Question 7
A potted plant has one of its leaves half-covered with black paper. The plant was kept in a dark cupboard for 48 hours. The plant was then removed from the cupboard and put in bright sunlight for several hours. The covered leaf was then plucked from the plant to test for starch with iodine solution.
Why was the plant put in bright sunlight afterwards?
Why was the plant put in bright sunlight afterwards?
