Question

How would you test the presence of starch in leaves?
Topic: Nutrition in Plants

Answer 1

To test the presence of starch in leaves we firstly boil the leave and then we add iodine with it, it will change its color to blue black.

Answer 2

Dear Student,

◆ Answer -

Presence of starch in the leaves is checked by iodine test.

● Iodine test -

• Aqueous solution of iodine is brown in color.
• To check presence of starch, drop of aqueous iodine solution is poured over the leaf.
• If starch is present, leaf will turn into blue-black color.
• If starch is absent, original color of iodine is retained.

Thanks dear. Hope this helps you...