TREE PHYSIOLOGY
PHOTOSYNTHESIS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What chemical is used to test for the presence of starch in a leaf?
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Benedict’s Reagent
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Biuret Reagent
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Iodine
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Ethanol
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Explanation:
Detailed explanation-1: -The presence of starch in leaves can be tested by the Iodine test. When we remove chlorophyll from the leaf by boiling it in alcohol and then putting two drops of iodine solution, it is a colour change to blue indicates the presence of starch.
Detailed explanation-2: -The correct option is A True Iodine is used to test the presence of starch.
Detailed explanation-3: -A chemical used to test starch is iodine.
There is 1 question to complete.