9 Microbes in Human Welfare Multiple Choice Questions (MCQS) with Answers | Microbes in Human Welfare Quiz

Microbes in Human Welfare MCQs | Microbes in Human Welfare Multiple Choice Questions (MCQS) with Answers

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Questions
1 Group of bacteria used in biogas production is
A Methane
B Methanol
C Oxygen
D NO2

Answer:NO2
2 In 1928, a scientist discovered the first effective antibiotic. Scientist and antibiotic are:
A Fleming – Streptomycin
B Fleming – Penicillin
C Waksman – Penicillin
D Waksman – Streptomycin

Answer: Fleming – Penicillin
3 Azolla has a symbiotic association with :
A Rhizobium
B Anabaena
C Nostoc
D Azospirillium

Answer: Anabaena
4 Devine and collego are:
A Bioinsecticides
B Biofungicide
C Bioherbicides
D Rodenticides

Answer:Bioherbicides
5 My chorrhiza means
A Symbiosis between fungus and plants
B Symbiosis between plant and bacteria
C Symbiosis between algae and fungus
D Symbiosis between michorrrhiza of fungus of water and bacteria

Answer: Symbiosis between algae and fungus
6 Azospirillium and Azotobector for example of.....
A Decomposers
B Free living N2 fixative
C Symbiotic N2 fixative
D Pathogenes

Answer:Free living N2 fixative
7 Which pair is odd ?
A Yeast - Ethanol
B Penicillium – Penicillin
C Methenogens - Biogas
D Streptococus - Statins

Answer:Streptococus - Statins
8 Which living organism works as bio-fertiliser ?
A Azolla
B Clostridium
C Azetobactor
D Rhizobium

Answer:Azolla
9 Which micro organism is useful in production of citric acid ?
A Azetobactor
B Penicillium
C Aspergilus niger
D Clostridium

Answer:Aspergilus niger
10 By which process cheese and toddy is obtained ?
A Fermentation
B Distillation
C Pasteurisation
D Hydrolysis

Answer: Fermentation
11 To which BOD is related ?
A Microbes and organic matters
B Organic compound
C Microbes
D None of them

Answer: Organic compound
12 Which organism is useful to produce Riboflavin ?
A Arabia hossipae
B Saccharhomyces Cervisiae
C (a) & (b) both
D None of them

Answer: Arabia hossipae
13 Bacillus thuringiensis is useful in....
A Bio fertiliser
B Biometalogical
C Biotoxic plant
D Bio product plant

Answer: Biotoxic plant
14 Bio fertilizer means
A Crop which shows rapid growth
B Cow dung and agricultural west
C prepared by Anabaena and Nostoc
D None of them

Answer:prepared by Anabaena and Nostoc
15 Which is useful to control Nematodes in cereal crops ?
A Bionematocides
B Fungicides
C Weedicides
D Insecticides

Answer: Weedicides
16 Which sentence is odd ?
A Progesteron is useful as a immuno suppressor
B Statins is useful to reduce cholesterol
C Streptokinase is useful to prevent blood clotting
D Lipase is useful to remove oily stains

Answer:Progesteron is useful as a immuno suppressor
17 Which micro organism is involved in flocs as well as in mychorrhiza ?
A Bacteria
B Virus
C Fungus
D Algae

Answer:Fungus
18 Which is used to prevent blood clotting in blood vessels ?
A Steroids
B Cyclosporin-A
C Streptokinase
D Statins

Answer:Streptokinase
19 Which is to be used in production of swiss cheese ?
A Monascus purpureus
B Clostridium bacterium
C Lacto Bacillus
D Saccharhomyces cerevisiae

Answer:Clostridium bacterium
20 Which option is related with the utility of lectic acid ?
A In fermantation, to prepare pickle
B useful for preparing curd from milk
C To increase the quality of vitamin B12
D All the given

Answer:All the given

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