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INTEGRATED SCIENCE PRACTICE QUESTIONS

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NERVOUS SYSTEM

1.

Group of organs which form part of the central nervous system are the

A.

brain, the eyes and the ears.

B.

brain and the spinal cord.

C.

brain, the ears and the spinal cord.

D.

eyes and the spinal cord.

2.

The shape of the lens of the human eye is varied by the action of the

A.

iris.

B.

pupil.

C.

ciliary muscle.

D.

suspensory ligament.

3.

Group of organs which form part of the central nervous system are the

A.

brain, the eyes and the ears.

B.

brain and the spinal cord.

C.

brain, the ears and the spinal cord.

D.

eyes and the spinal cord.

4.

The size of the pupil of the eye is controlled by the

A.

iris.

B.

conjunctiva.

C.

cornea.

D.

lens.

5.

In the reflex arc, the

A.

sensory nerve sends stimulus to the spinal cord.

B.

motor neurone receives the stimulus.

C.

intermediate neurone transmits impulse from the sensory neurone to the motor neurone.

D.

sensory neurone receives impulse from the motor neurone via the intermediate neurone.

6.

The part of the human brain that controls body temperature is

A.

medulla oblongata

B.

hypothalamus

C.

cortex

D.

cerebellum

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