These MCQ Questions Online Tests cover the whole of Control and Coordination. Our experts are prepared MCQ Questions for Class 10 based on the latest exam pattern. Students can refer to these Class 10 Science MCQ Questions of Control and Coordination with Answer for their exam preparation. 

MCQ Questions of Control and Coordination are taken from all important topics of the chapter and answer just as an explanation is given underneath each question.

Practice Class 10 Science MCQ Questions of Control and Coordination

1. Which of the following acts as both endocrine and exocrine glands?

(a) Adrenal
(b) Pituitary
(c) Ovaries
(d) Pancreas

2. Which hormone regulates the ionic balance in the body?

(a) Glucagon
(b) Thyroxine
(c) Testosterone
(d) Vasopressin

3. Impulse flows from ___.

(a) dendrite to axon in same neuron
(b) axon to dendrite
(c) nodes of ranvier to axon
(d) none

4. ____ are multipolar and conduct impulse out from spinal cord.

(a) neuroglia
(b) neurolemma
(c) schwann cells
(d) motor neuron

5. Which of the following statements is correct about receptors?

(a) Gustatory receptors detect taste while olfactory receptors detect smell
(b) Both gustatory and olfactory receptors detect smell
(c) Auditory receptors detect smell and olfactory receptors detect taste
(d) Olfactory receptors detect taste and gustatory receptors smell

6. In a neuron, conversion of electrical signal to a chemical signal occurs at/in

(a) cell body
(b) axonal end
(c) dendritic end
(d) axon

7. Posture and balance of the body is controlled by

(a) cerebrum
(b) cerebellum
(c) medulla
(d) pons

8. Spinal cord originates from

(a) cerebrum
(b) medulla
(c) pons
(d) cerebellum

9. The gap between two neurons is called a:

(a) dendrite
(b) synapse
(c) axon
(d) impulse

10. The brain is responsible for:

(a) thinking
(b) regulating the heart beat
(c) balancing the body
(d) all of the above

11. Cartisons are secreted by:

(a) pancreatic gland
(b) adrenal gland
(c) thyroid gland
(d) pituitary gland

12. Female sex hormone is:

(a) estrogen
(b) androgen
(c) insulin
(d) adrenalin

13. The main function of the plant hormone called abscisic acid is to:

(a) Increase the length of cells
(b) Promote cell division
(c) Inhibit growth
(d) Promote growth of stem and roots

14. The growth of tendrils in pea plants is due to the:

(a) Effect of sunlight on the tendril cells facing the sun
(b) Effect of gravity on the part of tendril hanging down towards the earth
(c) Rapid cell division and elongation in tendril cells that are away from the support
(d) Rapid cell division and elongation in tendril cells in contact with the support

15. The plant hormone which triggers the fall of mature leaves and fruits from the plant body is:

(a) Auxin
(b) Gibberellin
(c) Abscisic acid
(d) Cytokinin

16. The stimulus in the process of thigmotropism is:

(a) Touch
(b) Gravity
(c) Light
(d) Chemical

17. The number of pairs of nerves which arises from the spinal cord is:

(a) 21
(b) 31
(c) 41
(d) 51

18. Reflex actions are mediated through

(a) brain
(b) effectors
(c) spinal cord
(d) receptors

19. The highest coordinating centre in the human body is

(a) spinal cord
(b) heart
(c) brain
(d) kidney

20. Iodine is necessary for the synthesis of which of the following hormone?

(a) Adrenaline
(b) Auxin
(c) Thyroxine
(d) Insulin

Answer key

1. (d) Pancreas
2. (d) Vasopressin
3. (a) dendrite to axon in same neuron
4. (d) motor neuron
5. (a) Gustatory receptors detect taste while olfactory receptors detect smell
6. (b) axonal end
7. (b) cerebellum
8. (b) medulla
9. (b) synapse
10. (d) all of the above
11. (b) adrenal gland
12. (a) estrogen
13. (c) Inhibit growth
14. (c) Rapid cell division and elongation in tendril cells that are away from the support
15. (c) Abscisic acid
16. (a) Touch
17. (b) 31
18. (c) spinal cord
19. (c) brain
20. (c) Thyroxine 

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