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What happens during the first stage of s...

What happens during the first stage of sewage treatment plant?

A

Aeration is done

B

Bacterial activity is allowed

C

Physical particles are removed

D

All the above

Text Solution

Verified by Experts

The correct Answer is:
C
Physical particles are removed
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KUMAR PRAKASHAN-MICROBES IN HUMAN WELFARE -SECTION - F MULTIPLE CHOICE QUESTIONS(MCQS FROM DARPAN BASED ON TEXTBOOK)
  1. By the broad knowledge of which fields the microbes are used in differ...

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  2. Whose fermentation occur in pickles ? (A) Fermentation of Lactic acid...

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  3. Which pest control method is useful to fruit trees? (A) Irrigation M...

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  4. Bio-pesticides are (A) The chemicals which are used to destroy the pe...

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  5. Match the following and choose the correct answer from the option.

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  6. Where do bacteria grow in biogas plant? (A) in excreta (B) decaying...

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  7. Name a microbe used for the production of Swiss cheese.

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  8. What is obtained through Trichoderma Polysporum yeast? (A) Riboflavi...

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  9. Which organisms are used to make bread and beer?

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  10. Acetic acid is produced by (A) Aspergillus niger (B) Lactobacillus ...

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  11. S - Weedicides are chemically synthesized product. R - Bionematic...

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  12. Nitrogen fixation by Rhizobium can be improved with the supply of

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  13. From which of the following is citric acid is obtained ?

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  14. Which is not a leguminous plant?

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  15. S- Ensilage is a cattle food. R- Ensilage is made by fermentation ...

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  16. Who increases the organic substances in the soil ?

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  17. What happens during the first stage of sewage treatment plant?

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  18. Which drug is used to prevent cereal diseases and is prepared by pseud...

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  19. Assertion .A.: Lipase enzyme is produced through micro-organisms in in...

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  20. Match the following

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