Biology > 2016 > 22
WASSCE
The steps below are involved in the testing of a leaf for starch.
Study them carefully and answer this question
I. Decolorize leaf
II. Dip decolorized leaf in warm water
III. Place leaf in boiling water
IV. Add iodine solution
The best time to pluck the leaf for the experiment is
A.
after being exposed to sunlight
B.
three hours after sunset
C.
before sunrise
D.
six hours after sunset
Answer: A
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