Question

Describe how would you test the presence of starch in leaves.
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Answer 1

Answer:

Iodine test.

Explanation:

When you put iodine on the leaves, they will turn blue-black. Iodine is an indicator that turns blue-black in the presence of starch. The leaf that was in the light turns blue-black, which demonstrates that the leaf has been performing photosynthesis and producing starch.

Answer 2

The test for starch is a leaf is an is an extension of the Iodine Test for Starch. Glucose is the product of photosynthesis, and is rapidly converted to granules of starch - a polymer of glucose - for storage. Starch granules have been visualized in the stroma of the chloroplast as well as the cytoplasm.