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  3. 9th Class
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9th Class Science Sample Paper Science Olympiad Model Test Paper-6

  • question_answer
    Which one of the following cell organelles plays crucial role in detoxifying many poisons and drugs?

    A) Mitochondria

    B) Smooth endoplasmic reticulum

    C) Ribosome

    D) Vacuoles

    E) None of these

    Correct Answer: B

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