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Fill up the blanks by selecting the correct option.
(i) Biogas is a mixture of gases which predominantly contains______and is used as_______
(ii) Methanogens are commonly found in the__________during sewage treatment.
(iii) ___________species are free-living fungi and effective biocontrol agents of several plant pathogens.

A

(i) methane, fuel, (ii) anaerobic sludge, (iii) Trichoderma

B

(i) `CO_(2)`, fuel, (ii) primary sludge, (iii) Trichoderma

C

(i) mathane, fuel, (ii) anaerobic sludge, (iii) Baculoviruses

D

(i) methane, fuel, (ii) aerobic sludge, (iii) Trichoderma

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The correct Answer is:
A
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NCERT FINGERTIPS ENGLISH-MICROBES IN HUMAN WELFARE-Microbes In Human Welfare
  1. Bacillus thuringiensis is used to control

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

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

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

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

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  6. Baculoviruses (Nucleopolyhedrobirus) do not show

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

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

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

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  10. The reason that the chemical/synthetic fertilisers should be replaced ...

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  11. Organic farming does not include

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  12. Organic farming includes

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  13. Living organisms used to enrich the nutrient quality of the soil are c...

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  14. Biofertilisers are prganisms that enrich the nutrient quality of the s...

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  15. Biofertilisers are

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  16. Biofertilisers are the living organisms which

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  17. Unicellular symbiotic organisms improve yield of legumes by

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  18. Match column I with column II and select the correct answer from the g...

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  19. Which one of the following can be used as biofertiliser in cotton fiel...

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  20. The symbiotic association between fungi and roots of higher plants is ...

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