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These bacteria grow anaerobically on cellulosic material, produce large amount of methane along with CO2 and Hand are collectively called as methanogens. Examples of such bacteria are:
  • a)
    Methanobacterium
  • b)
    Mathanobrevibacter
  • c)
    Methanococcus
  • d)
    All of these
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
These bacteria grow anaerobically on cellulosic material, produce larg...
Methanogens are microorganisms that produce methane as a metabolic by product in anoxic condition. They include Methanobacterium, Methanobrevibacter and Methanococcus.
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These bacteria grow anaerobically on cellulosic material, produce larg...

Explanation:

Methanogens:
Methanogens are a group of bacteria that are able to grow anaerobically on cellulosic material and produce methane along with carbon dioxide and hydrogen. These bacteria are commonly found in environments such as the digestive tracts of animals, sewage treatment plants, and anaerobic sediments.

Examples of Methanogens:
The three examples of methanogens mentioned in the question are Methanobacterium, Methanobrevibacter, and Methanococcus. These bacteria belong to the domain Archaea and play a crucial role in the carbon cycle by converting organic matter into methane gas.

Characteristics of Methanogens:
- Methanogens are strict anaerobes, meaning they cannot survive in the presence of oxygen.
- They obtain energy by converting hydrogen and carbon dioxide into methane gas through a process called methanogenesis.
- Methanogens are essential for the breakdown of organic matter in oxygen-deprived environments.

Answer:
The correct answer is option 'D', which states "All of these". This is because all three bacteria mentioned - Methanobacterium, Methanobrevibacter, and Methanococcus - are examples of methanogens that grow anaerobically on cellulosic material and produce methane as a byproduct.
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These bacteria grow anaerobically on cellulosic material, produce large amount of methane along with CO2 and H2and are collectively called as methanogens. Examples of such bacteria are:a)Methanobacteriumb)Mathanobrevibacterc)Methanococcusd)All of theseCorrect answer is option 'D'. Can you explain this answer?
Question Description
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