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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

Marsh gas

B

Laughing gas

C

Propane

D

Mustard gas

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The correct Answer is:
A
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AAKASH INSTITUTE ENGLISH-BIOLOGICAL CLASSIFICATION-Assignment (Section - C) (Previous Years Questions)
  1. The most abundant prokaryotes helpful to humans in making curd from mi...

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  2. Organisms called Methanogens are most abundant in a

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

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  4. A peculiar odour found in marshy areas and cow sheds is of gas produce...

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  5. Organisms, which fix atmospheric nitrogen in the soil, fall under the ...

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  6. Transduction in bacteria is mediated by

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  7. Many blue-green algae occur in thermal springs (hot water springs). Th...

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  8. For the first time, the bacteria were observed by

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  9. A number of organic compounds can be decomposed by

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  10. What are the sex organs provided in some bacteria ?

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  11. BGA (blue green algae) are included in which of the following groups ?

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  12. Which type of DNA is found in bacteria ?

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  13. A few organism are known to grow and multiply at temperature of 100-10...

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  14. DNA of E.Coli :

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  15. In photosynthetic bacteria, the pigments occur in

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  16. What is true for Archaebacteria

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  17. What is true for cyanobacteria?

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  18. Organisms which obtain energy by the oxidation of reduced inorganic co...

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  19. Which statement is correct for bacterial transduction : -

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  20. Chromosomes in a bacterial cell can be 1 in number and

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