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

7th Class Science Sample Paper Science Olympiad Model Test Paper-6

  • question_answer
    The process of combination of simple food molecules with oxygen to produce energy is called______.

    A) Transportation

    B) Respiration

    C) Digestion

    D) Both a and b

    E) None of these

    Correct Answer: B

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