GK Questions & Answers on Science: Biology Terminology (Set 2)

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