SSC General Science & Technology Sample Paper NCERT Sample Paper-5

  • question_answer
    A four-chambered heart is not found in

    A)  Birds   

    B)  snake

    C)  Mammals        

    D)  crocodile

    Correct Answer: B

    Solution :

    [b] Hearts of birds, mammals, and crocodiles are four-chambered. There are two auricles above and two ventricles below the auricles. The heart of snake is three-chambered, interventricular septum incomplete.


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