6th Class Science Sample Paper Science Olympiad Model Test Paper-20

  • question_answer
    Which one of the following statements is correct?

    A) The blue dustbin is used for collecting dry plant leaves and vegetable peels.

    B) The green dustbin is used for collecting glass and metal objects.

    C) Incineration is used to prepare manure by composting.

    D) The garbage which can rot in nature to form harmless substances is biodegradable.

    E) None of these

    Correct Answer: D


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