Microbes in Human Welfare(In household Food Processing, Industrial Production, Sewage Treatment, Energy Generation and as Biocontrol Agents and Biofertilizers.) NEET Questions

Biology - Biology and Human Welfare

Microbes in Human Welfare(In household Food Processing, Industrial Production, Sewage Treatment, Energy Generation and as Biocontrol Agents and Biofertilizers.) MCQ Questions


13.
Which of the following is a microbial biocontrol agent?
A.
Trichoderma
B.
Azotobacter
C.
Lactobacillus
D.
Nostoc
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ANSWER :
A. Trichoderma
14.
Antibiotic Penicillin is extracted from which microorganism?
A.
Penicillium notatum
B.
Streptomyces
C.
Aspergillus
D.
Rhizopus
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ANSWER :
A. Penicillium notatum
15.
Which biofertilizer is associated with leguminous plants?
A.
Rhizobium
B.
Azotobacter
C.
Nostoc
D.
Frankia
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ANSWER :
A. Rhizobium
16.
Which microbe is used in the formation of roquefort cheese?
A.
Propionibacterium
B.
Penicillium roqueforti
C.
Lactobacillus
D.
Saccharomyces
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ANSWER :
B. Penicillium roqueforti
17.
The bacteria responsible for sewage treatment in activated sludge are mostly:
A.
Heterotrophic bacteria
B.
Cyanobacteria
C.
Methanogens
D.
Chemolithotrophs
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ANSWER :
A. Heterotrophic bacteria
18.
Which microbes are employed in secondary sewage treatment?
A.
Methanogens
B.
Cyanobacteria
C.
Heterotrophic bacteria
D.
Algae
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ANSWER :
C. Heterotrophic bacteria