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.
Brandy is produced by distillation of:
A.
Fermented barley
B.
Fermented sugarcane molasses
C.
Fermented honey
D.
Fermented fruit juice (such as grape juice)
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ANSWER :
D. Fermented fruit juice (such as grape juice)
14.
Penicillin, the first commercially produced antibiotic, was discovered by:
A.
Louis Pasteur
B.
Robert Koch
C.
Edward Jenner
D.
Alexander Fleming
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ANSWER :
D. Alexander Fleming
15.
The fungus Penicillium notatum, source of the antibiotic penicillin, was found by Fleming because it inhibited the growth of:
A.
Lactobacillus
B.
Streptococcus
C.
E. coli
D.
Staphylococci
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ANSWER :
D. Staphylococci
16.
Full potential of penicillin as an effective antibiotic was established by:
A.
Ernst Chain and Howard Florey
B.
Selman Waksman
C.
Fleming alone
D.
Louis Pasteur
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ANSWER :
A. Ernst Chain and Howard Florey
17.
Fleming, Chain and Florey were awarded the Nobel Prize in 1945 for their work on:
A.
DNA structure
B.
Vaccines
C.
Penicillin
D.
Insulin
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ANSWER :
C. Penicillin
18.
The term 'antibiotic' literally means:
A.
Against life
B.
Against fungi
C.
Against bacteria only
D.
Against viruses
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ANSWER :
A. Against life