7th Class Science Wastewater Story Question Bank Wastewater Story

  • question_answer DIRECTIONS: The questions in this segment, consists of two statements, one labeled as "Assertion A" and the other labeled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): In a WWTP, waste water is y? passed through bar screens, where large objects are removed. Reason (R): Dried sludge is used as a manure returning organic matter, water and nutrients to the water

    A) Both A and R are true and R is the correct explanation of A.

    B) Both A and R are true but R is not the correct explanation of A.

    C) A is true but R is false.

    D) A is false but R is true.

    Correct Answer: C

    Solution :

    The organic matter and nutrients are returned to soil and not water.


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