Question

Suggest why the chlorophyll needs to be removed

Answer 1

Answer:

The chlorophyll needs to be removed as to allow the iodine solution to enter the cell as the green pigment acts as a wall

Answer 2

Suggest why the chlorophyll needs to be removed.

• Greenish colour of chlorophyll can give a wrong indication of positive starch test.

Therefore, chlorophyll is removed by boiling in alcohol & then placing it in hot water before testing for starch.