Question

Which among the following is the incorrect?

Blue -black colouration with iodine is due to the absence of starch


sunlight is essential for photosynthesis

destarched portion of leaf do not gives blue-black colouration

leaf left in sunlight will have the presence of starch in it​

Answer 1

Answer:

amylose is the compound that is the responsible for the blue colour it chain from helix shape and iodine can be bound inside this helix pictured below