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Question Practice

Which of the following statements about sewage treatment is false?

Attempt the question, check the explanation, and continue with similar questions to build confidence before exams.

MCQ_SA
CBSE
Class 12
Biology
Biology
Microbes in Human Welfare
Question Bank

Which of the following stateme...

Single Answer MCQ
Q-00084582

Which of the following statements about sewage treatment is false?

1

Primary treatment is mostly physical.

2

Secondary treatment involves aerobic microbes.

3

Tertiary treatment purifies the sewage completely.

4

Sedimentation happens only in primary treatment.

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