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Why is the pupil of the eye black ?
Question 1:
Why is the pupil of the eye black ?
A.
All of these
B.
It contains black pigments.
C.
The tissue right behind the pupil is black.
D.
Most of the light that enters the pupil is absorbed by the tissues inside the eye.
These questions are from this test. Would you like to take a practice test?
Trivial Practice Quiz science-technology - Test 115 | Englishfreetest.com
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15 questions
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