2. Sample Papers
  3. 7th Class
  4. Science

7th Class Science Sample Paper Science Sample Paper - 6

  • question_answer
    Choose the correct option:
    (iv) The colour of blood is red due to the presence of

    A) Chlorophyll                               

    B) Haemoglobin

    C) Oxygen                                    

    D) \[C{{O}_{2}}\]

    Correct Answer: B

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