Question

Thiobacillus is a group of bacteria helpful in carrying out

Answer 1

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Here is your Answer...

Thiobacillus is a group of bacteria helpful in carrying out:

ANitrification

BNitrificationBDenitrification

CNitrificationBDenitrificationCNitrogen fixation

DNitrificationBDenitrificationCNitrogen fixationDChemoautotrophic fixation

Answer 2

Answer:

Thiobacillus is a group of bacteria helpful in carrying out denitrification

Explanation:

Thiobacillus is a denitrifying bacteria which helps in denitrification.

• Nitrogen is nearly 79% available in the atmosphere in the form of gas.
• Atmosphere nitrogen cannot be used directly by most organisms.
• So  in order to use the nitrogen  it has to be converted in to combined form like Nitrates (NO₃) or Ammonium (NH₄)
• So microorganisms play a vital role in fixing the nitrogen .
• This process of conversion of nitrogen gas to nitrates and ammonium form is called as Nitrogen Fixation.
• the nitrates so formed are absorbed  by thr plants
• A part of nitrates in the soil are converted into free nitrogen by denitrifying bacteria .
• The free nitrogen so formed goes back to atmosphere.This process of release of nitrogne into air by the action of bacteria like Thiobacillus on decaying matter is called as denitrification.