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Assertion: The duck-billed platypus and ...

Assertion: The duck-billed platypus and the spiny anteater, both are egg-laying animals yet they are grouped under mammals.
Reason: Both of them have seven cervical vertebrae and 12 pairs of cranial nerves.

A

Both Assetion and Reason are true and Reason is the correct exp lanation of Assertion

B

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

C

Assertion is true, but Reason is false

D

Reason is true, but Assertion is false

Text Solution

Verified by Experts

The correct Answer is:
A
Spiny anteater and duck-billed platypus belong to subclass-Prototheria of class-Mammalia. These ar connecting link between reptiles and mammals. Prototherians are egg laying mammals. Seven cerivival vertebrae and 12 pairs of cranial nerves is characteristic feature of mammals.
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