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scientific reasons[2 marks ]

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2 questions · self-marked practice — reveal the answer and mark yourself.

Question 12 Marks
An owl can see very well in the night.
Answer
$-$The owl has very large cornea and a large pupil to allow more large in its eye.
$-$It has on its retina a large number of rods which are sensitive to dim light.
$-$Therefore, owl can see very well in the night.
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Question 22 Marks
We should include in the diet component, which have vitamin $A.$
Answer
$-$Lack of vitamin $A$ in the foodstuff is responsible for many eye diseases.
$-$We should take vitamin $A$ in proper proportion in our diet to keep our eyes healthy.
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scientific reasons[2 marks ] - Science STD 8 Questions - Vidyadip