e) Cleaning sheared skin
(ii) Mulberry leaves (c) Food of silk worm
(iii) Yak (b) Wool yielding animal
(iv) Cocoon (a) Yields silk fibres
Page No 33:
Question 9:
Given below is a crossword puzzle based on this lesson. Use hints to fill in the blank spaces with letters that complete the words.
Down Across
(D) 1: Thorough washing (A) 1: Keeps warm
2: Animal fibre 2: Its leaves are eaten by silkworms
3: Long thread like structure 3: Hatches from egg of moth
Answer:
NCERT Solutions for Class 7 Science Chapters
Chapter 1 – Nutrition in Plants
Chapter 2 – Nutrition in Animals
Chapter 3 – Fibre to Fabric
Chapter 4 – Heat
Chapter 5 – Acids, Bases and Salts
Chapter 6 – Physical and Chemical Changes
Chapter 7 – Weather, Climate and Adaptations of Animals to Climate
Chapter 8 – Winds, Storms and Cyclones
Chapter 9 – Soil
Chapter 10 – Respiration in Organisms
Chapter 11 – Transportation in Animals and Plants
Chapter 12 – Reproduction in Plants
Chapter 13 – Motion and Time
Chapter 14 – Electric Current and its Effects
Chapter 15 – Light
Chapter 16 – Water: A Precious Resource
Chapter 17 – Forests: Our Lifeline
Chapter 18 – Wastewater Story
NCERT Solutions for Class 7:
NCERT Solutions for Class 7 Math
NCERT Solutions for Class 7 Science
NCERT Solutions for Class 7 Social Science
NCERT Solutions for Class 7 English
NCERT Solutions for Class 7 Hindi
NCERT Solutions for Class 7 Sanskrit
4 Comments
R Ghosh says:
May 12, 2018 at 4:44 pm
Not bad
R Ghosh says:
May 12, 2018 at 4:44 pm
Good
Rh Ghosh says:
May 12, 2018 at 4:48 pm
Bad
Anonymous says:
May 14, 2018 at 10:54 am
RUDRA JRK PANDA GOOD
Leave a Reply
Your email address will not be published.
Comment
Name
CLASS 12
NCERT Solutions for Class 12
NCERT Solutions for Class 12 Physics
NCERT Solutions for Class 12 Chemistry
NCERT Solutions for Class 12 Math
NCERT Solutions for Class 12 Biology
NCERT Solutions for Class 12 Economics
NCERT Solutions for Class 12 English
CLASS 11
NCERT Solutions for Class 11
NCERT Solutions for Class 11 Physics
NCERT Solutions for Class 11 Chemistry
NCERT Solutions for Class 11 Math
NCERT Solutions for Class 11 Biology
NCERT Solutions for Class 11 Economics
NCERT Solutions for Class 11 English
CLASS 10
NCERT Solutions for Class 10
NCERT Solutions for Class 10 Math
NCERT Solutions for Class 10 Science
NCERT Solutions for Class 10 English
NCERT Solutions for Class 10 Social Science
NCERT Solutions for Class 10 Hindi
CLASS 9
NCERT Solutions for Class 9
NCERT Solution for Class 9 Math
NCERT Solutions for Class 9 Science
NCERT Solutions for Class 9 English
NCERT Solutions for Class 9 Social Science
NCERT Solutions for Class 9 Hindi
CLASS 8
NCERT Solutions for Class 8
NCERT Solutions for Class 8 Math
NCERT Solutions for Class 8 Science
NCERT Solutions for Class 8 English
NCERT Solutions for Class 8 Social Science
NCERT Solutions for Class 8 Hindi
NCERT Solutions for Class 8 Sanskrit
CLASS 7
NCERT Solutions for Class 7
NCERT Solutions for Class 7 Math
NCERT Solutions for Class 7 Science
NCERT Solutions for Class 7 English
NCERT Solutions for Class 7 Social Science
NCERT Solutions for Class 7 Hindi
NCERT Solutions for Class 7 Sanskrit
CLASS 6
NCERT Solutions for Class 6
NCERT Solutions for Class 6 Math
NCERT Solutions for Class 6 Science
NCERT Solutions for Class 6 English
NCERT Solutions for Class 6 Social Science
NCERT Solutions for Class 6 Hindi
NCERT Solutions for Class 6 Sanskrit
CLASS 5
NCERT Solutions for Class 5
NCERT Solutions for Class 5 Math
NCERT Solutions for Class 5 English
NCERT Solutions for Class 5 Hindi
NCERT Solutions for Class 5 EVS
NCERT Solutions for Class 5 French
CLASS 4
NCERT Solutions for Class 4
NCERT Solutions for Class 4 Math
NCERT Solutions for Class 4 English
NCERT Solutions for Class 4 Hindi
NCERT Solutions for Class 4 EVS
NCERT Solutions for Class 4 French
CLASS 3
NCERT Solutions for Class 3
NCERT Solutions for Class 3 Math
NCERT Solutions for Class 3 English
NCERT Solutions for Class 3 Hindi
NCERT Solutions for Class 3 EVS
CLASS 2
NCERT Solutions for Class 2
NCERT Solutions for Class 2 Math
NCERT Solutions for Class 2 English
NCERT Solutions for Class 2 Hindi
CLASS 1
NCERT Solutions for Class 1
NCERT Solutions for Class 1 Math
NCERT Solutions for Class 1 English
NCERT Solutions for Class 1 Hindi
NCERT Solutions (6-12)NCERT Solutions (1-5)Online TutionBlogVideos
© 2018 NCERT Solutions
Leave a Reply
Your email address will not be published.
Comment
Name
CLASS 12
NCERT Solutions for Class 12
NCERT Solutions for Class 12 Physics
NCERT Solutions for Class 12 Chemistry
NCERT Solutions for Class 12 Math
NCERT Solutions for Class 12 Biology
NCERT Solutions for Class 12 Economics
NCERT Solutions for Class 12 English
CLASS 11
NCERT Solutions for Class 11
NCERT Solutions for Class 11 Physics
NCERT Solutions for Class 11 Chemistry
NCERT Solutions for Class 11 Math
NCERT Solutions for Class 11 Biology
NCERT Solutions for Class 11 Economics
NCERT Solutions for Class 11 English
CLASS 10
NCERT Solutions for Class 10
NCERT Solutions for Class 10 Math
NCERT Solutions for Class 10 Science
NCERT Solutions for Class 10 English
NCERT Solutions for Class 10 Social Science
NCERT Solutions for Class 10 Hindi
CLASS 9
NCERT Solutions for Class 9
NCERT Solution for Class 9 Math
NCERT Solutions for Class 9 Science
NCERT Solutions for Class 9 English
NCERT Solutions for Class 9 Social Science
NCERT Solutions for Class 9 Hindi
CLASS 8
NCERT Solutions for Class 8
NCERT Solutions for Class 8 Math
NCERT Solutions for Class 8 Science
NCERT Solutions for Class 8 English
NCERT Solutions for Class 8 Social Science
NCERT Solutions for Class 8 Hindi
NCERT Solutions for Class 8 Sanskrit
CLASS 7
NCERT Solutions for Class 7
NCERT Solutions for Class 7 Math
NCERT Solutions for Class 7 Science
NCERT Solutions for Class 7 English
NCERT Solutions for Class 7 Social Science
NCERT Solutions for Class 7 Hindi
NCERT Solutions for Class 7 Sanskrit
CLASS 6
NCERT Solutions for Class 6
NCERT Solutions for Class 6 Math
NCERT Solutions for Class 6 Science
NCERT Solutions for Class 6 English
NCERT Solutions for Class 6 Social Science
NCERT Solutions for Class 6 Hindi
NCERT Solutions for Class 6 Sanskrit
CLASS 5
NCERT Solutions for Class 5
NCERT Solutions for Class 5 Math
NCERT Solutions for Class 5 English
NCERT Solutions for Class 5 Hindi
NCERT Solutions for Class 5 EVS
NCERT Solutions for Class 5 French
CLASS 4
NCERT Solutions for Class 4
NCERT Solutions for Class 4 Math
NCERT Solutions for Class 4 English
NCERT Solutions for Class 4 Hindi
NCERT Solutions for Class 4 EVS
NCERT Solutions for Class 4 French
CLASS 3
NCERT Solutions for Class 3
NCERT Solutions for Class 3 Math
NCERT Solutions for Class 3 English
NCERT Solutions for Class 3 Hindi
NCERT Solutions for Class 3 EVS
CLASS 2
NCERT Solutions for Class 2
NCERT Solutions for Class 2 Math
NCERT Solutions for Class 2 English
NCERT Solutions for Class 2 Hindi
CLASS 1
NCERT Solutions for Class 1
NCERT Solutions for Class 1 Math
NCERT Solutions for Class 1 English
NCERT Solutions for Class 1 Hindi
NCERT Solutions (6-12)NCERT Solutions (1-5)Online TutionBlogVideos
© 2020 NCERT Solutions
Search for:
Search …
NCERT SOLUTIONS (6-12)NCERT SOLUTIONS (1-5)ONLINE TUTIONBLOGVIDEOS
NCERT Solutions for Class 7 Science Chapter 3 – Fibre to Fabric
Home
Class 7
Science
Chapter 3 – Fibre to Fabric
Page No 32:
Question 1:
You must be familiar with the following nursery rhymes:
(i) ‘Baa baa black sheep, have you any wool.’
(ii) ‘Mary had a little lamb, whose fleece was white as snow.’
Answer the following:
(a) Which parts of the black sheep have wool?
(b) What is meant by the white fleece of the lamb?
Answer:
(a) Wool is obtained from the hairy fibres (hair) of the sheep.
(b) White fleece of the lamb refers to the white coloured hair of the lamb.
Question 2:
The silkworm is (a) a caterpillar, (b) a larva. Choose the correct option.
(i) a (ii) b (iii) both a and b (iv) neither a nor b
Answer:
(iii) both a and b
Question 3:
Which of the following does not yield wool?
(i) Yak (ii) Camel (iii) Goat (iv) Woolly dog
Answer:
(iv)Woolly dog
Question 4:
What is meant by the following terms?
(i) Rearing (ii) Shearing (iii) Sericulture
Answer:
(i) Rearing: Rearing means helping someone to grow up.
(ii) Shearing: It is the process of removal of fleece along with a thin layer of skin from the body of sheep.
(ii) Sericulture: Sericulture refers to the rearing of silkworms to obtain silk.
Question 5:
Given below is a sequence of steps in the processing of wool. Which are the missing steps? Add them.
Shearing, __________, sorting, __________, __________, __________
Answer:
Shearing, __scouring__, sorting, __picking of burrs__, __dying of fibres__, making of yarn__
Question 6:
Make sketches of the two stages in the life history of the silk moth which are directly related to the production of silk.
Answer:
The two stages in the life history of silk moth directly related to silk production are
Question 7:
Out of the following, which are the two terms related to silk production?
Sericulture, floriculture, moriculture, apiculture and silviculture
Hints: (i) Silk production involves cultivation of mulberry leaves and rearing silkworms.
(ii) Scientific name of mulberry is Morus alba.
Answer:
Sericulture and moriculture
Question 8:
Match the words of Column I with those given in Column II:
Column I
Column II
(i) Scouring (a) Yields silk fibres
(ii) Mulberry leaves (b) Wool yielding animal
(iii) Yak (c) Food of silk worm
(iv) Cocoon (d) Reeling
(e) Cleaning sheared skin
Answer:
Column I
Column II
(i) Scouring (e) Cleaning sheared skin
(ii) Mulberry leaves (c) Food of silk worm
(iii) Yak (b) Wool yielding animal
(iv) Cocoon (a) Yields silk fibres
Page No 33:
Question 9:
Given below is a crossword puzzle based on this lesson. Use hints to fill in the blank spaces with letters that complete the words.
Down Across
(D) 1: Thorough washing (A) 1: Keeps warm
2: Animal fibre 2: Its leaves are eaten by silkworms
3: Long thread like structure 3: Hatches from egg of moth
Answer:
NCERT Solutions for Class 7 Science Chapters
Chapter 1 – Nutrition in Plants
Chapter 2 – Nutrition in Animals
Chapter 3 – Fibre to Fabric
Chapter 4 – Heat
Chapter 5 – Acids, Bases and Salts
Chapter 6 – Physical and Chemical Changes
Chapter 7 – Weather, Climate and Adaptations of Animals to Climate
Chapter 8 – Winds, Storms and Cyclones
Chapter 9 – Soil
Chapter 10 – Respiration in Organisms
Chapter 11 – Transportation in Animals and Plants
Chapter 12 – Reproduction in Plants
Chapter 13 – Motion and Time
Chapter 14 – Electric Current and its Effects
Chapter 15 – Light
Chapter 16 – Water: A Precious Resource
Chapter 17 – Forests: Our Lifeline
Chapter 18 – Wastewater Story
NCERT Solutions for Class 7:
NCERT Solutions for Class 7 Math
NCERT Solutions for Class 7 Science
NCERT Solutions for Class 7 Social Science
NCERT Solutions for Class 7 English
NCERT Solutions for Class 7 Hindi
NCERT Solutions for Class 7 Sanskrit
6 Comments
R Ghosh says:
May 12, 2018 at 4:44 pm
Not bad
R Ghosh says:
May 12, 2018 at 4:44 pm
Good
Rh Ghosh says:
May 12, 2018 at 4:48 pm
Bad
Anonymous says:
May 14, 2018 at 10:54 am
RUDRA JRK PANDA GOOD
Aheyukuts says:
May 6, 2020 at 8:06 pm
Search for:
Search …
NCERT SOLUTIONS (6-12)NCERT SOLUTIONS (1-5)ONLINE TUTIONBLOGVIDEOS
NCERT Solutions for Class 7 Science Chapter 3 – Fibre to Fabric
Home
Class 7
Science
Chapter 3 – Fibre to Fabric
Page No 32:
Question 1:
You must be familiar with the following nursery rhymes:
(i) ‘Baa baa black sheep, have you any wool.’
(ii) ‘Mary had a little lamb, whose fleece was white as snow.’
Answer the following:
(a) Which parts of the black sheep have wool?
(b) What is meant by the white fleece of the lamb?
Answer:
(a) Wool is obtained from the hairy fibres (hair) of the sheep.
(b) White fleece of the lamb refers to the white coloured hair of the lamb.
Question 2:
The silkworm is (a) a caterpillar, (b) a larva. Choose the correct option.
(i) a (ii) b (iii) both a and b (iv) neither a nor b
Answer:
(iii) both a and b
Question 3:
Which of the following does not yield wool?
(i) Yak (ii) Camel (iii) Goat (iv) Woolly dog
Answer:
(iv)Woolly dog
Question 4:
What is meant by the following terms?
(i) Rearing (ii) Shearing (iii) Sericulture
Answer:
(i) Rearing: Rearing means helping someone to grow up.
(ii) Shearing: It is the process of removal of fleece along with a thin layer of skin from the body of sheep.
(ii) Sericulture: Sericulture refers to the rearing of silkworms to obtain silk.
Question 5:
Given below is a sequence of steps in the processing of wool. Which are the missing steps? Add them.
Shearing, __________, sorting, __________, __________, __________
Answer:
Shearing, __scouring__, sorting, __picking of burrs__, __dying of fibres__, making of yarn__
Question 6:
Make sketches of the two stages in the life history of the silk moth which are directly related to the production of silk.
Answer:
The two stages in the life history of silk moth directly related to silk production are
Question 7:
Out of the following, which are the two terms related to silk production?
Sericulture, floriculture, moriculture, apiculture and silviculture
Hints: (i) Silk production involves cultivation of mulberry leaves and rearing silkworms.
(ii) Scientific name of mulberry is Morus alba.
Answer:
Sericulture and moriculture
Question 8:
Match the words of Column I with those given in Column II:
Column I
Column II
(i) Scouring (a) Yields silk fibres
(ii) Mulberry leaves (b) Wool yielding animal
(iii) Yak (c) Food of silk worm
(iv) Cocoon (d) Reeling
(e) Cleaning sheared skin
Answer:
Column I
Column II
(i) Scouring (e) Cleaning sheared skin
(ii) Mulberry leaves (c) Food of silk worm
(iii) Yak (b) Wool yielding animal
(iv) Cocoon (a) Yields silk fibres
Page No 33:
Question 9:
Given below is a crossword puzzle based on this lesson. Use hints to fill in the blank spaces with letters that complete the words.
Down Across
(D) 1: Thorough washing (A) 1: Keeps warm
2: Animal fibre 2: Its leaves are eaten by silkworms
3: Long thread like structure 3: Hatches from egg of moth
Answer:
NCERT Solutions for Class 7 Science Chapters
Chapter 1 – Nutrition in Plants
Chapter 2 – Nutrition in Animals
Chapter 3 – Fibre to Fabric
Chapter 4 – Heat
Chapter 5 – Acids, Bases and Salts
Chapter 6 – Physical and Chemical Changes
Chapter 7 – Weather, Climate and Adaptations of Animals to Climate
Chapter 8 – Winds, Storms and Cyclones
Chapter 9 – Soil
Chapter 10 – Respiration in Organisms
Chapter 11 – Transportation in Animals and Plants
Chapter 12 – Reproduction in Plants
Chapter 13 – Motion and Time
Chapter 14 – Electric Current and its Effects
Chapter 15 – Light
Chapter 16 – Water: A Precious Resource
Chapter 17 – Forests: Our Lifeline
Chapter 18 – Wastewater Story
NCERT Solutions for Class 7:
NCERT Solutions for Class 7 Math
NCERT Solutions for Class 7 Science
NCERT Solutions for Class 7 Social Science
NCERT Solutions for Class 7 English
NCERT Solutions for Class 7 Hindi
NCERT Solutions for Class 7 Sanskrit
4 Comments
R Ghosh says:
May 12, 2018 at 4:44 pm
Not bad
R Ghosh says:
May 12, 2018 at 4:44 pm
Good
Rh Ghosh says:
May 12, 2018 at 4:48 pm
Bad
Anonymous says:
May 14, 2018 at 10:54 am
RUDRA JRK PANDA GOOD
Leave a Reply
Your email address will not be published.
Comment
Name
CLASS 12
NCERT Solutions for Class 12
NCERT Solutions for Class 12 Physics
NCERT Solutions for Class 12 Chemistry
NCERT Solutions for Class 12 Math
NCERT Solutions for Class 12 Biology
NCERT Solutions for Class 12 Economics
NCERT Solutions for Class 12 English
CLASS 11
NCERT Solutions for Class 11
NCERT Solutions for Class 11 Physics
NCERT Solutions for Class 11 Chemistry
NCERT Solutions for Class 11 Math
NCERT Solutions for Class 11 Biology
NCERT Solutions for Class 11 Economics
NCERT Solutions for Class 11 English
CLASS 10
NCERT Solutions for Class 10
NCERT Solutions for Class 10 Math
NCERT Solutions for Class 10 Science
NCERT Solutions for Class 10 English
NCERT Solutions for Class 10 Social Science
NCERT Solutions for Class 10 Hindi
CLASS 9
NCERT Solutions for Class 9
NCERT Solution for Class 9 Math
NCERT Solutions for Class 9 Science
NCERT Solutions for Class 9 English
NCERT Solutions for Class 9 Social Science
NCERT Solutions for Class 9 Hindi
CLASS 8
NCERT Solutions for Class 8
NCERT Solutions for Class 8 Math
NCERT Solutions for Class 8 Science
NCERT Solutions for Class 8 English
NCERT Solutions for Class 8 Social Science
NCERT Solutions for Class 8 Hindi
NCERT Solutions for Class 8 Sanskrit
CLASS 7
NCERT Solutions for Class 7
NCERT Solutions for Class 7 Math
NCERT Solutions for Class 7 Science
NCERT Solutions for Class 7 English
NCERT Solutions for Class 7 Social Science
NCERT Solutions for Class 7 Hindi
NCERT Solutions for Class 7 Sanskrit
CLASS 6
NCERT Solutions for Class 6
NCERT Solutions for Class 6 Math
NCERT Solutions for Class 6 Science
NCERT Solutions for Class 6 English
NCERT Solutions for Class 6 Social Science
NCERT Solutions for Class 6 Hindi
NCERT Solutions for Class 6 Sanskrit
CLASS 5
NCERT Solutions for Class 5
NCERT Solutions for Class 5 Math
NCERT Solutions for Class 5 English
NCERT Solutions for Class 5 Hindi
NCERT Solutions for Class 5 EVS
NCERT Solutions for Class 5 French
CLASS 4
NCERT Solutions for Class 4
NCERT Solutions for Class 4 Math
NCERT Solutions for Class 4 English
NCERT Solutions for Class 4 Hindi
NCERT Solutions for Class 4 EVS
NCERT Solutions for Class 4 French
CLASS 3
NCERT Solutions for Class 3
NCERT Solutions for Class 3 Math
NCERT Solutions for Class 3 English
NCERT Solutions for Class 3 Hindi
NCERT Solutions for Class 3 EVS
CLASS 2
NCERT Solutions for Class 2
NCERT Solutions for Class 2 Math
NCERT Solutions for Class 2 English
NCERT Solutions for Class 2 Hindi
CLASS 1
NCERT Solutions for Class 1
NCERT Solutions for Class 1 Math
NCERT Solutions for Class 1 English
NCERT Solutions for Class 1 Hindi
NCERT Solutions (6-12)NCERT Solutions (1-5)Online TutionBlogVideos
© 2018 NCERT Solutions
Svevfww says:
May 6, 2020 at 8:07 pm
Search for:
Search …
NCERT SOLUTIONS (6-12)NCERT SOLUTIONS (1-5)ONLINE TUTIONBLOGVIDEOS
NCERT Solutions for Class 7 Science Chapter 3 – Fibre to Fabric
Home
Class 7
Science
Chapter 3 – Fibre to Fabric
Page No 32:
Question 1:
You must be familiar with the following nursery rhymes:
(i) ‘Baa baa black sheep, have you any wool.’
(ii) ‘Mary had a little lamb, whose fleece was white as snow.’
Answer the following:
(a) Which parts of the black sheep have wool?
(b) What is meant by the white fleece of the lamb?
Answer:
(a) Wool is obtained from the hairy fibres (hair) of the sheep.
(b) White fleece of the lamb refers to the white coloured hair of the lamb.
Question 2:
The silkworm is (a) a caterpillar, (b) a larva. Choose the correct option.
(i) a (ii) b (iii) both a and b (iv) neither a nor b
Answer:
(iii) both a and b
Question 3:
Which of the following does not yield wool?
(i) Yak (ii) Camel (iii) Goat (iv) Woolly dog
Answer:
(iv)Woolly dog
Question 4:
What is meant by the following terms?
(i) Rearing (ii) Shearing (iii) Sericulture
Answer:
(i) Rearing: Rearing means helping someone to grow up.
(ii) Shearing: It is the process of removal of fleece along with a thin layer of skin from the body of sheep.
(ii) Sericulture: Sericulture refers to the rearing of silkworms to obtain silk.
Question 5:
Given below is a sequence of steps in the processing of wool. Which are the missing steps? Add them.
Shearing, __________, sorting, __________, __________, __________
Answer:
Shearing, __scouring__, sorting, __picking of burrs__, __dying of fibres__, making of yarn__
Question 6:
Make sketches of the two stages in the life history of the silk moth which are directly related to the production of silk.
Answer:
The two stages in the life history of silk moth directly related to silk production are
Question 7:
Out of the following, which are the two terms related to silk production?
Sericulture, floriculture, moriculture, apiculture and silviculture
Hints: (i) Silk production involves cultivation of mulberry leaves and rearing silkworms.
(ii) Scientific name of mulberry is Morus alba.
Answer:
Sericulture and moriculture
Question 8:
Match the words of Column I with those given in Column II:
Column I
Column II
(i) Scouring (a) Yields silk fibres
(ii) Mulberry leaves (b) Wool yielding animal
(iii) Yak (c) Food of silk worm
(iv) Cocoon (d) Reeling
(e) Cleaning sheared skin
Answer:
Column I
Column II
(i) Scouring (e) Cleaning sheared skin
(ii) Mulberry leaves (c) Food of silk worm
(iii) Yak (b) Wool yielding animal
(iv) Cocoon (a) Yields silk fibres
Page No 33:
Question 9:
Given below is a crossword puzzle based on this lesson. Use hints to fill in the blank spaces with letters that complete the words.
Down Across
(D) 1: Thorough washing (A) 1: Keeps warm
2: Animal fibre 2: Its leaves are eaten by silkworms
3: Long thread like structure 3: Hatches from egg of moth
Answer:
NCERT Solutions for Class 7 Science Chapters
Chapter 1 – Nutrition in Plants
Chapter 2 – Nutrition in Animals
Chapter 3 – Fibre to Fabric
Chapter 4 – Heat
Chapter 5 – Acids, Bases and Salts
Chapter 6 – Physical and Chemical Changes
Chapter 7 – Weather, Climate and Adaptations of Animals to Climate
Chapter 8 – Winds, Storms and Cyclones
Chapter 9 – Soil
Chapter 10 – Respiration in Organisms
Chapter 11 – Transportation in Animals and Plants
Chapter 12 – Reproduction in Plants
Chapter 13 – Motion and Time
Chapter 14 – Electric Current and its Effects
Chapter 15 – Light
Chapter 16 – Water: A Precious Resource
Chapter 17 – Forests: Our Lifeline
Chapter 18 – Wastewater Story
NCERT Solutions for Class 7:
NCERT Solutions for Class 7 Math
NCERT Solutions for Class 7 Science
NCERT Solutions for Class 7 Social Science
NCERT Solutions for Class 7 English
NCERT Solutions for Class 7 Hindi
NCERT Solutions for Class 7 Sanskrit
5 Comments
R Ghosh says:
May 12, 2018 at 4:44 pm
Not bad
R Ghosh says:
May 12, 2018 at 4:44 pm
Good
Rh Ghosh says:
May 12, 2018 at 4:48 pm
Bad
Anonymous says:
May 14, 2018 at 10:54 am
RUDRA JRK PANDA GOOD
Aheyukuts says:
May 6, 2020 at 8:06 pm
Search for:
Search …
NCERT SOLUTIONS (6-12)NCERT SOLUTIONS (1-5)ONLINE TUTIONBLOGVIDEOS
NCERT Solutions for Class 7 Science Chapter 3 – Fibre to Fabric
Home
Class 7
Science
Chapter 3 – Fibre to Fabric
Page No 32:
Question 1:
You must be familiar with the following nursery rhymes:
(i) ‘Baa baa black sheep, have you any wool.’
(ii) ‘Mary had a little lamb, whose fleece was white as snow.’
Answer the following:
(a) Which parts of the black sheep have wool?
(b) What is meant by the white fleece of the lamb?
Answer:
(a) Wool is obtained from the hairy fibres (hair) of the sheep.
(b) White fleece of the lamb refers to the white coloured hair of the lamb.
Question 2:
The silkworm is (a) a caterpillar, (b) a larva. Choose the correct option.
(i) a (ii) b (iii) both a and b (iv) neither a nor b
Answer:
(iii) both a and b
Question 3:
Which of the following does not yield wool?
(i) Yak (ii) Camel (iii) Goat (iv) Woolly dog
Answer:
(iv)Woolly dog
Question 4:
What is meant by the following terms?
(i) Rearing (ii) Shearing (iii) Sericulture
Answer:
(i) Rearing: Rearing means helping someone to grow up.
(ii) Shearing: It is the process of removal of fleece along with a thin layer of skin from the body of sheep.
(ii) Sericulture: Sericulture refers to the rearing of silkworms to obtain silk.
Question 5:
Given below is a sequence of steps in the processing of wool. Which are the missing steps? Add them.
Shearing, __________, sorting, __________, __________, __________
Answer:
Shearing, __scouring__, sorting, __picking of burrs__, __dying of fibres__, making of yarn__
Question 6:
Make sketches of the two stages in the life history of the silk moth which are directly related to the production of silk.
Answer:
The two stages in the life history of silk moth directly related to silk production are
Question 7:
Out of the following, which are the two terms related to silk production?
Sericulture, floriculture, moriculture, apiculture and silviculture
Hints: (i) Silk production involves cultivation of mulberry leaves and rearing silkworms.
(ii) Scientific name of mulberry is Morus alba.
Answer:
Sericulture and moriculture
Question 8:
Match the words of Column I with those given in Column II:
Column I
Column II
(i) Scouring (a) Yields silk fibres
(ii) Mulberry leaves (b) Wool yielding animal
(iii) Yak (c) Food of silk worm
(iv) Cocoon (d) Reeling
(e) Cleaning sheared skin
Answer:
Column I
Column II
(i) Scouring (e) Cleaning sheared skin
(ii) Mulberry leaves (c) Food of silk worm
(iii) Yak (b) Wool yielding animal
(iv) Cocoon (a) Yields silk fibres
Page No 33:
Question 9:
Given below is a crossword puzzle based on this lesson. Use hints to fill in the blank spaces with letters that complete the words.
Down Across
(D) 1: Thorough washing (A) 1: Keeps warm
2: Animal fibre 2: Its leaves are eaten by silkworms
3: Long thread like structure 3: Hatches from egg of moth
Answer:
NCERT Solutions for Class 7 Science Chapters
Chapter 1 – Nutrition in Plants
Chapter 2 – Nutrition in Animals
Chapter 3 – Fibre to Fabric
Chapter 4 – Heat
Chapter 5 – Acids, Bases and Salts
Chapter 6 – Physical and Chemical Changes
Chapter 7 – Weather, Climate and Adaptations of Animals to Climate
Chapter 8 – Winds, Storms and Cyclones
Chapter 9 – Soil
Chapter 10 – Respiration in Organisms
Chapter 11 – Transportation in Animals and Plants
Chapter 12 – Reproduction in Plants
Chapter 13 – Motion and Time
Chapter 14 – Electric Current and its Effects
Chapter 15 – Light
Chapter 16 – Water: A Precious Resource
Chapter 17 – Forests: Our Lifeline
Chapter 18 – Wastewater Story
NCERT Solutions for Class 7:
NCERT Solutions for Class 7 Math
NCERT Solutions for Class 7 Science
NCERT Solutions for Class 7 Social Science
NCERT Solutions for Class 7 English
NCERT Solutions for Class 7 Hindi
NCERT Solutions for Class 7 Sanskrit
4 Comments
R Ghosh says:
May 12, 2018 at 4:44 pm
Not bad
R Ghosh says:
May 12, 2018 at 4:44 pm
Good
Rh Ghosh says:
May 12, 2018 at 4:48 pm
Bad
Anonymous says:
May 14, 2018 at 10:54 am
RUDRA JRK PANDA GOOD
Leave a Reply
Your email address will not be published.
Comment
Name
CLASS 12
NCERT Solutions for Class 12
NCERT Solutions for Class 12 Physics
NCERT Solutions for Class 12 Chemistry
NCERT Solutions for Class 12 Math
NCERT Solutions for Class 12 Biology
NCERT Solutions for Class 12 Economics
NCERT Solutions for Class 12 English
CLASS 11
NCERT Solutions for Class 11
NCERT Solutions for Class 11 Physics
NCERT Solutions for Class 11 Chemistry
NCERT Solutions for Class 11 Math
NCERT Solutions for Class 11 Biology
NCERT Solutions for Class 11 Economics
NCERT Solutions for Class 11 English
CLASS 10
NCERT Solutions for Class 10
NCERT Solutions for Class 10 Math
NCERT Solutions for Class 10 Science
NCERT Solutions for Class 10 English
NCERT Solutions for Class 10 Social Science
NCERT Solutions for Class 10 Hindi
CLASS 9
NCERT Solutions for Class 9
NCERT Solution for Class 9 Math
NCERT Solutions for Class 9 Science
NCERT Solutions for Class 9 English
NCERT Solutions for Class 9 Social Science
NCERT Solutions for Class 9 Hindi
CLASS 8
NCERT Solutions for Class 8
NCERT Solutions for Class 8 Math
NCERT Solutions for Class 8 Science
NCERT Solutions for Class 8 English
NCERT Solutions for Class 8 Social Science
NCERT Solutions for Class 8 Hindi
NCERT Solutions for Class 8 Sanskrit
CLASS 7
NCERT Solutions for Class 7
NCERT Solutions for Class 7 Math
NCERT Solutions for Class 7 Science
NCERT Solutions for Class 7 English
NCERT Solutions for Class 7 Social Science
NCERT Solutions for Class 7 Hindi
NCERT Solutions for Class 7 Sanskrit
CLASS 6
NCERT Solutions for Class 6
NCERT Solutions for Class 6 Math
NCERT Solutions for Class 6 Science
NCERT Solutions for Class 6 English
NCERT Solutions for Class 6 Social Science
NCERT Solutions for Class 6 Hindi
NCERT Solutions for Class 6 Sanskrit
CLASS 5
NCERT Solutions for Class 5
NCERT Solutions for Class 5 Math
NCERT Solutions for Class 5 English
NCERT Solutions for Class 5 Hindi
NCERT Solutions for Class 5 EVS
NCERT Solutions for Class 5 French
CLASS 4
NCERT Solutions for Class 4
NCERT Solutions for Class 4 Math
NCERT Solutions for Class 4 English
NCERT Solutions for Class 4 Hindi
NCERT Solutions for Class 4 EVS
NCERT Solutions for Class 4 French
CLASS 3
NCERT Solutions for Class 3
NCERT Solutions for Class 3 Math
NCERT Solutions for Class 3 English
NCERT Solutions for Class 3 Hindi
NCERT Solutions for Class 3 EVS
CLASS 2
NCERT Solutions for Class 2
NCERT Solutions for Class 2 Math
NCERT Solutions for Class 2 English
NCERT Solutions for Class 2 Hindi
CLASS 1
NCERT Solutions for Class 1
NCERT Solutions for Class 1 Math
NCERT Solutions for Class 1 English
NCERT Solutions for Class 1 Hindi
NCERT Solutions (6-12)NCERT Solutions (1-5)Online TutionBlogVideos
© 2018 NCERT Solutions
Leave a Reply
Your email address will not be published.
Comment
Name
CLASS 12
NCERT Solutions for Class 12
NCERT Solutions for Class 12 Physics
NCERT Solutions for Class 12 Chemistry
NCERT Solutions for Class 12 Math
NCERT Solutions for Class 12 Biology
NCERT Solutions for Class 12 Economics
NCERT Solutions for Class 12 English
CLASS 11
NCERT Solutions for Class 11
NCERT Solutions for Class 11 Physics
NCERT Solutions for Class 11 Chemistry
NCERT Solutions for Class 11 Math
NCERT Solutions for Class 11 Biology
NCERT Solutions for Class 11 Economics
NCERT Solutions for Class 11 English
CLASS 10
NCERT Solutions for Class 10
NCERT Solutions for Class 10 Math
NCERT Solutions for Class 10 Science
NCERT Solutions for Class 10 English
NCERT Solutions for Class 10 Social Science
NCERT Solutions for Class 10 Hindi
CLASS 9
NCERT Solutions for Class 9
NCERT Solution for Class 9 Math
NCERT Solutions for Class 9 Science
NCERT Solutions for Class 9 English
NCERT Solutions for Class 9 Social Science
NCERT Solutions for Class 9 Hindi
CLASS 8
NCERT Solutions for Class 8
NCERT Solutions for Class 8 Math
NCERT Solutions for Class 8 Science
NCERT Solutions for Class 8 English
NCERT Solutions for Class 8 Social Science
NCERT Solutions for Class 8 Hindi
NCERT Solutions for Class 8 Sanskrit
CLASS 7
NCERT Solutions for Class 7
NCERT Solutions for Class 7 Math
NCERT Solutions for Class 7 Science
NCERT Solutions for Class 7 English
NCERT Solutions for Class 7 Social Science
NCERT Solutions for Class 7 Hindi
NCERT Solutions for Class 7 Sanskrit
CLASS 6
NCERT Solutions for Class 6
NCERT Solutions for Class 6 Math
NCERT Solutions for Class 6 Science
NCERT Solutions for Class 6 English
NCERT Solutions for Class 6 Social Science
NCERT Solutions for Class 6 Hindi
NCERT Solutions for Class 6 Sanskrit
CLASS 5
NCERT Solutions for Class 5
NCERT Solutions for Class 5 Math
NCERT Solutions for Class 5 English
NCERT Solutions for Class 5 Hindi
NCERT Solutions for Class 5 EVS
NCERT Solutions for Class 5 French
CLASS 4
NCERT Solutions for Class 4
NCERT Solutions for Class 4 Math
NCERT Solutions for Class 4 English
NCERT Solutions for Class 4 Hindi
NCERT Solutions for Class 4 EVS
NCERT Solutions for Class 4 French
CLASS 3
NCERT Solutions for Class 3
NCERT Solutions for Class 3 Math
NCERT Solutions for Class 3 English
NCERT Solutions for Class 3 Hindi
NCERT Solutions for Class 3 EVS
CLASS 2
NCERT Solutions for Class 2
NCERT Solutions for Class 2 Math
NCERT Solutions for Class 2 English
NCERT Solutions for Class 2 Hindi
CLASS 1
NCERT Solutions for Class 1
NCERT Solutions for Class 1 Math
NCERT Solutions for Class 1 English
NCERT Solutions for Class 1 Hindi
NCERT Solutions (6-12)NCERT Solutions (1-5)Online TutionBlogVideos
© 2020 NCERT Solutions
Leave a Reply
Your email address will not be published.
Comment
Name
CLASS 12
NCERT Solutions for Class 12
NCERT Solutions for Class 12 Physics
NCERT Solutions for Class 12 Chemistry
NCERT Solutions for Class 12 Math
NCERT Solutions for Class 12 Biology
NCERT Solutions for Class 12 Economics
NCERT Solutions for Class 12 English
CLASS 11
NCERT Solutions for Class 11
NCERT Solutions for Class 11 Physics
NCERT Solutions for Class 11 Chemistry
NCERT Solutions for Class 11 Math
NCERT Solutions for Class 11 Biology
NCERT Solutions for Class 11 Economics
NCERT Solutions for Class 11 English
CLASS 10
NCERT Solutions for Class 10
NCERT Solutions for Class 10 Math
NCERT Solutions for Class 10 Science
NCERT Solutions for Class 10 English
NCERT Solutions for Class 10 Social Science
NCERT Solutions for Class 10 Hindi
CLASS 9
NCERT Solutions for Class 9
NCERT Solution for Class 9 Math
NCERT Solutions for Class 9 Science
NCERT Solutions for Class 9 English
NCERT Solutions for Class 9 Social Science
NCERT Solutions for Class 9 Hindi
CLASS 8
NCERT Solutions for Class 8
NCERT Solutions for Class 8 Math
NCERT Solutions for Class 8 Science
NCERT Solutions for Class 8 English
NCERT Solutions for Class 8 Social Science
NCERT Solutions for Class 8 Hindi
NCERT Solutions for Class 8 Sanskrit
CLASS 7
NCERT Solutions for Class 7
NCERT Solutions for Class 7 Math
NCERT Solutions for Class 7 Science
NCERT Solutions for Class 7 English
NCERT Solutions for Class 7 Social Science
NCERT Solutions for Class 7 Hindi
NCERT Solutions for Class 7 Sanskrit
CLASS 6
NCERT Solutions for Class 6
NCERT Solutions for Class 6 Math
NCERT Solutions for Class 6 Science
NCERT Solutions for Class 6 English
NCERT Solutions for Class 6 Social Science
NCERT Solutions for Class 6 Hindi
NCERT Solutions for Class 6 Sanskrit
CLASS 5
NCERT Solutions for Class 5
NCERT Solutions for Class 5 Math
NCERT Solutions for Class 5 English
NCERT Solutions for Class 5 Hindi
NCERT Solutions for Class 5 EVS
NCERT Solutions for Class 5 French
CLASS 4
NCERT Solutions for Class 4
NCERT Solutions for Class 4 Math
NCERT Solutions for Class 4 English
NCERT Solutions for Class 4 Hindi
NCERT Solutions for Class 4 EVS
NCERT Solutions for Class 4 French
CLASS 3
NCERT Solutions for Class 3
NCERT Solutions for Class 3 Math
NCERT Solutions for Class 3 English
NCERT Solutions for Class 3 Hindi
NCERT Solutions for Class 3 EVS
CLASS 2
NCERT Solutions for Class 2
NCERT Solutions for Class 2 Math
NCERT Solutions for Class 2 English
NCERT Solutions for Class 2 Hindi
CLASS 1
NCERT Solutions for Class 1
NCERT Solutions for Class 1 Math
NCERT Solutions for Class 1 English
NCERT Solutions for Class 1 Hindi
NCERT Solutions (6-12)NCERT Solutions (1-5)Online TutionBlogVideos
© 2020 NCERT Solutions
Search for:
Search …
NCERT SOLUTIONS (6-12)NCERT SOLUTIONS (1-5)ONLINE TUTIONBLOGVIDEOS
NCERT Solutions for Class 7 Science Chapter 3 – Fibre to Fabric
Home
Class 7
Science
Chapter 3 – Fibre to Fabric
Page No 32:
Question 1:
You must be familiar with the following nursery rhymes:
(i) ‘Baa baa black sheep, have you any wool.’
(ii) ‘Mary had a little lamb, whose fleece was white as snow.’
Answer the following:
(a) Which parts of the black sheep have wool?
(b) What is meant by the white fleece of the lamb?
Answer:
(a) Wool is obtained from the hairy fibres (hair) of the sheep.
(b) White fleece of the lamb refers to the white coloured hair of the lamb.
Question 2:
The silkworm is (a) a caterpillar, (b) a larva. Choose the correct option.
(i) a (ii) b (iii) both a and b (iv) neither a nor b
Answer:
(iii) both a and b
Question 3:
Which of the following does not yield wool?
(i) Yak (ii) Camel (iii) Goat (iv) Woolly dog
Answer:
(iv)Woolly dog
Question 4:
What is meant by the following terms?
(i) Rearing (ii) Shearing (iii) Sericulture
Answer:
(i) Rearing: Rearing means helping someone to grow up.
(ii) Shearing: It is the process of removal of fleece along with a thin layer of skin from the body of sheep.
(ii) Sericulture: Sericulture refers to the rearing of silkworms to obtain silk.
Question 5:
Given below is a sequence of steps in the processing of wool. Which are the missing steps? Add them.
Shearing, __________, sorting, __________, __________, __________
Answer:
Shearing, __scouring__, sorting, __picking of burrs__, __dying of fibres__, making of yarn__
Question 6:
Make sketches of the two stages in the life history of the silk moth which are directly related to the production of silk.
Answer:
The two stages in the life history of silk moth directly related to silk production are
Question 7:
Out of the following, which are the two terms related to silk production?
Sericulture, floriculture, moriculture, apiculture and silviculture
Hints: (i) Silk production involves cultivation of mulberry leaves and rearing silkworms.
(ii) Scientific name of mulberry is Morus alba.
Answer:
Sericulture and moriculture
Question 8:
Match the words of Column I with those given in Column II:
Column I
Column II
(i) Scouring (a) Yields silk fibres
(ii) Mulberry leaves (b) Wool yielding animal
(iii) Yak (c) Food of silk worm
(iv) Cocoon (d) Reeling
(e) Cleaning sheared skin
Answer:
Column I
Column II
(i) Scouring (e) Cleaning sheared skin
(ii) Mulberry leaves (c) Food of silk worm
(iii) Yak (b) Wool yielding animal
(iv) Cocoon (a) Yields silk fibres
Page No 33:
Question 9:
Given below is a crossword puzzle based on this lesson. Use hints to fill in the blank spaces with letters that complete the words.
Down Across
(D) 1: Thorough washing (A) 1: Keeps warm
2: Animal fibre 2: Its leaves are eaten by silkworms
3: Long thread like structure 3: Hatches from egg of moth
Answer:
NCERT Solutions for Class 7 Science Chapters
Chapter 1 – Nutrition in Plants
Chapter 2 – Nutrition in Animals
Chapter 3 – Fibre to Fabric
Chapter 4 – Heat
Chapter 5 – Acids, Bases and Salts
Chapter 6 – Physical and Chemical Changes
Chapter 7 – Weather, Climate and Adaptations of Animals to Climate
Chapter 8 – Winds, Storms and Cyclones
Chapter 9 – Soil
Chapter 10 – Respiration in Organisms
Chapter 11 – Transportation in Animals and Plants
Chapter 12 – Reproduction in Plants
Chapter 13 – Motion and Time
Chapter 14 – Electric Current and its Effects
Chapter 15 – Light
Chapter 16 – Water: A Precious Resource
Chapter 17 – Forests: Our Lifeline
Chapter 18 – Wastewater Story
NCERT Solutions for Class 7:
NCERT Solutions for Class 7 Math
NCERT Solutions for Class 7 Science
NCERT Solutions for Class 7 Social Science
NCERT Solutions for Class 7 English
NCERT Solutions for Class 7 Hindi
NCERT Solutions for Class 7 Sanskrit
7 Comments
R Ghosh says:
May 12, 2018 at 4:44 pm
Not bad
R Ghosh says:
May 12, 2018 at 4:44 pm
Good
Rh Ghosh says:
May 12, 2018 at 4:48 pm
Bad
Anonymous says:
May 14, 2018 at 10:54 am
RUDRA JRK PANDA GOOD
Aheyukuts says:
May 6, 2020 at 8:06 pm
Search for:
Search …
NCERT SOLUTIONS (6-12)NCERT SOLUTIONS (1-5)ONLINE TUTIONBLOGVIDEOS
NCERT Solutions for Class 7 Science Chapter 3 – Fibre to Fabric
Home
Class 7
Science
Chapter 3 – Fibre to Fabric
Page No 32:
Question 1:
You must be familiar with the following nursery rhymes:
(i) ‘Baa baa black sheep, have you any wool.’
(ii) ‘Mary had a little lamb, whose fleece was white as snow.’
Answer the following:
(a) Which parts of the black sheep have wool?
(b) What is meant by the white fleece of the lamb?
Answer:
(a) Wool is obtained from the hairy fibres (hair) of the sheep.
(b) White fleece of the lamb refers to the white coloured hair of the lamb.
Question 2:
The silkworm is (a) a caterpillar, (b) a larva. Choose the correct option.
(i) a (ii) b (iii) both a and b (iv) neither a nor b
Answer:
(iii) both a and b
Question 3:
Which of the following does not yield wool?
(i) Yak (ii) Camel (iii) Goat (iv) Woolly dog
Answer:
(iv)Woolly dog
Question 4:
What is meant by the following terms?
(i) Rearing (ii) Shearing (iii) Sericulture
Answer:
(i) Rearing: Rearing means helping someone to grow up.
(ii) Shearing: It is the process of removal of fleece along with a thin layer of skin from the body of sheep.
(ii) Sericulture: Sericulture refers to the rearing of silkworms to obtain silk.
Question 5:
Given below is a sequence of steps in the processing of wool. Which are the missing steps? Add them.
Shearing, __________, sorting, __________, __________, __________
Answer:
Shearing, __scouring__, sorting, __picking of burrs__, __dying of fibres__, making of yarn__
Question 6:
Make sketches of the two stages in the life history of the silk moth which are directly related to the production of silk.
Answer:
The two stages in the life history of silk moth directly related to silk production are
Question 7:
Out of the following, which are the two terms related to silk production?
Sericulture, floriculture, moriculture, apiculture and silviculture
Hints: (i) Silk production involves cultivation of mulberry leaves and rearing silkworms.
(ii) Scientific name of mulberry is Morus alba.
Answer:
Sericulture and moriculture
Question 8:
Match the words of Column I with those given in Column II:
Column I
Column II
(i) Scouring (a) Yields silk fibres
(ii) Mulberry leaves (b) Wool yielding animal
(iii) Yak (c) Food of silk worm
(iv) Cocoon (d) Reeling
(e) Cleaning sheared skin
Answer:
Column I
Column II
(i) Scouring (e) Cleaning sheared skin
(ii) Mulberry leaves (c) Food of silk worm
(iii) Yak (b) Wool yielding animal
(iv) Cocoon (a) Yields silk fibres
Page No 33:
Question 9:
Given below is a crossword puzzle based on this lesson. Use hints to fill in the blank spaces with letters that complete the words.
Down Across
(D) 1: Thorough washing (A) 1: Keeps warm
2: Animal fibre 2: Its leaves are eaten by silkworms
3: Long thread like structure 3: Hatches from egg of moth
Answer:
NCERT Solutions for Class 7 Science Chapters
Chapter 1 – Nutrition in Plants
Chapter 2 – Nutrition in Animals
Chapter 3 – Fibre to Fabric
Chapter 4 – Heat
Chapter 5 – Acids, Bases and Salts
Chapter 6 – Physical and Chemical Changes
Chapter 7 – Weather, Climate and Adaptations of Animals to Climate
Chapter 8 – Winds, Storms and Cyclones
Chapter 9 – Soil
Chapter 10 – Respiration in Organisms
Chapter 11 – Transportation in Animals and Plants
Chapter 12 – Reproduction in Plants
Chapter 13 – Motion and Time
Chapter 14 – Electric Current and its Effects
Chapter 15 – Light
Chapter 16 – Water: A Precious Resource
Chapter 17 – Forests: Our Lifeline
Chapter 18 – Wastewater Story
NCERT Solutions for Class 7:
NCERT Solutions for Class 7 Math
NCERT Solutions for Class 7 Science
NCERT Solutions for Class 7 Social Science
NCERT Solutions for Class 7 English
NCERT Solutions for Class 7 Hindi
NCERT Solutions for Class 7 Sanskrit
4 Comments
R Ghosh says:
May 12, 2018 at 4:44 pm
Not bad
R Ghosh says:
May 12, 2018 at 4:44 pm
Good
Rh Ghosh says:
May 12, 2018 at 4:48 pm
Bad
Anonymous says:
May 14, 2018 at 10:54 am
RUDRA JRK PANDA GOOD
Leave a Reply
Your email address will not be published.
Comment
Name
CLASS 12
NCERT Solutions for Class 12
NCERT Solutions for Class 12 Physics
NCERT Solutions for Class 12 Chemistry
NCERT Solutions for Class 12 Math
NCERT Solutions for Class 12 Biology
NCERT Solutions for Class 12 Economics
NCERT Solutions for Class 12 English
CLASS 11
NCERT Solutions for Class 11
NCERT Solutions for Class 11 Physics
NCERT Solutions for Class 11 Chemistry
NCERT Solutions for Class 11 Math
NCERT Solutions for Class 11 Biology
NCERT Solutions for Class 11 Economics
NCERT Solutions for Class 11 English
CLASS 10
NCERT Solutions for Class 10
NCERT Solutions for Class 10 Math
NCERT Solutions for Class 10 Science
NCERT Solutions for Class 10 English
NCERT Solutions for Class 10 Social Science
NCERT Solutions for Class 10 Hindi
CLASS 9
NCERT Solutions for Class 9
NCERT Solution for Class 9 Math
NCERT Solutions for Class 9 Science
NCERT Solutions for Class 9 English
NCERT Solutions for Class 9 Social Science
NCERT Solutions for Class 9 Hindi
CLASS 8
NCERT Solutions for Class 8
NCERT Solutions for Class 8 Math
NCERT Solutions for Class 8 Science
NCERT Solutions for Class 8 English
NCERT Solutions for Class 8 Social Science
NCERT Solutions for Class 8 Hindi
NCERT Solutions for Class 8 Sanskrit
CLASS 7
NCERT Solutions for Class 7
NCERT Solutions for Class 7 Math
NCERT Solutions for Class 7 Science
NCERT Solutions for Class 7 English
NCERT Solutions for Class 7 Social Science
NCERT Solutions for Class 7 Hindi
NCERT Solutions for Class 7 Sanskrit
CLASS 6
NCERT Solutions for Class 6
NCERT Solutions for Class 6 Math
NCERT Solutions for Class 6 Science
NCERT Solutions for Class 6 English
NCERT Solutions for Class 6 Social Science
NCERT Solutions for Class 6 Hindi
NCERT Solutions for Class 6 Sanskrit
CLASS 5
NCERT Solutions for Class 5
NCERT Solutions for Class 5 Math
NCERT Solutions for Class 5 English
NCERT Solutions for Class 5 Hindi
NCERT Solutions for Class 5 EVS
NCERT Solutions for Class 5 French
CLASS 4
NCERT Solutions for Class 4
NCERT Solutions for Class 4 Math
NCERT Solutions for Class 4 English
NCERT Solutions for Class 4 Hindi
NCERT Solutions for Class 4 EVS
NCERT Solutions for Class 4 French
CLASS 3
NCERT Solutions for Class 3
NCERT Solutions for Class 3 Math
NCERT Solutions for Class 3 English
NCERT Solutions for Class 3 Hindi
NCERT Solutions for Class 3 EVS
CLASS 2
NCERT Solutions for Class 2
NCERT Solutions for Class 2 Math
NCERT Solutions for Class 2 English
NCERT Solutions for Class 2 Hindi
CLASS 1
NCERT Solutions for Class 1
NCERT Solutions for Class 1 Math
NCERT Solutions for Class 1 English
NCERT Solutions for Class 1 Hindi
NCERT Solutions (6-12)NCERT Solutions (1-5)Online TutionBlogVideos
© 2018 NCERT Solutions
Svevfww says:
May 6, 2020 at 8:07 pm
Search for:
Search …
NCERT SOLUTIONS (6-12)NCERT SOLUTIONS (1-5)ONLINE TUTIONBLOGVIDEOS
NCERT Solutions for Class 7 Science Chapter 3 – Fibre to Fabric
Home
Class 7
Science
Chapter 3 – Fibre to Fabric
Page No 32:
Question 1:
You must be familiar with the following nursery rhymes:
(i) ‘Baa baa black sheep, have you any wool.’
(ii) ‘Mary had a little lamb, whose fleece was white as snow.’
Answer the following:
(a) Which parts of the black sheep have wool?
(b) What is meant by the white fleece of the lamb?
Answer:
(a) Wool is obtained from the hairy fibres (hair) of the sheep.
(b) White fleece of the lamb refers to the white coloured hair of the lamb.
Question 2:
The silkworm is (a) a caterpillar, (b) a larva. Choose the correct option.
(i) a (ii) b (iii) both a and b (iv) neither a nor b
Answer:
(iii) both a and b
Question 3:
Which of the following does not yield wool?
(i) Yak (ii) Camel (iii) Goat (iv) Woolly dog
Answer:
(iv)Woolly dog
Question 4:
What is meant by the following terms?
(i) Rearing (ii) Shearing (iii) Sericulture
Answer:
(i) Rearing: Rearing means helping someone to grow up.
(ii) Shearing: It is the process of removal of fleece along with a thin layer of skin from the body of sheep.
(ii) Sericulture: Sericulture refers to the rearing of silkworms to obtain silk.
Question 5:
Given below is a sequence of steps in the processing of wool. Which are the missing steps? Add them.
Shearing, __________, sorting, __________, __________, __________
Answer:
Shearing, __scouring__, sorting, __picking of burrs__, __dying of fibres__, making of yarn__
Question 6:
Make sketches of the two stages in the life history of the silk moth which are directly related to the production of silk.
Answer:
The two stages in the life history of silk moth directly related to silk production are
Question 7:
Out of the following, which are the two terms related to silk production?
Sericulture, floriculture, moriculture, apiculture and silviculture
Hints: (i) Silk production involves cultivation of mulberry leaves and rearing silkworms.
(ii) Scientific name of mulberry is Morus alba.
Answer:
Sericulture and moriculture
Question 8:
Match the words of Column I with those given in Column II:
Column I
Column II
(i) Scouring (a) Yields silk fibres
(ii) Mulberry leaves (b) Wool yielding animal
(iii) Yak (c) Food of silk worm
(iv) Cocoon (d) Reeling
(e) Cleaning sheared skin
Answer:
Column I
Column II
(i) Scouring (e) Cleaning sheared skin
(ii) Mulberry leaves (c) Food of silk worm
(iii) Yak (b) Wool yielding animal
(iv) Cocoon (a) Yields silk fibres
Page No 33:
Question 9:
Given below is a crossword puzzle based on this lesson. Use hints to fill in the blank spaces with letters that complete the words.
Down Across
(D) 1: Thorough washing (A) 1: Keeps warm
2: Animal fibre 2: Its leaves are eaten by silkworms
3: Long thread like structure 3: Hatches from egg of moth
Answer:
NCERT Solutions for Class 7 Science Chapters
Chapter 1 – Nutrition in Plants
Chapter 2 – Nutrition in Animals
Chapter 3 – Fibre to Fabric
Chapter 4 – Heat
Chapter 5 – Acids, Bases and Salts
Chapter 6 – Physical and Chemical Changes
Chapter 7 – Weather, Climate and Adaptations of Animals to Climate
Chapter 8 – Winds, Storms and Cyclones
Chapter 9 – Soil
Chapter 10 – Respiration in Organisms
Chapter 11 – Transportation in Animals and Plants
Chapter 12 – Reproduction in Plants
Chapter 13 – Motion and Time
Chapter 14 – Electric Current and its Effects
Chapter 15 – Light
Chapter 16 – Water: A Precious Resource
Chapter 17 – Forests: Our Lifeline
Chapter 18 – Wastewater Story
NCERT Solutions for Class 7:
NCERT Solutions for Class 7 Math
NCERT Solutions for Class 7 Science
NCERT Solutions for Class 7 Social Science
NCERT Solutions for Class 7 English
NCERT Solutions for Class 7 Hindi
NCERT Solutions for Class 7 Sanskrit
5 Comments
R Ghosh says:
May 12, 2018 at 4:44 pm
Not bad
R Ghosh says:
May 12, 2018 at 4:44 pm
Good
Rh Ghosh says:
May 12, 2018 at 4:48 pm
Bad
Anonymous says:
May 14, 2018 at 10:54 am
RUDRA JRK PANDA GOOD
Aheyukuts says:
May 6, 2020 at 8:06 pm
Search for:
Search …
NCERT SOLUTIONS (6-12)NCERT SOLUTIONS (1-5)ONLINE TUTIONBLOGVIDEOS
NCERT Solutions for Class 7 Science Chapter 3 – Fibre to Fabric
Home
Class 7
Science
Chapter 3 – Fibre to Fabric
Page No 32:
Question 1:
You must be familiar with the following nursery rhymes:
(i) ‘Baa baa black sheep, have you any wool.’
(ii) ‘Mary had a little lamb, whose fleece was white as snow.’
Answer the following:
(a) Which parts of the black sheep have wool?
(b) What is meant by the white fleece of the lamb?
Answer:
(a) Wool is obtained from the hairy fibres (hair) of the sheep.
(b) White fleece of the lamb refers to the white coloured hair of the lamb.
Question 2:
The silkworm is (a) a caterpillar, (b) a larva. Choose the correct option.
(i) a (ii) b (iii) both a and b (iv) neither a nor b
Answer:
(iii) both a and b
Question 3:
Which of the following does not yield wool?
(i) Yak (ii) Camel (iii) Goat (iv) Woolly dog
Answer:
(iv)Woolly dog
Question 4:
What is meant by the following terms?
(i) Rearing (ii) Shearing (iii) Sericulture
Answer:
(i) Rearing: Rearing means helping someone to grow up.
(ii) Shearing: It is the process of removal of fleece along with a thin layer of skin from the body of sheep.
(ii) Sericulture: Sericulture refers to the rearing of silkworms to obtain silk.
Question 5:
Given below is a sequence of steps in the processing of wool. Which are the missing steps? Add them.
Shearing, __________, sorting, __________, __________, __________
Answer:
Shearing, __scouring__, sorting, __picking of burrs__, __dying of fibres__, making of yarn__
Question 6:
Make sketches of the two stages in the life history of the silk moth which are directly related to the production of silk.
Answer:
The two stages in the life history of silk moth directly related to silk production are
Question 7:
Out of the following, which are the two terms related to silk production?
Sericulture, floriculture, moriculture, apiculture and silviculture
Hints: (i) Silk production involves cultivation of mulberry leaves and rearing silkworms.
(ii) Scientific name of mulberry is Morus alba.
Answer:
Sericulture and moriculture
Question 8:
Match the words of Column I with those given in Column II:
Column I
Column II
(i) Scouring (a) Yields silk fibres
(ii) Mulberry leaves (b) Wool yielding animal
(iii) Yak (c) Food of silk worm
(iv) Cocoon (d) Reeling
(e) Cleaning sheared skin
Answer:
Column I
Column II
(i) Scouring (e) Cleaning sheared skin
(ii) Mulberry leaves (c) Food of silk worm
(iii) Yak (b) Wool yielding animal
(iv) Cocoon (a) Yields silk fibres
Page No 33:
Question 9:
Given below is a crossword puzzle based on this lesson. Use hints to fill in the blank spaces with letters that complete the words.
Down Across
(D) 1: Thorough washing (A) 1: Keeps warm
2: Animal fibre 2: Its leaves are eaten by silkworms
3: Long thread like structure 3: Hatches from egg of moth
Answer:
NCERT Solutions for Class 7 Science Chapters
Chapter 1 – Nutrition in Plants
Chapter 2 – Nutrition in Animals
Chapter 3 – Fibre to Fabric
Chapter 4 – Heat
Chapter 5 – Acids, Bases and Salts
Chapter 6 – Physical and Chemical Changes
Chapter 7 – Weather, Climate and Adaptations of Animals to Climate
Chapter 8 – Winds, Storms and Cyclones
Chapter 9 – Soil
Chapter 10 – Respiration in Organisms
Chapter 11 – Transportation in Animals and Plants
Chapter 12 – Reproduction in Plants
Chapter 13 – Motion and Time
Chapter 14 – Electric Current and its Effects
Chapter 15 – Light
Chapter 16 – Water: A Precious Resource
Chapter 17 – Forests: Our Lifeline
Chapter 18 – Wastewater Story
NCERT Solutions for Class 7:
NCERT Solutions for Class 7 Math
NCERT Solutions for Class 7 Science
NCERT Solutions for Class 7 Social Science
NCERT Solutions for Class 7 English
NCERT Solutions for Class 7 Hindi
NCERT Solutions for Class 7 Sanskrit
4 Comments
R Ghosh says:
May 12, 2018 at 4:44 pm
Not bad
R Ghosh says:
May 12, 2018 at 4:44 pm
Good
Rh Ghosh says:
May 12, 2018 at 4:48 pm
Bad
Anonymous says:
May 14, 2018 at 10:54 am
RUDRA JRK PANDA GOOD
Leave a Reply
Your email address will not be published.
Comment
Name
CLASS 12
NCERT Solutions for Class 12
NCERT Solutions for Class 12 Physics
NCERT Solutions for Class 12 Chemistry
NCERT Solutions for Class 12 Math
NCERT Solutions for Class 12 Biology
NCERT Solutions for Class 12 Economics
NCERT Solutions for Class 12 English
CLASS 11
NCERT Solutions for Class 11
NCERT Solutions for Class 11 Physics
NCERT Solutions for Class 11 Chemistry
NCERT Solutions for Class 11 Math
NCERT Solutions for Class 11 Biology
NCERT Solutions for Class 11 Economics
NCERT Solutions for Class 11 English
CLASS 10
NCERT Solutions for Class 10
NCERT Solutions for Class 10 Math
NCERT Solutions for Class 10 Science
NCERT Solutions for Class 10 English
NCERT Solutions for Class 10 Social Science
NCERT Solutions for Class 10 Hindi
CLASS 9
NCERT Solutions for Class 9
NCERT Solution for Class 9 Math
NCERT Solutions for Class 9 Science
NCERT Solutions for Class 9 English
NCERT Solutions for Class 9 Social Science
NCERT Solutions for Class 9 Hindi
CLASS 8
NCERT Solutions for Class 8
NCERT Solutions for Class 8 Math
NCERT Solutions for Class 8 Science
NCERT Solutions for Class 8 English
NCERT Solutions for Class 8 Social Science
NCERT Solutions for Class 8 Hindi
NCERT Solutions for Class 8 Sanskrit
CLASS 7
NCERT Solutions for Class 7
NCERT Solutions for Class 7 Math
NCERT Solutions for Class 7 Science
NCERT Solutions for Class 7 English
NCERT Solutions for Class 7 Social Science
NCERT Solutions for Class 7 Hindi
NCERT Solutions for Class 7 Sanskrit
CLASS 6
NCERT Solutions for Class 6
NCERT Solutions for Class 6 Math
NCERT Solutions for Class 6 Science
NCERT Solutions for Class 6 English
NCERT Solutions for Class 6 Social Science
NCERT Solutions for Class 6 Hindi
NCERT Solutions for Class 6 Sanskrit
CLASS 5
NCERT Solutions for Class 5
NCERT Solutions for Class 5 Math
NCERT Solutions for Class 5 English
NCERT Solutions for Class 5 Hindi
NCERT Solutions for Class 5 EVS
NCERT Solutions for Class 5 French
CLASS 4
NCERT Solutions for Class 4
NCERT Solutions for Class 4 Math
NCERT Solutions for Class 4 English
NCERT Solutions for Class 4 Hindi
NCERT Solutions for Class 4 EVS
NCERT Solutions for Class 4 French
CLASS 3
NCERT Solutions for Class 3
NCERT Solutions for Class 3 Math
NCERT Solutions for Class 3 English
NCERT Solutions for Class 3 Hindi
NCERT Solutions for Class 3 EVS
CLASS 2
NCERT Solutions for Class 2
NCERT Solutions for Class 2 Math
NCERT Solutions for Class 2 English
NCERT Solutions for Class 2 Hindi
CLASS 1
NCERT Solutions for Class 1
NCERT Solutions for Class 1 Math
NCERT Solutions for Class 1 English
NCERT Solutions for Class 1 Hindi
NCERT Solutions (6-12)NCERT Solutions (1-5)Online TutionBlogVideos
© 2018 NCERT Solutions
Leave a Reply
Your email address will not be published.
Comment
Name
CLASS 12
NCERT Solutions for Class 12
NCERT Solutions for Class 12 Physics
NCERT Solutions for Class 12 Chemistry
NCERT Solutions for Class 12 Math
NCERT Solutions for Class 12 Biology
NCERT Solutions for Class 12 Economics
NCERT Solutions for Class 12 English
CLASS 11
NCERT Solutions for Class 11
NCERT Solutions for Class 11 Physics
NCERT Solutions for Class 11 Chemistry
NCERT Solutions for Class 11 Math
NCERT Solutions for Class 11 Biology
NCERT Solutions for Class 11 Economics
NCERT Solutions for Class 11 English
CLASS 10
NCERT Solutions for Class 10
NCERT Solutions for Class 10 Math
NCERT Solutions for Class 10 Science
NCERT Solutions for Class 10 English
NCERT Solutions for Class 10 Social Science
NCERT Solutions for Class 10 Hindi
CLASS 9
NCERT Solutions for Class 9
NCERT Solution for Class 9 Math
NCERT Solutions for Class 9 Science
NCERT Solutions for Class 9 English
NCERT Solutions for Class 9 Social Science
NCERT Solutions for Class 9 Hindi
CLASS 8
NCERT Solutions for Class 8
NCERT Solutions for Class 8 Math
NCERT Solutions for Class 8 Science
NCERT Solutions for Class 8 English
NCERT Solutions for Class 8 Social Science
NCERT Solutions for Class 8 Hindi
NCERT Solutions for Class 8 Sanskrit
CLASS 7
NCERT Solutions for Class 7
NCERT Solutions for Class 7 Math
NCERT Solutions for Class 7 Science
NCERT Solutions for Class 7 English
NCERT Solutions for Class 7 Social Science
NCERT Solutions for Class 7 Hindi
NCERT Solutions for Class 7 Sanskrit
CLASS 6
NCERT Solutions for Class 6
NCERT Solutions for Class 6 Math
NCERT Solutions for Class 6 Science
NCERT Solutions for Class 6 English
NCERT Solutions for Class 6 Social Science
NCERT Solutions for Class 6 Hindi
NCERT Solutions for Class 6 Sanskrit
CLASS 5
NCERT Solutions for Class 5
NCERT Solutions for Class 5 Math
NCERT Solutions for Class 5 English
NCERT Solutions for Class 5 Hindi
NCERT Solutions for Class 5 EVS
NCERT Solutions for Class 5 French
CLASS 4
NCERT Solutions for Class 4
NCERT Solutions for Class 4 Math
NCERT Solutions for Class 4 English
NCERT Solutions for Class 4 Hindi
NCERT Solutions for Class 4 EVS
NCERT Solutions for Class 4 French
CLASS 3
NCERT Solutions for Class 3
NCERT Solutions for Class 3 Math
NCERT Solutions for Class 3 English
NCERT Solutions for Class 3 Hindi
NCERT Solutions for Class 3 EVS
CLASS 2
NCERT Solutions for Class 2
NCERT Solutions for Class 2 Math
NCERT Solutions for Class 2 English
NCERT Solutions for Class 2 Hindi
CLASS 1
NCERT Solutions for Class 1
NCERT Solutions for Class 1 Math
NCERT Solutions for Class 1 English
NCERT Solutions for Class 1 Hindi
NCERT Solutions (6-12)NCERT Solutions (1-5)Online TutionBlogVideos
© 2020 NCERT Solutions
Anonymous says:
May 6, 2020 at 8:08 pm
Search for:
Search …
NCERT SOLUTIONS (6-12)NCERT SOLUTIONS (1-5)ONLINE TUTIONBLOGVIDEOS
NCERT Solutions for Class 7 Science Chapter 3 – Fibre to Fabric
Home
Class 7
Science
Chapter 3 – Fibre to Fabric
Page No 32:
Question 1:
You must be familiar with the following nursery rhymes:
(i) ‘Baa baa black sheep, have you any wool.’
(ii) ‘Mary had a little lamb, whose fleece was white as snow.’
Answer the following:
(a) Which parts of the black sheep have wool?
(b) What is meant by the white fleece of the lamb?
Answer:
(a) Wool is obtained from the hairy fibres (hair) of the sheep.
(b) White fleece of the lamb refers to the white coloured hair of the lamb.
Question 2:
The silkworm is (a) a caterpillar, (b) a larva. Choose the correct option.
(i) a (ii) b (iii) both a and b (iv) neither a nor b
Answer:
(iii) both a and b
Question 3:
Which of the following does not yield wool?
(i) Yak (ii) Camel (iii) Goat (iv) Woolly dog
Answer:
(iv)Woolly dog
Question 4:
What is meant by the following terms?
(i) Rearing (ii) Shearing (iii) Sericulture
Answer:
(i) Rearing: Rearing means helping someone to grow up.
(ii) Shearing: It is the process of removal of fleece along with a thin layer of skin from the body of sheep.
(ii) Sericulture: Sericulture refers to the rearing of silkworms to obtain silk.
Question 5:
Given below is a sequence of steps in the processing of wool. Which are the missing steps? Add them.
Shearing, __________, sorting, __________, __________, __________
Answer:
Shearing, __scouring__, sorting, __picking of burrs__, __dying of fibres__, making of yarn__
Question 6:
Make sketches of the two stages in the life history of the silk moth which are directly related to the production of silk.
Answer:
The two stages in the life history of silk moth directly related to silk production are
Question 7:
Out of the following, which are the two terms related to silk production?
Sericulture, floriculture, moriculture, apiculture and silviculture
Hints: (i) Silk production involves cultivation of mulberry leaves and rearing silkworms.
(ii) Scientific name of mulberry is Morus alba.
Answer:
Sericulture and moriculture
Question 8:
Match the words of Column I with those given in Column II:
Column I
Column II
(i) Scouring (a) Yields silk fibres
(ii) Mulberry leaves (b) Wool yielding animal
(iii) Yak (c) Food of silk worm
(iv) Cocoon (d) Reeling
(e) Cleaning sheared skin
Answer:
Column I
Column II
(i) Scouring (e) Cleaning sheared skin
(ii) Mulberry leaves (c) Food of silk worm
(iii) Yak (b) Wool yielding animal
(iv) Cocoon (a) Yields silk fibres
Page No 33:
Question 9:
Given below is a crossword puzzle based on this lesson. Use hints to fill in the blank spaces with letters that complete the words.
Down Across
(D) 1: Thorough washing (A) 1: Keeps warm
2: Animal fibre 2: Its leaves are eaten by silkworms
3: Long thread like structure 3: Hatches from egg of moth
Answer:
NCERT Solutions for Class 7 Science Chapters
Chapter 1 – Nutrition in Plants
Chapter 2 – Nutrition in Animals
Chapter 3 – Fibre to Fabric
Chapter 4 – Heat
Chapter 5 – Acids, Bases and Salts
Chapter 6 – Physical and Chemical Changes
Chapter 7 – Weather, Climate and Adaptations of Animals to Climate
Chapter 8 – Winds, Storms and Cyclones
Chapter 9 – Soil
Chapter 10 – Respiration in Organisms
Chapter 11 – Transportation in Animals and Plants
Chapter 12 – Reproduction in Plants
Chapter 13 – Motion and Time
Chapter 14 – Electric Current and its Effects
Chapter 15 – Light
Chapter 16 – Water: A Precious Resource
Chapter 17 – Forests: Our Lifeline
Chapter 18 – Wastewater Story
NCERT Solutions for Class 7:
NCERT Solutions for Class 7 Math
NCERT Solutions for Class 7 Science
NCERT Solutions for Class 7 Social Science
NCERT Solutions for Class 7 English
NCERT Solutions for Class 7 Hindi
NCERT Solutions for Class 7 Sanskrit
6 Comments
R Ghosh says:
May 12, 2018 at 4:44 pm
Not bad
R Ghosh says:
May 12, 2018 at 4:44 pm
Good
Rh Ghosh says:
May 12, 2018 at 4:48 pm
Bad
Anonymous says:
May 14, 2018 at 10:54 am
RUDRA JRK PANDA GOOD
Aheyukuts says:
May 6, 2020 at 8:06 pm
Search for:
Search …
NCERT SOLUTIONS (6-12)NCERT SOLUTIONS (1-5)ONLINE TUTIONBLOGVIDEOS
NCERT Solutions for Class 7 Science Chapter 3 – Fibre to Fabric
Home
Class 7
Science
Chapter 3 – Fibre to Fabric
Page No 32:
Question 1:
You must be familiar with the following nursery rhymes:
(i) ‘Baa baa black sheep, have you any wool.’
(ii) ‘Mary had a little lamb, whose fleece was white as snow.’
Answer the following:
(a) Which parts of the black sheep have wool?
(b) What is meant by the white fleece of the lamb?
Answer:
(a) Wool is obtained from the hairy fibres (hair) of the sheep.
(b) White fleece of the lamb refers to the white coloured hair of the lamb.
Question 2:
The silkworm is (a) a caterpillar, (b) a larva. Choose the correct option.
(i) a (ii) b (iii) both a and b (iv) neither a nor b
Answer:
(iii) both a and b
Question 3:
Which of the following does not yield wool?
(i) Yak (ii) Camel (iii) Goat (iv) Woolly dog
Answer:
(iv)Woolly dog
Question 4:
What is meant by the following terms?
(i) Rearing (ii) Shearing (iii) Sericulture
Answer:
(i) Rearing: Rearing means helping someone to grow up.
(ii) Shearing: It is the process of removal of fleece along with a thin layer of skin from the body of sheep.
(ii) Sericulture: Sericulture refers to the rearing of silkworms to obtain silk.
Question 5:
Given below is a sequence of steps in the processing of wool. Which are the missing steps? Add them.
Shearing, __________, sorting, __________, __________, __________
Answer:
Shearing, __scouring__, sorting, __picking of burrs__, __dying of fibres__, making of yarn__
Question 6:
Make sketches of the two stages in the life history of the silk moth which are directly related to the production of silk.
Answer:
The two stages in the life history of silk moth directly related to silk production are
Question 7:
Out of the following, which are the two terms related to silk production?
Sericulture, floriculture, moriculture, apiculture and silviculture
Hints: (i) Silk production involves cultivation of mulberry leaves and rearing silkworms.
(ii) Scientific name of mulberry is Morus alba.
Answer:
Sericulture and moriculture
Question 8:
Match the words of Column I with those given in Column II:
Column I
Column II
(i) Scouring (a) Yields silk fibres
(ii) Mulberry leaves (b) Wool yielding animal
(iii) Yak (c) Food of silk worm
(iv) Cocoon (d) Reeling
(e) Cleaning sheared skin
Answer:
Column I
Column II
(i) Scouring (e) Cleaning sheared skin
(ii) Mulberry leaves (c) Food of silk worm
(iii) Yak (b) Wool yielding animal
(iv) Cocoon (a) Yields silk fibres
Page No 33:
Question 9:
Given below is a crossword puzzle based on this lesson. Use hints to fill in the blank spaces with letters that complete the words.
Down Across
(D) 1: Thorough washing (A) 1: Keeps warm
2: Animal fibre 2: Its leaves are eaten by silkworms
3: Long thread like structure 3: Hatches from egg of moth
Answer:
NCERT Solutions for Class 7 Science Chapters
Chapter 1 – Nutrition in Plants
Chapter 2 – Nutrition in Animals
Chapter 3 – Fibre to Fabric
Chapter 4 – Heat
Chapter 5 – Acids, Bases and Salts
Chapter 6 – Physical and Chemical Changes
Chapter 7 – Weather, Climate and Adaptations of Animals to Climate
Chapter 8 – Winds, Storms and Cyclones
Chapter 9 – Soil
Chapter 10 – Respiration in Organisms
Chapter 11 – Transportation in Animals and Plants
Chapter 12 – Reproduction in Plants
Chapter 13 – Motion and Time
Chapter 14 – Electric Current and its Effects
Chapter 15 – Light
Chapter 16 – Water: A Precious Resource
Chapter 17 – Forests: Our Lifeline
Chapter 18 – Wastewater Story
NCERT Solutions for Class 7:
NCERT Solutions for Class 7 Math
NCERT Solutions for Class 7 Science
NCERT Solutions for Class 7 Social Science
NCERT Solutions for Class 7 English
NCERT Solutions for Class 7 Hindi
NCERT Solutions for Class 7 Sanskrit
4 Comments
R Ghosh says:
May 12, 2018 at 4:44 pm
Not bad
R Ghosh says:
May 12, 2018 at 4:44 pm
Good
Rh Ghosh says:
May 12, 2018 at 4:48 pm
Bad
Anonymous says:
May 14, 2018 at 10:54 am
RUDRA JRK PANDA GOOD
Leave a Reply
Your email address will not be published.
Comment
Name
CLASS 12
NCERT Solutions for Class 12
NCERT Solutions for Class 12 Physics
NCERT Solutions for Class 12 Chemistry
NCERT Solutions for Class 12 Math
NCERT Solutions for Class 12 Biology
NCERT Solutions for Class 12 Economics
NCERT Solutions for Class 12 English
CLASS 11
NCERT Solutions for Class 11
NCERT Solutions for Class 11 Physics
NCERT Solutions for Class 11 Chemistry
NCERT Solutions for Class 11 Math
NCERT Solutions for Class 11 Biology
NCERT Solutions for Class 11 Economics
NCERT Solutions for Class 11 English
CLASS 10
NCERT Solutions for Class 10
NCERT Solutions for Class 10 Math
NCERT Solutions for Class 10 Science
NCERT Solutions for Class 10 English
NCERT Solutions for Class 10 Social Science
NCERT Solutions for Class 10 Hindi
CLASS 9
NCERT Solutions for Class 9
NCERT Solution for Class 9 Math
NCERT Solutions for Class 9 Science
NCERT Solutions for Class 9 English
NCERT Solutions for Class 9 Social Science
NCERT Solutions for Class 9 Hindi
CLASS 8
NCERT Solutions for Class 8
NCERT Solutions for Class 8 Math
NCERT Solutions for Class 8 Science
NCERT Solutions for Class 8 English
NCERT Solutions for Class 8 Social Science
NCERT Solutions for Class 8 Hindi
NCERT Solutions for Class 8 Sanskrit
CLASS 7
NCERT Solutions for Class 7
NCERT Solutions for Class 7 Math
NCERT Solutions for Class 7 Science
NCERT Solutions for Class 7 English
NCERT Solutions for Class 7 Social Science
NCERT Solutions for Class 7 Hindi
NCERT Solutions for Class 7 Sanskrit
CLASS 6
NCERT Solutions for Class 6
NCERT Solutions for Class 6 Math
NCERT Solutions for Class 6 Science
NCERT Solutions for Class 6 English
NCERT Solutions for Class 6 Social Science
NCERT Solutions for Class 6 Hindi
NCERT Solutions for Class 6 Sanskrit
CLASS 5
NCERT Solutions for Class 5
NCERT Solutions for Class 5 Math
NCERT Solutions for Class 5 English
NCERT Solutions for Class 5 Hindi
NCERT Solutions for Class 5 EVS
NCERT Solutions for Class 5 French
CLASS 4
NCERT Solutions for Class 4
NCERT Solutions for Class 4 Math
NCERT Solutions for Class 4 English
NCERT Solutions for Class 4 Hindi
NCERT Solutions for Class 4 EVS
NCERT Solutions for Class 4 French
CLASS 3
NCERT Solutions for Class 3
NCERT Solutions for Class 3 Math
NCERT Solutions for Class 3 English
NCERT Solutions for Class 3 Hindi
NCERT Solutions for Class 3 EVS
CLASS 2
NCERT Solutions for Class 2
NCERT Solutions for Class 2 Math
NCERT Solutions for Class 2 English
NCERT Solutions for Class 2 Hindi
CLASS 1
NCERT Solutions for Class 1
NCERT Solutions for Class 1 Math
NCERT Solutions for Class 1 English
NCERT Solutions for Class 1 Hindi
NCERT Solutions (6-12)NCERT Solutions (1-5)Online TutionBlogVideos
© 2018 NCERT Solutions
Svevfww says:
May 6, 2020 at 8:07 pm
Search for:
Search …
NCERT SOLUTIONS (6-12)NCERT SOLUTIONS (1-5)ONLINE TUTIONBLOGVIDEOS
NCERT Solutions for Class 7 Science Chapter 3 – Fibre to Fabric
Home
Class 7
Science
Chapter 3 – Fibre to Fabric
Page No 32:
Question 1:
You must be familiar with the following nursery rhymes:
(i) ‘Baa baa black sheep, have you any wool.’
(ii) ‘Mary had a little lamb, whose fleece was white as snow.’
Answer the following:
(a) Which parts of the black sheep have wool?
(b) What is meant by the white fleece of the lamb?
Answer:
(a) Wool is obtained from the hairy fibres (hair) of the sheep.
(b) White fleece of the lamb refers to the white coloured hair of the lamb.
Question 2:
The silkworm is (a) a caterpillar, (b) a larva. Choose the correct option.
(i) a (ii) b (iii) both a and b (iv) neither a nor b
Answer:
(iii) both a and b
Question 3:
Which of the following does not yield wool?
(i) Yak (ii) Camel (iii) Goat (iv) Woolly dog
Answer:
(iv)Woolly dog
Question 4:
What is meant by the following terms?
(i) Rearing (ii) Shearing (iii) Sericulture
Answer:
(i) Rearing: Rearing means helping someone to grow up.
(ii) Shearing: It is the process of removal of fleece along with a thin layer of skin from the body of sheep.
(ii) Sericulture: Sericulture refers to the rearing of silkworms to obtain silk.
Question 5:
Given below is a sequence of steps in the processing of wool. Which are the missing steps? Add them.
Shearing, __________, sorting, __________, __________, __________
Answer:
Shearing, __scouring__, sorting, __picking of burrs__, __dying of fibres__, making of yarn__
Question 6:
Make sketches of the two stages in the life history of the silk moth which are directly related to the production of silk.
Answer:
The two stages in the life history of silk moth directly related to silk production are
Question 7:
Out of the following, which are the two terms related to silk production?
Sericulture, floriculture, moriculture, apiculture and silviculture
Hints: (i) Silk production involves cultivation of mulberry leaves and rearing silkworms.
(ii) Scientific name of mulberry is Morus alba.
Answer:
Sericulture and moriculture
Question 8:
Match the words of Column I with those given in Column II:
Column I
Column II
(i) Scouring (a) Yields silk fibres
(ii) Mulberry leaves (b) Wool yielding animal
(iii) Yak (c) Food of silk worm
(iv) Cocoon (d) Reeling
(e) Cleaning sheared skin
Answer:
Column I
Column II
(i) Scouring (e) Cleaning sheared skin
(ii) Mulberry leaves (c) Food of silk worm
(iii) Yak (b) Wool yielding animal
(iv) Cocoon (a) Yields silk fibres
Page No 33:
Question 9:
Given below is a crossword puzzle based on this lesson. Use hints to fill in the blank spaces with letters that complete the words.
Down Across
(D) 1: Thorough washing (A) 1: Keeps warm
2: Animal fibre 2: Its leaves are eaten by silkworms
3: Long thread like structure 3: Hatches from egg of moth
Answer:
NCERT Solutions for Class 7 Science Chapters
Chapter 1 – Nutrition in Plants
Chapter 2 – Nutrition in Animals
Chapter 3 – Fibre to Fabric
Chapter 4 – Heat
Chapter 5 – Acids, Bases and Salts
Chapter 6 – Physical and Chemical Changes
Chapter 7 – Weather, Climate and Adaptations of Animals to Climate
Chapter 8 – Winds, Storms and Cyclones
Chapter 9 – Soil
Chapter 10 – Respiration in Organisms
Chapter 11 – Transportation in Animals and Plants
Chapter 12 – Reproduction in Plants
Chapter 13 – Motion and Time
Chapter 14 – Electric Current and its Effects
Chapter 15 – Light
Chapter 16 – Water: A Precious Resource
Chapter 17 – Forests: Our Lifeline
Chapter 18 – Wastewater Story
NCERT Solutions for Class 7:
NCERT Solutions for Class 7 Math
NCERT Solutions for Class 7 Science
NCERT Solutions for Class 7 Social Science
NCERT Solutions for Class 7 English
NCERT Solutions for Class 7 Hindi
NCERT Solutions for Class 7 Sanskrit
5 Comments
R Ghosh says:
May 12, 2018 at 4:44 pm
Not bad
R Ghosh says:
May 12, 2018 at 4:44 pm
Good
Rh Ghosh says:
May 12, 2018 at 4:48 pm
Bad
Anonymous says:
May 14, 2018 at 10:54 am
RUDRA JRK PANDA GOOD
Aheyukuts says:
May 6, 2020 at 8:06 pm
Search for:
Search …
NCERT SOLUTIONS (6-12)NCERT SOLUTIONS (1-5)ONLINE TUTIONBLOGVIDEOS
NCERT Solutions for Class 7 Science Chapter 3 – Fibre to Fabric
Home
Class 7
Science
Chapter 3 – Fibre to Fabric
Page No 32:
Question 1:
You must be familiar with the following nursery rhymes:
(i) ‘Baa baa black sheep, have you any wool.’
(ii) ‘Mary had a little lamb, whose fleece was white as snow.’
Answer the following:
(a) Which parts of the black sheep have wool?
(b) What is meant by the white fleece of the lamb?
Answer:
(a) Wool is obtained from the hairy fibres (hair) of the sheep.
(b) White fleece of the lamb refers to the white coloured hair of the lamb.
Question 2:
The silkworm is (a) a caterpillar, (b) a larva. Choose the correct option.
(i) a (ii) b (iii) both a and b (iv) neither a nor b
Answer:
(iii) both a and b
Question 3:
Which of the following does not yield wool?
(i) Yak (ii) Camel (iii) Goat (iv) Woolly dog
Answer:
(iv)Woolly dog
Question 4:
What is meant by the following terms?
(i) Rearing (ii) Shearing (iii) Sericulture
Answer:
(i) Rearing: Rearing means helping someone to grow up.
(ii) Shearing: It is the process of removal of fleece along with a thin layer of skin from the body of sheep.
(ii) Sericulture: Sericulture refers to the rearing of silkworms to obtain silk.
Question 5:
Given below is a sequence of steps in the processing of wool. Which are the missing steps? Add them.
Shearing, __________, sorting, __________, __________, __________
Answer:
Shearing, __scouring__, sorting, __picking of burrs__, __dying of fibres__, making of yarn__
Question 6:
Make sketches of the two stages in the life history of the silk moth which are directly related to the production of silk.
Answer:
The two stages in the life history of silk moth directly related to silk production are
Question 7:
Out of the following, which are the two terms related to silk production?
Sericulture, floriculture, moriculture, apiculture and silviculture
Hints: (i) Silk production involves cultivation of mulberry leaves and rearing silkworms.
(ii) Scientific name of mulberry is Morus alba.
Answer:
Sericulture and moriculture
Question 8:
Match the words of Column I with those given in Column II:
Column I
Column II
(i) Scouring (a) Yields silk fibres
(ii) Mulberry leaves (b) Wool yielding animal
(iii) Yak (c) Food of silk worm
(iv) Cocoon (d) Reeling
(e) Cleaning sheared skin
Answer:
Column I
Column II
(i) Scouring (e) Cleaning sheared skin
(ii) Mulberry leaves (c) Food of silk worm
(iii) Yak (b) Wool yielding animal
(iv) Cocoon (a) Yields silk fibres
Page No 33:
Question 9:
Given below is a crossword puzzle based on this lesson. Use hints to fill in the blank spaces with letters that complete the words.
Down Across
(D) 1: Thorough washing (A) 1: Keeps warm
2: Animal fibre 2: Its leaves are eaten by silkworms
3: Long thread like structure 3: Hatches from egg of moth
Answer: