Assertion :Death of companion cell leads to the death of sieve cells also. Reason: Both companion and sieve are phloem cells.

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 B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
Companion cells and sieve cells are both cells of phloem. Sieve cells lack its own nucleus and therefore its function is controlled by companion cells. Hence, death of companion cell leads to the death of sieve cells also.
Thus, the correct answer is 'Both assertion and Reason are correct but Reason is not the correct explanation for Assertion'

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