AIIMS 2014 Biology Question Paper for free online practice with solutions

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Question : 49 of 60

Marks: +1, -0

Assertion : Mammals have developed a complex respiratory system.
Reason : Mammalian skin is impermeable to gases.

Both Assertion and Reason are true and Reason is the correct explanation of Assertion
Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion
Assertion is true but Reason is false
Both Assertion and Reason are false

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