Question

8. A green leaf is bleached before carrying out a starch test. Why?​

Answer 1

Answer:

Chlorophyll is a green pigment and so masks the colour change of the iodine test for starch. Chlorophyll needs to be removed from the leaf i.e. the leaf needs to be ' decolourized' for changes to be observed. A decolourized leaf is pale yellow or green.

Answer 2

Answer:

photosynthesis is the answer