Microbes in Human Welfare Chapter-Wise Test 10

Correct answer Carries: 4.

Wrong Answer Carries: -1.

Which microbe is used in the production of alcoholic beverages like whiskey and rum?

Lactobacillus
Acetobacter
Saccharomyces cerevisiae
Clostridium butylicum
3

Saccharomyces cerevisiae (yeast) is used for the fermentation of sugars to produce alcoholic beverages.

Which of the following microbes is used in the fermentation of soybeans to produce traditional foods?

Rhizopus
Lactobacillus
Penicillium
Pseudomonas
1

Rhizopus is used in the fermentation of soybeans to make traditional foods like tempeh.

Which of the following microbes is commonly used in the production of single-cell protein (SCP)?

Methanobacterium
Spirulina
Pseudomonas
Clostridium
2

Spirulina is a cyanobacterium used in the production of single-cell protein (SCP) due to its high protein content.

Which of the following microbes is used in the production of citric acid?

Aspergillus niger
Saccharomyces cerevisiae
Pseudomonas
Clostridium
1

Aspergillus niger is used in the industrial production of citric acid.

Which of the following microbes is commonly used in biofertilizers?

Rhizobium
Pseudomonas
Saccharomyces cerevisiae
Bacillus thuringiensis
1

Rhizobium is a nitrogen-fixing bacterium that forms symbiotic associations with leguminous plants.

Which of the following is an example of a microbe that helps in insect pest control?

Pseudomonas
Streptomyces
Bacillus thuringiensis
Saccharomyces
3

Bacillus thuringiensis produces insecticidal proteins that kill pests like caterpillars.

Which microorganism produces bioactive molecules called statins, used to lower cholesterol?

Monascus purpureus
Aspergillus niger
Penicillium
Saccharomyces cerevisiae
1

Monascus purpureus produces statins, which act as cholesterol-lowering agents.

Which biofertilizer is commonly used for enhancing phosphorus absorption in plants?

Rhizobium
Azospirillum
Glomus
Anabaena
3

Glomus forms mycorrhizal associations with plant roots and enhances phosphorus absorption.

Which of the following microbes is used for clarifying bottled fruit juices?

Lipase
Pectinase
Protease
Amylase
2

Pectinase is used to break down pectin in fruit juices, making them clearer.

Which of the following bioactive molecules is used as an immunosuppressant?

Statins
Streptokinase
Cyclosporin A
Penicillin
3

Cyclosporin A, produced by Trichoderma polysporum, is used to suppress the immune system in organ transplants.

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