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A well-watered healthy potted plant with...

A well-watered healthy potted plant with variegated leaves was kept in darkness for about 24 hours. It was then set-up as shown in the diagram below and exposed to light for about 12 hours. At the end of this time, leaf X and leal y were tested for starch. Study the diagram and answer the questions that follow

Select the correct leaf from the five available choices shown in the diagram as A, B, C, D and E Rewrite the correct answer by filling in the appropriate letter for the questions that follow :
After the starch test, leaf X would look like ........

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