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Which of the following gas is produced using dung of cattle?

(a) Greenhouse gas

(b) Nitrous gas

(c) Gobar gas

(d) Water-gas

I got this question in an interview for internship.

This is a very interesting question from Microbes in Production of Biogas topic in division Microbes in Human Welfare of Biology – Class 12

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The correct option is (c) Gobar gas

For explanation: The excreta or dung of the cattle, commonly called gobar is rich in methanogens. Therefore, dung can be used for the generation of biogas, commonly called gobar gas.

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