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NEET2014ZoologyMicrobes in Human WelfareActual

What gases are produced in anaerobic sludge digesters?

Options

  1. AMethane and C O 2
  2. BMethane, hydrogen sulphide and C O 2
  3. CMethane, hydrogen sulphide and C O .
  4. DHydrogen sulphide and C O 2

Correct answer

B. Methane, hydrogen sulphide and C O 2

Step-by-step solution

Biogas is a mixture of gases (containing predominantly methane) produced by microbial activity and which may be used as fuel. The major component of biogas is methane (50-70%) which is highly inflammable other gases are carbon dioxide (30-40%) and a mixture of other gases H 2 , H 2 S etc. (10%).

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