ICSE Class X Biology 2014 Solved Papers
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A potted plant was taken in order to prove a factor necessary for photosynthesis. The potted plant was kept in the dark for 24 hours. One of the leaves was covered with black paper in the centre. The potted plant was then placed in sunlight for a few hours.
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Question : 48
Total: 93
Why was the plant placed in the dark before beginning the experiment?
Solution:
To make the leaves free from starch.
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