Question

2. Take a potted plant with broad leaves. Take two strips of black paper and cut out a small square in their centres. Cover a part of 2 leaves with these papers and secure them with paper clips. Keep the plant in the sunlight for 2-5 days. Observe the difference in the colour of the covered and uncovered portions on the one leaf.
Perform iodine test on this leaf. Did the 2 parts show difference in their results?
Now take the second leaf, Remove the strip and expose the covered part to the sunlight for 2-3 days and do the iodine test again. Describe your observations

Answer 1

Answer:

Explanation:

In this given experiment where photosynthesis occurs starch is accumulated which reacts with Iodine to give back colour and where light is is not got becomes and reacted with Iodine and seems yellow..

This is correct reason