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


1.
Which microbe is used to produce ethanol on a commercial scale?
A.
Lactobacillus
B.
Streptococcus
C.
Saccharomyces cerevisiae
D.
Azotobacter
😑 View Answer Rough Work Error
ANSWER :
C. Saccharomyces cerevisiae
2.
Which microorganism is involved in the production of Swiss cheese?
A.
Propionibacterium shermanii
B.
Lactobacillus bulgaricus
C.
Streptococcus thermophilus
D.
Aspergillus niger
😑 View Answer Rough Work Error
ANSWER :
A. Propionibacterium shermanii
3.
Which bacterium is used in the production of acid and gas to create the holes in Swiss cheese?
A.
Streptococcus
B.
Propionibacterium
C.
Penicillium
D.
Lactobacillus
😑 View Answer Rough Work Error
ANSWER :
B. Propionibacterium
4.
Which of the following is used as a biofertilizer in paddy fields?
A.
Anabaena
B.
Rhizobium
C.
Azospirillum
D.
Nostoc
😑 View Answer Rough Work Error
ANSWER :
A. Anabaena
5.
Which fungi is commonly used for industrial production of citric acid?
A.
Aspergillus niger
B.
Saccharomyces cerevisiae
C.
Trichoderma
D.
Penicillium
😑 View Answer Rough Work Error
ANSWER :
A. Aspergillus niger
6.
Which is a free-living nitrogen-fixing bacterium?
A.
Rhizobium
B.
Azotobacter
C.
Nostoc
D.
Anabaena
😑 View Answer Rough Work Error
ANSWER :
B. Azotobacter