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Question

Select and rewrite the correct answer.

A destarched plant is only that plant whose:


A

Leaves are free from chlorophyll

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B

Aerial parts are free from starch

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C

Leaves are free from starch

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D

Plant is free from starch

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Solution

The correct option is C

Leaves are free from starch


(C) Leaves are free from starch

  1. Leaves of a destarched plant do not turn blue-black with iodine (a test of starch).
  2. The color of the destarched plant leaves does not show any reaction with the iodine test.
  3. The plant's leaves react with iodine and its color changes to blue-black showing presence of starch.

A destarched plant is only that plant whose leaves are free from starch.


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