Practice test

Nervous system - Test Set 1

Review 20 exam-focused questions with detailed explanations, then start the interactive test when you are ready.

20 questions

Questions and explanations

  1. Question 1

    Which one of the following is not a part of nerves?
    1. Axons
    2. Connective tissues
    3. Schwann cells
    4. Smooth muscles
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  2. Question 2

    Which of the following gets activated upon illumination and generates electrical signal?
    1. Light sensitive cell
    2. Optic nerve
    3. Ciliary muscles
    4. Vitreous humour
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  3. Question 3

    In how many parts is the human brain divided?
    1. 2
    2. 3
    3. 4
    4. 5
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  4. Question 4

    Which part of the brain is responsible for triggering actions like thinking, intelligence, memory, and ability to learn?
    1. Diencephalon
    2. Hypothalamus
    3. Cerebrum
    4. Control
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  5. Question 5

    The largest part of our brain is:
    1. Medulla oblongata
    2. Cerebellum
    3. Cerebrum
    4. Hypothalamus
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  6. Question 6

    Which part of the brain controls fine movement, maintains balance and equilibrium of the body, and muscle tone in a human being?
    1. Cerebrum
    2. Thalamus
    3. Cerebellum
    4. Hypothalamus
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  7. Question 7

    Which one of the following parts of the human brain is the regulating centre for swallowing and vomiting?
    1. Cerebellum
    2. Cerebrum
    3. Medulla oblongata
    4. Pons
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  8. Question 8

    Cerebellum is the centre for reflex coordination and muscular tone; if it is injured:
    1. Movements become jerky and walk controlled
    2. Movements are shaky and speech defective
    3. Movements are unbalanced
    4. No effect at all
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  9. Question 9

    Which of the following increases the rate of heartbeat?
    1. Peripheral nerves
    2. Sympathetic nerves
    3. Parasympathetic nerves
    4. Cranial nerves
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  10. Question 10

    Brain receives and sends signals in the form of ………
    1. Chemical impulses
    2. Magnetic impulses
    3. Mechanical impulses
    4. Electrical impulses
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  11. Question 11

    Presbyopia is a visual defect caused by:
    1. Elongation of the eyeball
    2. Shortened curvature of the eye lens
    3. Weakening of the ciliary muscles
    4. Gradually increasing flexibility of the eye lens
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  12. Question 12


    Eyes must be removed within ……… hours after death for eye donation.
    1. 6
    2. 8
    3. 12
    4. 24
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  13. Question 13

    When the person is alert, with open eyes and actively trying to solve some complex problem, the ECG shows which of the following waves?
    1. Alpha
    2. Beta
    3. Delta
    4. Gamma
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  14. Question 14

    Which of the following is not a part of the brain?
    1. Medulla
    2. Thalamus
    3. Pons
    4. Pirina
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  15. Question 15

    The shape of the outer part of the ear is like a ………
    1. Funnel
    2. Plate
    3. Drum
    4. Disc
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  16. Question 16

    Consider the following statements.
    I. Central nervous system consists of brain and spinal cord.
    II. Rabbit has 37 pairs of spinal nerves.
    III. Humans have 31 pairs of spinal nerves.
    Which of the statements given are correct?
    1. I, II and III
    2. I and II
    3. II and III
    4. I and III
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  17. Question 17

    Consider the following statements.
    I. Cerebrum of human brain is most highly developed as compared to others.
    II. Hypothalamus part of brain is centre of thirst, hunger and sleep.
    III. The smallest structural and functional unit of nervous system is neuron.
    IV. The longest cells of human body is neuron cell.
    Which of the statements given above are correct?
    1. I and II
    2. II and IV
    3. III and IV
    4. I, II, III and IV
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  18. Question 18

    Assertion (A): Human sense of smell is relatively poor.
    Reason (R): Olfactory receptors are limited to only small areas of the nasal chamber.
    1. If both A and R are true and R is the correct explanation of A
    2. If both A and R are true, but R is not the correct explanation of A
    3. If A is true, but R is false
    4. If both A and R are false
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  19. Question 19

    Assertion (A): After hearing a sound, nerve impulse passes from neurons to the brain.
    Reason (R): The neuron which passes nerve impulses from the body organ to the brain is called afferent neuron.
    1. Both A and R are true and R is the correct explanation of A
    2. Both A and R are true, but R is not the correct explanation of A
    3. A is true, but R is false
    4. A is false, but R is true
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  20. Question 20

    The image of an object formed on the retina of the eye is:
    1. Virtual and erect
    2. Real and erect
    3. Virtual and inverted
    4. Real and inverted
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