Answer
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Hint: Gobar gas is the mixture of gases produced anaerobically by the breakdown of organic matter. It involves fermentation of biodegradable matter. It is also known as biogas.
Complete Answer:
To solve this question, we must know how the gobar gas is produced.
Gobar gas can be produced from bio waste such as agricultural waste, manure, municipal waste, plant material, sewage, green waste or food waste.
It is produced by the anaerobic digestion of the waste matter by anaerobic organisms in a closed system called the bioreactor.
The anaerobic organisms like methanogens convert the organic waste to gases like methane and carbon dioxide. These gases on combustion release energy which can be used as fuel.
Nitrifying bacteria- They carry out aerobic oxidation of ammonia to nitrates.
Ammonifying bacteria- These bacteria convert free atmospheric nitrogen to nitrates in the soil. Eg Rhizobium
Denitrifying bacteria- These bacteria convert the nitrates in the soil to free nitrogen.
Thus the correct answer is (A) Methanogen is used in gobar gas plants.
Additional Information: Biogas is used for heating purposes like cooking, running gas engines. Biogas can also be used to run motor vehicles.
Note: Gobar gas is a renewable source of energy. Methanogens like Methanobacterium help in anaerobically converting the organic waste to biogas. This biogas comprises marsh gas methane which is used as a source of energy.
Complete Answer:
To solve this question, we must know how the gobar gas is produced.
Gobar gas can be produced from bio waste such as agricultural waste, manure, municipal waste, plant material, sewage, green waste or food waste.
It is produced by the anaerobic digestion of the waste matter by anaerobic organisms in a closed system called the bioreactor.
The anaerobic organisms like methanogens convert the organic waste to gases like methane and carbon dioxide. These gases on combustion release energy which can be used as fuel.
![seo images](https://www.vedantu.com/question-sets/70997bb3-22ad-4d11-8731-346b01d5a03c8491684380998621522.png)
Nitrifying bacteria- They carry out aerobic oxidation of ammonia to nitrates.
Ammonifying bacteria- These bacteria convert free atmospheric nitrogen to nitrates in the soil. Eg Rhizobium
Denitrifying bacteria- These bacteria convert the nitrates in the soil to free nitrogen.
Thus the correct answer is (A) Methanogen is used in gobar gas plants.
Additional Information: Biogas is used for heating purposes like cooking, running gas engines. Biogas can also be used to run motor vehicles.
Note: Gobar gas is a renewable source of energy. Methanogens like Methanobacterium help in anaerobically converting the organic waste to biogas. This biogas comprises marsh gas methane which is used as a source of energy.
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