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Question
Assertion (A): Iodine solution makes the nucleus more distinct.
Reason (R): Nucleus contains starch which becomes blue-black upon absorbing the iodine solution.
Options
A is True and R is False.
A is False and R is True.
Both A and R are True.
Both A and R are False.
MCQ
Assertion and Reasoning
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Solution
Both A and R are True.
Explanation:
A is true. Iodine is a stain that improves the visibility of cell features, particularly the nucleus. R is false. The nucleus does not contain starch. The blue-black reaction involves starch, not the nucleus.
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