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Questions and Answers
What is the purpose of covering a part of the leaf with black paper in the experiment?
What is the purpose of covering a part of the leaf with black paper in the experiment?
The purpose is to create a controlled condition where only a specific part of the leaf is exposed to sunlight.
What happens to the leaf after it is plucked and the black paper is removed?
What happens to the leaf after it is plucked and the black paper is removed?
The leaf is heated in alcohol and tested for starch.
What does the blue-black color of the tested leaf indicate?
What does the blue-black color of the tested leaf indicate?
The blue-black color indicates the presence of starch, which shows that photosynthesis occurred in the part of the leaf exposed to sunlight.