Microbes in Human Welfare Questions

129 Biology questions for JEE Main & NEET. Includes 6 PYQ questions.

129 Questions6 PYQ50 Hard
PYQ Hard90s

Human insulin is being commecially produced from a transgenic species of

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PYQ Hard90s

The given graph show the effect of substrate concentration on the rate of reaction of the enzyme greengram - phosphatase. What dose the graph indicate ?...

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PYQ 2017Hard90s

Which of the following in sewage treatment removes suspended solids ?

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PYQ 2017Hard90s

Select the mismatch :

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PYQ 2017Hard90s

Which of the following is correctly matched for the product produced by them?

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PYQ 2016Hard90s

The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals, includethe:

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Hard90s

During sewage treatment, biogases are produced which include :

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Hard90s

The most abundant prokaryotes helpful to humans in marking curd from milk and in production ofantibiotics are the ones categorised as

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Hard90s

A nitrogen-fixing microbe associated with Azolla in rice fields is

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Hard90s

Which one of the following microbes forms symbiotic association with plants and helps them in theirnutrition ?

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Hard90s

Continuous addition of sugars in ′fed batch′ fermentation is done to

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Hard90s

Which one of the following is not biofertilizer ?

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Hard90s

An organism used as a biofertilizer for raising soyabean crop is

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Hard90s

Select the correct statement from the following

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Hard90s

Which one thing is not true about antibiotics ?

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Hard90s

Which of the micro-organism is used for production of citric in industries ?

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Hard90s

Two bacteria found to be very useful in genetic enegineering experiments are

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Hard90s

What is the best pHof the soil for cultivation of plants ?

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Hard90s

Introduction of food plants developed by geneticgenetic engineering is not desirable because

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Hard90s

The technique of obtaining large number of plantlets by tissue culture method is called

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