ICSE Class X Biology 2019 Solved Papers
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The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the questions that follow :
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Question : 48
Total: 96
What will you observe in the experimental leaf after the starch test?
Solution:
The area that was covered with black paper turns brown colour showing absence of starch whereas the exposed parts of the leaf turns blue black colour showing positive test for starch.
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