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Which of the following is mainly produce...

Which of the following is mainly produced by the activity of anaerobic bacteria on sewage?

A

Laughing gas

B

Propane

C

Mustard gas

D

Marsh gas

Text Solution

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The correct Answer is:
D
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MOTION-ECOLOGY-EXERCISE -3
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  2. Secondary sewage treatment is mainly a

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  3. Which of the following is mainly produced by the activity of anaerobic...

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  4. Which one of the following have the highest number of species in natur...

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  5. Large Woody vines are more commonly found in:

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  6. Nitrifying bacteria

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  7. Considered the following four conditions (A-D) and select the correct ...

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  8. Which one of the following statements is correct for secondary success...

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  9. Which one of the following is categorised as a parasite in true sense

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  10. Which one of the following statements for pyramid of energy is incorre...

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  11. Which one of the following statements is wrong

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  12. Which one of the following shows maximum genetic diversity in India ...

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  13. Both, hydrarch and xerarch successions lead to

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  14. Which one of the following animals may occupy more than one trophic le...

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  15. The breakdown of detritus into smaller particles by earthworm is a pro...

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  16. "Good ozone" is found in the

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  17. Consider the following statements (a-d) each with one or two blanks: ...

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  19. Which one of the following statements regarding photochemical smog is ...

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  20. Which one of the following areas in India, is a hotspot of biodiversit...

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