Q. Sewage or municipal waste should not be directly passed into rivers, streams and other water bodies because I. it contains human excreta and other organic waste II. it contains a number of pathogenic microbes Which of the statement given above is/are correct?
A) Only I
B) Only II
C) Both (a) and (b)
D) None of the above
Explanation
Sewage or municipal waste should not be directly passed into rivers, streams and other water bodies because it is not only contains human excreta and other organic waste but a number of pathogenic microbes. It is made less polluting by passing it through Sewage Treatment Plants (STPs)
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.