EDUCATION UGC NET
ENVIRONMENTAL STUDIES
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Cattle dung
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Human excreta
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Agriculture waste
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None of these
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Detailed explanation-1: -The plants using cattle dung are known as ‘Gobar gas plants.
Detailed explanation-2: -Solution : Cattle dung is rich in methanobacterium that breakdown the cellulose and are present in the faecal matter of an animal. These bacterial species are responsible for the production of gases like methane, carbon dioxide and ‘H 2‘.
Detailed explanation-3: -The plants, using cattle dung are known as ‘Gobar gas plants’ in rural India. These provide twin benefits to the farmer in the form of energy and improved quality of manure.
Detailed explanation-4: -Biogas or gobar gas is a clean, unpolluted and cheap source of energy in rural areas. It consists of 55−70% methane which is inflammable. Biogas is produced from cattle dung in a biogas plant commonly known as gobar gas plant through a process called digestion.