Assertion :Some mammals have pouch for holding their young one. Reason: The young one's are born immature and so they are kept in brood pouch in the kangaroos.

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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Assertion is correct but Reason is correct.

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
The kangaroos are marsupials which have a pouch called a marsupium. They produce immature and very small young one So, females have pouches in which they complete their remaining development and stay in the pouch for about nine months. Once they completely developed or become mature they came out of the pouch. Thus, the correct answer is option A.

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