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  5. Transportation in Animals and Plants

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

  • question_answer
    Which of the following is responsible for the red colour of red blood cells?

    A) blood             

    B) Haemoglobin

    C) platelets          

    D) none of these

    Correct Answer: B

    Solution :

    The red colour is due to presence of haemoglobin.


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