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Biogas generation is a three stage anaer...

Biogas generation is a three stage anaerobic digestion of animal and other organic wastes. Study the following flow chart and select the correct option for stages I, II and III.

A

In stage -I, anaerobic microorganisms bring about enzymatic breakdown of complex organic compounds into simple soluble compounds or monomers

B

In stage -II, monomers are converted into organic acids by fermentation causing microbes

C

In stage-III, organic acids are acted upon by methanogenic bacteria to produce biogas

D

All of these

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The correct Answer is:
D
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NCERT FINGERTIPS-MICROBES IN HUMAN WELFARE-Microbes In Human Welfare
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  2. Which of the following statements is incorrect ?

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  3. Biogas generation is a three stage anaerobic digestion of animal and o...

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  4. Read the following statements and select the correct option. Statem...

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  5. Biopesticides are

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  6. When a natural predator (living organism) is applied on the other path...

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  7. Dragonflies are used to get rid of

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  8. A microbial biocontrol agent that can be used to control butterfly cat...

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  9. Bacillus thuringiensis is used to control

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  10. Bacillus thuringiensis (Bt) strains have been used for designing novel

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  11. Fill up the blanks by selecting the correct option. (i) Biogas is a ...

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  12. Which of the following statements is correct with regard to biocontrol...

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  13. Trichoderma harizianum has proved to be a useful microorganism for

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  14. Baculoviruses (Nucleopolyhedrobirus) do not show

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  15. Which of the following statements regarding baculoviruses as biocontro...

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  16. Integrated Pest Mangement (IPM) discourages the excessive use of

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  17. Which of the following is not used as a biopesticide ?

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  18. The reson that the chemical/synthetic fertilisers should be replaced b...

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  19. Organic farming does not include

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  20. Organic farming includes

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