Class 8 General Science Notes: - Unit-2: Human Nervous System: Solved Exercise (MCQs)

(National Book Foundation - New Book/New Syllabus Based on National Curriculum Pakistan 2023-2024 and Onwards)

(Class 8 General Science Notes for 8th Centralized Exam 2023-2024 and onward, FDE, Islamabad)

A. MCQs (Choose the Correct Answers).

1. The basic unit of structure and function of the nervous system is

a. nerve.
b. brain.
c. neuron.
d. spinal cord.

... Answer is b. brain.
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2. Which of the following is not part of the forebrain?

a. Cerebellum.
b. Cerebrum.
c. Thalamus.
d. Hypothalamus.

... Answer is a. Cerebellum .
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3. Withdrawal of a hand touching a hot object is an example of

a. reflex action.
b. reflex arc.
c. voluntary action.
d. conscious activity.

... Answer is a. reflex action.
See the examples of reflex action. 

4. Everything you do is controlled by

a. respiratory system.
b. circulatory system.
c. digestive system.
d. nervous system.

... Answer is d. nervous system.
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5. Nervous system is made up of

a. brain, spinal cord, and heart.
b. brain, spinal cord, and blood vessels.
c. nerves, arteries, and veins.
d. brain, spinal cord, and nerves.

... Answer is d. brain, spinal cord, and nerves.
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6. Neuron cell fibres that conduct nerve impulses toward the cell body are

a. axons.
b. dendrites.
c. myelin sheath.
d. nerve.

... Answer is b. dendrites.
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7. Brain stem includes all EXCEPT :

a. medulla oblongata.
b. midbrain.
c. cerebellum.
d. pons.

... Answer is c. cerebellum.
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8. Which is the largest part of the brain?

a. Brain stem.
b. Hypothalamus.
c. Thalamus.
d. Cerebrum.

... Answer is d. Cerebrum
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9. Which part of the brain keeps you breathing?

a. Cerebrum.
b. Thalamus.
c. Hypothalamus.
d. Medulla oblongata.

... Answer is d. Medulla oblongata.
-----------------
 

10. Which part of the nervous system will help you to keep balance while riding a bicycle?

a. Spinal cord.
b. Pons.
c. Cerebellum.
d. Cerebrum.

... Answer is d. Cerebrum.
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Click Here for Unit-2: Solved Short and Long Questions and Answers

Class 8 General Science Notes

Source: General Science Book (National Book Foundation, Pakistan)

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