__________ play a key role in the transformation of rock to soil. Options: A . &nbspDe-nitrifying bacteria B . &nbspCyanobacteia C . &nbspNitrifying bacteria D . &nbspPectin decomposing bacteria

__________ play a key role in the transformation of rock to soil.

Question

__________ play a key role in the transformation of rock to soil.

Options:

A . De-nitrifying bacteria

B . Cyanobacteia

C . Nitrifying bacteria

D . Pectin decomposing bacteria

Answer: Option B

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Question 1. The conversion of molecular nitrogen into ammonia is known as....

Question 2. Some microorganisms have the ability to increase the nitrogen content of soils, are called as....

Question 3. Which of the following species of different genera of bacteria are not capable of transforming nitrate to nitrogen?....

Question 4. Nitrogen fixation....

Question 5. The breakdown of cattle manure in biogas is accomplished by which of the following type of bacteria?....

Question 6. For rapid decomposition by microbes, the substrate should have a C/N ratio of....

Question 7. Degree of compost maturity can be assesed by....

Question 8. Which are the main source of biofertilisers?....

Question 9. Denitrification is....

Question 10. The organisms responsible for the characteristic musty or earth odor of a freshly plowed field is/are....

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