1. The process of removal of toxic wastes from the body of an organism is called:
A. Transport
B. Respiration
C. Excretion
D. Nutrition
Ans. C
2. The movement of a plant part in response to light is called:
A. Phototropism
B. Geotropism
C. Chemotropism
D. Hydrotropism
Ans. A
3. The movement of plant part in response to gravity is called:
A. Thigmotropism
B. Hydrotropism
C. Phototropism
D. Geotropism
Ans. D
4. The movement of a plant part in response to a chemical stimulus is called:
A. Hydrotropism
B. Chemotropism
C. Thigmotropsim
D. Phototropism
Ans. B
5. The movement of a plant part in response to water is called:
A. Geotropism
B. Hydrotropism
C. Chemotropism
D. Thigmotropism
Ans. B
6. The directional movement of a plant part in response to the touch of an object is called:
A. Phototropism
B. Geotropism
C. Thigmotropism
D. Hydrotropism
Ans.C
7. The non-directional movement of a plant part in response to the touch of an object is called:
A. Thigmotropism
B. Thigmonasty
C. Phototropism
D. Photonasty
Ans. B
8. The pad-like swelling at the base of each leaf of a sensitive plant is called:
A. Pistol
B. Scape
C. Pulvini
D. Foliage
Ans. C
9. The non-directional movement of a plant part in response to light is called:
A. Phototropism
B. Thigmotropism
C. Geotropism
D. Photonasty
Ans. D
10. The shorter fibres on the body of a neuron are called:
A. Dendrites
B. Axon
C. Cytoplasm
D. Myelin sheath
Ans. A