Question

Explain method testing a leaf for starch

Answer 1

the hot water kills the leaf and the alcohol breaks down the chlorophyll ,taking a green colour out of the leaf. when you put iodine on the leaves, one of them is turn blue - black and other will be a reddish-brown. iodine is an indicator that turn blue-black in the presence of starch

I hope it's help you

If so, please mark me as brainlist