Assertion :In plants vessels are better conductors than tracheids. Reason: Vessel elements are shorter than tracheids.

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
The final or end walls of the single vessels are perforated, unlike tracheids. It makes wood vessels more efficient water conductors than tracheids. So, the assertion is correct.
Vessel elements are shorter and wider than tracheids. So the reason is also correct. but it's not the reason for the given assertion.
So, the correct option is B.

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