Assertion :Phloem fibres or blast fibres are made up of collenchymatous cells Reason: Phloem fibres are generally found in primary phloem

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 D Both Assertion and Reason are incorrect
Fibres are thin, long and provide mechanical support.
Sclerenchyma fibres found in the phloem are called phloem or bast fibres. Phloem fibres are made up of sclerenchymatous cells. They are generally absent in primary phloem but are quite common in secondary phloem.
Hence, the correct answer is (D)

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