NCERT Solutions For Class 6 Science Chapter 7

CBSE All In One SCIENCE Class 6

Class 6 Science Chapter 7 Important Questions For Practice

1. Which of the following terms constitute the female part of the flower.
(a) sepals, petal and stamen
(b) stigma, style and ovary
(c) ovary, stamen and stigma
(d) ovary, style and stamen
2. Which of the following combination of features would you observe in grass?
(a) Parallel venation and fibrous root
(b) Parallel venation and tap root
(c) Reticulate venation and fibrous root
(d) Reticulate venation and tap root
3. Which of the following is not the primary function of stem?
(a) Conduction of water
(b) Photosynthesis
(c) Formation of branches
(d) Bears flowers and fruits
4. Read the following sentences about photosynthesis:
(i) Sunlight, carbon dioxide, chlorophyll and water are necessary.
(ii) Oxygen is absorbed.
(iii) Leaves carry out photosynthesis.
(iv) Proteins are made during photosynthesis.
Choose the correct pair of sentences that are true to photosynthesis
(a) (iii) and (iv) (b) (i) and (iii)
(c) (ii) and (iv) (d) (i) and (iv)
5. Which of the following is the correct match between the characteristics of stem and the category of plant?
(a) weak stem which cannot stand upright: Creeper
(b) green tender stem : Shrub
(c) thick, hard stem with branching near : Tree the base
(d) thick, hard stem with branches high : Herb on the plant
6. Which of the following is not a correct match?
(a) Petiole: attaches leaf to stem
(b) Lamina: green flat part of leaf
(c) Margin: gives shape to the leaf
(d) Veins: transpiration

Answers Of Important Questions

1 (b),
2 (a),
3 (b),
4 (b),
5 (a),
6 (d).

Important Questions On Class 6 Science Chapter 7

क्या आप अपने घर के आस-पास ऐसे पौधे को जानते हैं जिसका तना लंबा परंतु दुर्बल हो? इसका नाम लिखिए। आप इसे किस वर्ग में रखेंगे?

मनी प्लांट का तना लंबा होता है परंतु दुर्बल भी होता है। ये विसर्पी लता वर्ग में आते हैं।

What is the function of a stem in a plant?

Functions of stem in a plant:
It holds the branches, leaves, flowers and fruits.
The stem transports water and minerals from roots to the upper parts.
It also transports the prepared food from leaves to other parts.

Which of the following leaves have reticulate venation? Wheat, tulsi, maize, grass, coriander (dhania), China rose.

Tulsi, Coriander (Dhania) and China rose.

यदि किसी पौधे की जड़ रेशेदार हो तो उसकी पत्ती का शिरा-विन्यास किस प्रकार का होगा?

समांतर शिरा-विन्यास

यदि किसी पौधे की पत्ती में जालिका रूपी शिरा-विन्यास हो तो उसकी जड़ें किस प्रकार की होंगी?

मूसला जड़

क्या आप किसी पौधे की पत्ती की छाप को देखकर यह पहचान कर सकते हैं कि उसकी जड़ मूसला जड़ होगी अथवा झकड़ा जड़? कैसे?

हाँ,
यदि पौधे की पत्ती में जालिका रूपी शिरा-विन्यास हो तो उसकी जड़ें मूसला होंगी और यदि पौधे की पत्ती में समांतर शिरा-विन्यास हो तो उसकी जड़ें झकड़ा जड़ें अथवा रेशेदार जड़ें होंगी।

किसी पुष्प के विभिन्न भागों के नाम लिखिए।

किसी पुष्प के विभिन्न भाग मुख्यतः बाह्यदल, पंखुड़ियाँ, स्त्रीकेसर, पुंकेसर आदि हैं।

Name the part of the plant which produces its food. Name this process.

Leaves produce food for plant with the process of photosynthesis.

In which part of a flower, you are likely to find the ovary?

Ovary is located in the lowermost and swollen part of the pistil of flower.

Name two flowers, each with joined and separated sepals.

Plants with joined sepals : Datura and Tomato flower.
Plants with separated sepals : Lotus and Rose.

ऐसे दो पुष्पों के नाम लिखिए जिनमें से प्रत्येक में संयुक्त और अलग-अलग पंखुड़ियाँ हों।

संयुक्त पंखुड़ियों वाले पुष्प : धतुरा और टमाटर
अलग-अलग पंखुड़ियों वाले पुष्प : कमल और गुलाब

Details: Parent Category: student Corner; Category: Class 6 Science; Published: 18 May 2020; Hits: 49

🚀 Start Your Learning Journey with Knowledge Center

Class 6 Science