Question

A. Fill in the blanks :- (5)
3. Plants trap only ________% of the sun's energy.

4. The unit of the nervous system is the__________₹

5. The eyeball is__________ in shape

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Answer 1

Explanation:

3 .23•/•

4.ask question properly

5 .The eye is not shaped like a perfect sphere, rather it is a fused two-piece unit, composed of an anterior (front) segment and the posterior (back) segment. The anterior segment is made up of the cornea, iris and lens.

Answer 2

Explanation:

1) 23%

2) nerve cell or neuron

The basic unit of the nervous system is a nerve cell, or neuron. The human brain contains about 100 billion neurons.

3) not perfect sphere

The eye is not shaped like a perfect sphere, rather it is a fused two-piece unit, composed of an anterior (front) segment and the posterior (back) segment. The anterior segment is made up of the cornea, iris and lens.