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Earn 100

Read the following statements w.r.t. activated sludge and select correct option:

A. After secondary treatment, microbial flocs are allowed to settle down, which is called as activated sludge.

B. The major part of the sludge is pumped into large tanks called anaerobic sludge digester.

C. It is generally released into natural water bodies like rivers and streams.

62.96% studentsanswered this correctly

Important Questions on Microbes in Human Welfare

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IMPORTANT
DPP UNIT VII & VIII GENETICS AND EVOLUTION UNIT VIII BIOLOGY IN HUMAN WELFARE NEET VOLUME 5>Chapter 6 - Microbes in Human Welfare>TOPICWISE QUESTIONS>Q 61

In the sewage treatment process, a mixture of gases CH4, CO2, and H2S are produced during the digestion of/by 

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IMPORTANT
DPP UNIT VII & VIII GENETICS AND EVOLUTION UNIT VIII BIOLOGY IN HUMAN WELFARE NEET VOLUME 5>Chapter 6 - Microbes in Human Welfare>TOPICWISE QUESTIONS>Q 62
Tertiary treatment in sewage treatment plant
EASY
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IMPORTANT
DPP UNIT VII & VIII GENETICS AND EVOLUTION UNIT VIII BIOLOGY IN HUMAN WELFARE NEET VOLUME 5>Chapter 6 - Microbes in Human Welfare>TOPICWISE QUESTIONS>Q 63

The sewage matter is treated till the BOD is reduced. Identify the treatment process

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IMPORTANT
DPP UNIT VII & VIII GENETICS AND EVOLUTION UNIT VIII BIOLOGY IN HUMAN WELFARE NEET VOLUME 5>Chapter 6 - Microbes in Human Welfare>TOPICWISE QUESTIONS>Q 64
The domestic sewage in large cities
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IMPORTANT
DPP UNIT VII & VIII GENETICS AND EVOLUTION UNIT VIII BIOLOGY IN HUMAN WELFARE NEET VOLUME 5>Chapter 6 - Microbes in Human Welfare>TOPICWISE QUESTIONS>Q 65
What are the components of biogas?
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IMPORTANT
DPP UNIT VII & VIII GENETICS AND EVOLUTION UNIT VIII BIOLOGY IN HUMAN WELFARE NEET VOLUME 5>Chapter 6 - Microbes in Human Welfare>TOPICWISE QUESTIONS>Q 66

The figure given below shows a typical biogas plant. Which of the following four option products labeled as A, B, and C are correctly identified?

Question Image

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IMPORTANT
DPP UNIT VII & VIII GENETICS AND EVOLUTION UNIT VIII BIOLOGY IN HUMAN WELFARE NEET VOLUME 5>Chapter 6 - Microbes in Human Welfare>TOPICWISE QUESTIONS>Q 67
Choose the incorrect statement with respect to biogas.
EASY
NEET
IMPORTANT
DPP UNIT VII & VIII GENETICS AND EVOLUTION UNIT VIII BIOLOGY IN HUMAN WELFARE NEET VOLUME 5>Chapter 6 - Microbes in Human Welfare>TOPICWISE QUESTIONS>Q 68
The technology of biogas production was developed in India mainly due to the efforts of