NEET Biology Animal Kingdom Question Bank Assertion and Reason

  • question_answer
    Assertion : The duck-billed Platypus and the spiny ant-eater, both are egg-laying animals yet they are grouped under mammals. [AIIMS 2005] Reason : Both of them have seven cervical vertebrae and 12 pairs of cranial nerves.  [AIIMS 2005]

    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

    E) If the assertion is false but reason is true

    Correct Answer: A

    Solution :

    The duck billed platypus and the syiny anteater are primitive oviparous, reptiles like mammals and there inculude in subclass prothotheria of class mammalia. Both of them have 12 pairs cranial nerves and 7 cervicals.


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