Rohit placed a potted plant in a room in complete darkness.
After three days, he takes out the plant and tests the leaf for the presence of starch. Answer the following questions –
(a) How is starch test done?
(b) Will the starch test be negative or positive?
(c) Give reason for your answer?
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a. the starch test is done by putting drops of iodine solution on the leaf.
b. the starch would be abscent
c. because as it was kept in darkness there would have been no photosynthesis and starch is a result of photosynthesis so if no photosynthesis no starch.
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