Question

When carrying out the starch test on a leaf, why is it important to boil the leaf in alcohol ? Explain?

(a) to dissolve the waxy cuticle

(b) to make the cells more permeable to iodine solution

(c) to remove the chlorophyll

(d) to stop chemical reactions in the cells​

Answer 1

Explanation:

We boil the leaf in alcohol when we are testing it for starch because to remove the green pigment chlorophyll present in it. For the starch test we need to observe the color change from brown to blue when iodine is put on the leaf.