Assertion :Cells vary in shape and size in different organs and organisms. Reason: The shape and size of cells are not related to the function they perform.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is C Assertion is correct but Reason is incorrect
Cell shapes vary alomgetih their size in different organs and organisms. These variations are for aiding the functions they perform. For example, RBCs are biconcave to provide more surface area for absorption of oxygen. Ovum is large for nourishment whereas the sperms are small for locomotion.
Thus, the correct answer is 'Assertion is correct but Reason is incorrect.'

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