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

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Toddy, a traditional drink popular in parts of southern India, is made by fermenting the sap obtained from palm trees such as Coconut palm or Date palm. The natural fermentation by microorganisms converts the sugars in the sap into alcohol, giving toddy its characteristic mildly alcoholic taste.

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

Palm

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Key Terms

Term
Definition

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

Palm

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

Propionibacterium sharmanii

Are wine and beer distilled?

No

Are whisky, brandy and rum distilled?

Yes

Alexander Fleming discovered penicillin while working with which bacteria?

Staphylococcus

Which enzymes are useful for removing oily stains from clothes?

Lipases

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TermDefinition

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

Palm

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

Propionibacterium sharmanii

Are wine and beer distilled?

No

Are whisky, brandy and rum distilled?

Yes

Alexander Fleming discovered penicillin while working with which bacteria?

Staphylococcus

Which enzymes are useful for removing oily stains from clothes?

Lipases

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?

Streptokinase

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

Trichoderma polysporum

Function- immunosuppressive agent

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

Monascus purpureus

Blood chloesterol lowering agent

Are wine and beer prepared by distillation?

No

Are brandy, whisky and rum prepared by distillation?

Yes

Alexander Fleming discovered Penicillin while working on which bacteria?

Staphylococcus

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

Lipases

Clot buster used by myocardial infarction patients is obtained from

Streptokinase is obtained from Streptococcus

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

Monascus purpureus

Cholesterol lowering agent

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

Trichoderma polysporum

Immunosuppressive agents

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

Hydrogen sulphide, carbon dioxide and methaane

How deep is the concrete tank used in biogas plant?

10-15 feet deep

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

Aphids and mosquitoes

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

Trichoderma

The biogas plant was developed in India by

Indian Agricultural Research Institute and Khadi & Village Industries Commission.

Can nicotine be used as an insecticide?

Yes

Rotenone is a natural insecticide obtained from

Derris elliptica

Azadirachtin is a natural insecticide obtained from

Neem