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Environmental Biotechnology MCQ Questions & Answers | Biotechnology

Learn and Practice Environmental Biotechnology MCQ Questions & Answers Available for Biotechnology Engineering Students to Clear GATE Exams, Technical Interviews, Competitive Examinations, and Other Entrance Exams. The Environmental Biotechnology Chapter is Especially Important for Biotechnology Engineering and GATE Students. Page-3 section-1

21
Which of the following affects the ozone concentration in troposphere?
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Answer: Option B
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22
After sedimentation, the water is next passed through sand filter beads, a process which removes . . . . . . . . bacteria.
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Answer: Option D
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23
A bacterium useful in bioleaching of metals from low grade ores is
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Answer: Option C
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24
The combination of primary and secondary treatment reduces the original sewage BOD by
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Answer: Option C
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25
Which of the following industries do not produce hazardous waste?
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Answer: Option A
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26
Ballast water may be carried on-board by ships to maintain stability and improve manoeuvrability during transit. Introduction of which one of the following is regarded as the major threat in release of untreated ballast water?
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Answer: Option C
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27
The enteroviruses are the ones most commonly found in sewage, they include
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Answer: Option D
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28
Which one of the following is not biodegradable?
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Answer: Option D
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29
Plants suitable for bio monitoring of SO2 pollution are
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Answer: Option A
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30
In colloidal chemical substance, the light undergoes
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Answer: Option C
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