8th Class General Knowledge Sample Paper General Knowledge Sample Test Paper-9

  • question_answer Which among the following has a 'mixed heart', that is, the heart in which oxygenated and deoxygenated blood is mixed?

    A)  Mammals                    

    B)  Reptiles

    C)  Birds                           

    D)  All of these

    E)  None of these

    Correct Answer: B


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