Control and Coordination MCQ

Control and Coordination MCQ

  1. Which part of the brain coordinates a reflex action?

A. Cerebrum

B. Cerebellum

C. Spinal Cord

D. Medulla Oblongata

C. Spinal Cord

2. The structural and functional unit of a brain is

A. Neuron

B. Synapse

C. Cerebrum

D. Medulla Oblongata

A. Neuron

3. Plant movement towards light is

A. Phototropism

B. Gravitropism

C. Hydrotropism

D. Chemotropism

A. Phototropism

4. Which gland of the body maintains the biological clock (circadian rhythm)?

A. Pituitary

B. Thyroid

C. Pineal

D. Thyroid

C. Pineal

5. A hormone which regulates the growth of the body is

A. Thyroxin

B. Growth Hormone

C. Growth Hormone Releasing Factor

D. All of the above

D. All of the above

6. The hormone responsible for a male secondary sexual character is 

A. Testosterone

B. Oestrogen

C. Growth Hormone

D. Thyroxin

A. Testosterone

7. The Hormone responsible for a female  secondary sexual character is 

A. Testosterone

B. Oestrogen

C. Growth Hormone

D. Thyroxin

B. Oestrogen

8. Emergency hormone is 

A. Adrenaline

B. Thyroxin

C. Growth Hormone

D. Somatostatin

A. Adrenaline

9. Insulin is a 

A. Hormone

B. Enzyme

C. Both

D. None

A. Hormone

10. Which gland controls the release of thyroxin and growth hormones

A. Hypothalamus

B. Pituitary

C. Thymus

D. Pineal

A. Hypothalamus

11. Plant hormone responsible for growth is

A. Auxin

B. Gibberellin

C. Cytokinin

D. All

D. All

12. Which hormone is present in the wilting leaf?

A. Auxin

B. Gibberellin

C. Cytokinin

D. Abscisic acid

D. Abscisic acid

13. Neurotransmitters are secreted by dendrites in 

A. Synapse

B. Axon

C. Neuron

D. All

A. Synapse

14. Master gland of Endocrine Orchestra is:

A. Pineal B. Pituitary C. Thyroid D. Adrenal Gland.

B. Pituitary

Answers:
1. Spinal Cord 2. Neuron 3. Phototropism 4.Pineal 5. All 6. Testosterone 7. Oestrogen 8. Adrenaline 9.Hormone 10. Hypothalamus 11. All 12. Abscisic acid 13. Synapse 14. Pituitary

Next: How organisms reproduce MCQ.

See also: MCQ from Class 10 Science.

Control and Coordination MCQ

Ref: ch7

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