Question

In the experiment "Light is essential for photosysthesis" why do the uncovered part of the leaves turn blue black after putting iodine solution?

Answer 1

Because the plant was kept in the sunlight.and the leaf which was covered with black sheet was kept in sunlight and it was kept 4-5 hours

Answer 2

Because starch is produced in the uncovered area of leaf which turns blue black in the presence of iodine solution.