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Biology NEET > XII: Chapter 10- Microbes in human welfare > Flashcards

XII: Chapter 10- Microbes in human welfare Flashcards

1
Q

Toddy a traditional drink of some parts of southern india is made by fermenting sap from

A

Palm

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2
Q

The holes in swiss cheese are due to the production of large amount of carbon dioxide by a bacterium named

A

Propionibacterium sharmanii

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3
Q

Are wine and beer distilled?

A

No

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4
Q

Are whisky, brandy and rum distilled?

A

Yes

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5
Q

Alexander Fleming discovered penicillin while working with which bacteria?

A

Staphylococcus

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6
Q

Which enzymes are useful for removing oily stains from clothes?

A

Lipases

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7
Q

What is used as a clot buster for removing clots from the blood vessels of patients who have undergone myocardial infarction leading to heart attack?

A

Streptokinase

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8
Q

Cyclosporin A is produced by which organism? What is its function?

A

Trichoderma polysporum

Function- immunosuppressive agent

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9
Q

Statins are produced by which organism? What is its function?

A

Monascus purpureus

Blood chloesterol lowering agent

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10
Q

Are wine and beer prepared by distillation?

A

No

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11
Q

Are brandy, whisky and rum prepared by distillation?

A

Yes

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12
Q

Alexander Fleming discovered Penicillin while working on which bacteria?

A

Staphylococcus

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13
Q

Which enzyme can be used to remove oil stains from fabric?

A

Lipases

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14
Q

Clot buster used by myocardial infarction patients is obtained from

A

Streptokinase is obtained from Streptococcus

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15
Q

Statins are used for which purposes? Which organsims are they obtained from?

A

Monascus purpureus

Cholesterol lowering agent

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16
Q

Cyclosporin A is used for which purposes? Which organsims is it obtained from?

A

Trichoderma polysporum

Immunosuppressive agents

17
Q

Which gases are produced by anaerobic bacteria in sewage treatment plant?

A

Hydrogen sulphide, carbon dioxide and methaane

18
Q

How deep is the concrete tank used in biogas plant?

A

10-15 feet deep

19
Q

Ladybirds and dragonflies can be used to get rid of which insect pests?

A

Aphids and mosquitoes

20
Q

Name a free living fungus species very common in root ecosystem and can act as an effective biocontrol agent?

A

Trichoderma

21
Q

The biogas plant was developed in India by

A

Indian Agricultural Research Institute and Khadi & Village Industries Commission.

22
Q

Can nicotine be used as an insecticide?

23
Q

Rotenone is a natural insecticide obtained from

A

Derris elliptica

24
Q

Azadirachtin is a natural insecticide obtained from

Biology NEET (39 decks)

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