Question

starch leaves test....

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Answer 1

Answer:

a) Because chlorophyll needs to be removed before performing the starch test.

b) It's color changes to blue and black because of the reaction of iodine and starch present.

c)It's proved that chlorophyll is required for photosynthesis the green portions A and yellow portions B are observed

Explanation:

So Variegated leaf experiment helps to demonstrate that chlorophyll is essential for photosynthesis.