Assertion :Excretion in cockroach occurs by Malpighian tubules. Reason: Each Malpighian tubule is lined by non-ciliated columnar 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 C Assertion is correct but Reason is incorrect
Excretion in cockroach is performed by Malpighian tubules. Each tubule is lined by glandular and ciliated cells. They adsorb nitrogenous waste products and convert them into uric acid which is excreted out through the hindgut.

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