Assertion :Fibre tracheids in xylem provide mechanical support to the plant. Reason: Tracheids have secondary walls deposited with lignin

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 A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Tracheids are elongated or tube-like cells with thick and a lignified walls and tapering ends. These are dead and are without protoplasm that provides space for conduction of various minerals. The cell wall is thickened which vary in form and provide mechanical support to the plant.
So the correct option is 'Both Assertion and Reason are correct and Reason is the correct explanation for Assertion'.

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