7th Class Science Wastewater Story Question Bank Wastewater Story

  • question_answer 2) Select the one that is incorrect for vermin processing toilet.

    A) It is a new method and has been recently tested in India.

    B) It is a novel, low water use toilet that is safe for processing of human waste

    C) In it the human excreta is treated by round worms and cockroaches

    D) In it the human excreta is completely converted to vermi-cakes

    Correct Answer: C

    Solution :

    In it the human excreta is treated with earth worms.

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