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Subject :NSO    Class : Class 4

The given experimental set-up was put in sunlight for a few days. Then leaves X and Y were plucked and iodine test was performed on them. What would you observe?

ALeaf X will completely turn blue black.
BLeaf Y will remain colourless.
CLeaf X will remain colourless at the part covered with dark paper.
DLeaf Y will show blue black colour on tip only.

Can you tell the answer to this question

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