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Abhi covered a leaf of potted plant with black paper and kept it under sunlight for a few days and then tested the leaf with iodine solution to check the presence of starch. He was surprised to see that the colour of the covered portion of the leaf did not turn into blue black. What does this indicate?

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An Intiative by Sri Chaitanya

The black colour absorbed the starch present in the leaf

Iodine solution does not work with portion of leaf covered with black

paper

Starch is formed but evaporated as the plant is kept in sunlight for few

days

Starch is prepared only in the presence of light

answer is D.

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