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Photoautotrophic cyanobacteria which can fix atmospheric nitrogen is/are

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Important Questions on Microbes in Human Welfare

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Gamma Question Bank for Medical Biology>Chapter 32 - Microbes in Human Welfare>Assignment>Q 14

Read the following statements and choose the correct option.

Statement A : Antibiotics have played a major role in controlling infectious diseases like diphtheria, whooping cough and pneumonia.

Statement B : Lactic acid bacteria grow in milk to convert it into more nutritious curd.

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Gamma Question Bank for Medical Biology>Chapter 32 - Microbes in Human Welfare>Assignment>Q 15
Toddy is made by fermenting sap from
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Gamma Question Bank for Medical Biology>Chapter 32 - Microbes in Human Welfare>Assignment>Q 16
For commercial production of ethanol, _____ is used.
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Gamma Question Bank for Medical Biology>Chapter 32 - Microbes in Human Welfare>Assignment>Q 17

Fill in the given blanks by choosing correct option for A and B.

Type of microbes Name Commercial product
A Monascus purpureus Stains
Bacterium B  Clot buster enzyme
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Gamma Question Bank for Medical Biology>Chapter 32 - Microbes in Human Welfare>Assignment>Q 18
An autotrophic microbe which can fix nitrogen is
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Gamma Question Bank for Medical Biology>Chapter 32 - Microbes in Human Welfare>Assignment>Q 19
All of the following can be biofertilisers, except
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Gamma Question Bank for Medical Biology>Chapter 32 - Microbes in Human Welfare>Assignment>Q 20
Which of the following microbes are used in biological treatment of sewage?
(a) Autotrophic bacteria
(b) Aerobic bacteria
(c) Fungi
(d) Heterotrophic bacteria
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Gamma Question Bank for Medical Biology>Chapter 32 - Microbes in Human Welfare>Assignment>Q 21
Read the following statements and choose the correct option.
Statement A : Trichoderma species are free living fungi that are very common in root ecosystems.
Statement B : Trichoderma species are effective biocontrol agents of several plant pathogens.