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Mathanogens do not produce...

Mathanogens do not produce

A

oxygen

B

methane

C

hydrogen sulphide

D

carbon dioxide

Text Solution

Verified by Experts

The correct Answer is:
A
In the digesters (During secondary treatment of waste water), heterotropic microbes (methanogens) anaerobically digest bacteria and fungi in sludge producing mixture of gases such as methane, hydrogen sulphide and `CO_(2)` which form the biogas. The `O_(2)` is not produced by methanogens.
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NCERT EXEMPLAR-MICROBES IN HUMAN WELFARE -Microbes In Human Welfare
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  2. The residue left after methane production from cattle dung is

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  3. Mathanogens do not produce

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  4. Activated sludge should have the ability to settle quickly so that it ...

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  5. Match the items in column 'A' and column 'B' and choose correct answer...

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  6. Why does 'Swiss cheese' have big holes?

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  7. What are fermentors?

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  8. Name a microbe used for statin production. How do statins lower blood ...

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  9. Why do we prefer to call secondary waste water treatment as biological...

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  10. What for nucleopolyhedro viruses are being used now a-days?

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  11. How has the discovert of antibiotics helped mankind in the field of me...

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  12. Why is distillation required for producing certain alcoholic drinks?

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  13. Write the most important characteristic that Aspergillus niger, Clostr...

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  14. What would happen if our intestine harbours microbial flora exactly si...

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  15. Give any two microbes that are useful in biotechnology.

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  16. What is the source organism for Eco RI, restriction endonuclease?

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  17. Name any genetically modified crop.

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  18. Why are blue-green algae not popular as biofertilisers?

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  19. Which species of Penicillium produces Roquefort cheese?

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  20. Name the states involvedin Ganga Action Plan.

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