Microbes In Human Welfare Question 46
Question: Sewage or municipal sewer pipes should not be directly left 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?
Options:
A) Only (i)
B) Only (ii)
C) Both [a] and [b]
D) None of the above
Show Answer
Answer:
Correct Answer: C
Solution:
[c] Sewage or municipal waste should not be directly passed into rivers, streams and other water bodies because it does not only contain human excreta and other organic waste but a number of pathogenic microbes.
It is made less pollution by passing it through Sewage Treatment Plants (STPs).
BETA
