A: The duck-billed platypus and the spiny ant | vedclass

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(A) Assertion is correct because the duck-billed platypus and the spiny ant-eater are oviparous (egg-laying) mammals.They are classified as mammals be

Vedclass · Accepted Answer

Assertion and Reason both are correct and Reason is the correct explanation of Assertion.

Vedclass · Answer

(A) Assertion is correct because the duck-billed platypus and the spiny ant-eater are oviparous (egg-laying) mammals.They are classified as mammals because they possess characteristic mammalian features,such as the presence of seven cervical vertebrae in the neck and mammary glands (though they lack teats).Since the Reason provides the specific anatomical evidence that justifies their classification as mammals despite being egg-layers,the Reason is the correct explanation for the Assertion.

$A$: The duck-billed platypus and the spiny ant-eater,both are egg-laying animals yet are grouped under mammals.
$R$: Both of them have seven cervical vertebrae and mammary glands without teats.

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$A$: The duck-billed platypus and the spiny ant-eater,both are egg-laying animals yet are grouped under mammals.$R$: Both of them have seven cervical vertebrae and mammary glands without teats.