Question

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. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
• B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
• C. If the assertion is true but the reason is false
• D. If both the assertion and reason are false

Answer 1

The correct option is A If both the assertion and the reason are true and the reason is a correct explanation of the assertion

The duck billed platypus and the spiny anteater are primitive oviparous reptiles like mammals and these are included in subclass prototheria of class mammalia . Both of them have 12 pairs of cranial nerves and 7 pairs of cervical nerves.

So, the correct answer is 'If both the assertion and the reason are true and the reason is a correct explanation of the assertion'