Question

what is the test to find out weather photosynthesis takes place in plants​

Answer 1

Answer:

Iodine is an indicator that turns blue-black in the presence of starch. The leaf that was in the light turns blue-black, which demonstrates that the leaf has been performing photosynthesis and producing starch. Try the test again with a variegated leaf (one with both green and white) that has been in the sunlight.

Answer 2

Answer:

Iodine test is the best way to find whether photosynthesis takes place in plants.

Explanation:

If the leaf turns blue black on adding iodine this shows the presence of starch.