Question

If two similar potted plants A &B are taken such that : Plant A is kept in dark or a black box for 72 hours (3 days) , Plant B is kept in sunlight. Iodine test is conducted with the leaves of both plants. Which plant leaf would tests positive for the test and why ?

Answer 1

Answer:

The plant in the sunlight shows blue black colour when iodine test is performed...

Chlorophyll needs sunlight and the leaf in the dark will die as its kept in the dark and no sunlight reaches there.

Answer 2

Answer:

answer is wrong my teacher said