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7th Class Science Transportation in Animals and Plants Question Bank Transportation in Living Beings

  • question_answer
    Which of the following is true about the amount of oxygen and the direction of blood flow in blood vessels P, Q, R and S?       

    A)
    Oxygen content Direction of blood flow
    High Low To the heart From the heart
    Q P S R

    B)
    Oxygen content Direction of blood flow
    High Low To the heart From the heart
    S R P Q

    C)
    Oxygen content Direction of blood flow
    High Low To the heart From the heart
    R Q P R

    D)
    Oxygen content Direction of blood flow
    High Low To the heart From the heart
    S Q P R

    Correct Answer: A

    Solution :

    The given figure oxygen content is high in Q and low in P. S is vein and R is artery.


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