Azotobacter and Bacillus polymyxa are

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8.Microbes in Human Welfare

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Azotobacter and Bacillus polymyxa are

Decomposers

Nonsymbiotic nitrogen fixers

Symbiotic nitrogen fixers

Pathogenic bacteria

(AIPMT-1996)

Solution

(b)Azotobacter and Bacillus polymyxa are free living or non-symbiotic nitrogen fixing bacteria of soil, which increase fertility of soil and hence yield of crop plants.

Standard 12

Biology

Which of the following are the part or example of symbiotic mutualistic association?

$I.$ Yeast

$II.$ Rhizobium

$III.$ Mycorrhiza

$IV.$ Oscillatoria

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Mycorrhiza represents

medium

(AIPMT-1994)

Which one of the following is not a biofertiliser?

medium

(AIPMT-2011)

What would happen if oxygen availability to activated sludge flocs is reduced ?

medium

(AIIMS-2016)

An example of endomycorrhiza is

medium

(AIPMT-2010)

Azotobacter and Bacillus polymyxa are

Solution

Similar Questions

Which of the following are the part or example of symbiotic mutualistic association? $I.$ Yeast $II.$ Rhizobium $III.$ Mycorrhiza $IV.$ Oscillatoria

Mycorrhiza represents

Which one of the following is not a biofertiliser?

What would happen if oxygen availability to activated sludge flocs is reduced ?

An example of endomycorrhiza is

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Which of the following are the part or example of symbiotic mutualistic association?

$I.$ Yeast

$II.$ Rhizobium

$III.$ Mycorrhiza

$IV.$ Oscillatoria