Q6 of 33 Page 92

Choose the correct option (AS 1)

Sensation is a complex pathway involving -

Sensation involves our sensory organs, nerve impulse and brain. Upon sensing something with our sense organs, our receptors of sensory organs get activated, and signals are sent to the brain via nerve impulses. For example- When we come in contact with something hot, the sensory receptors of our hand detect the hot object. The information is carried to the brain in form of nerve impulse by sensory neurons.

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5

Fill in the blanks with suitable words. Then give reasons why the words are suitable. (AS 1)

The ear drum is the ……………….

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Choose the correct option (AS 1)

This vitamin is essential for the health of eye.

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Choose the correct option (AS 1)

The sound waves if not focused by external pinna and ear canal will result in

 6

Choose the correct option (AS 1)

The muscles of the eyeball of a person becomes non-functional, the invariable


effect would be-