2. Sample Papers
  3. 9th Class
  4. Science

9th Class Science Sample Paper Science Olympiad Model Test Paper-7

  • question_answer
    Secretion of enzymes, mucous and hormones is done by:

    A) Golgi apparatus

    B)  mitochondria

    C)  Plastids

    D)  ribosome

    E)  None of these

    Correct Answer: A

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