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Which one of the following can be used a...

Which one of the following can be used as biofertiliser in cotton field?

A

Azolla-Anabaena

B

Streptococcus

C

Azospirillum

D

Azotobacter chroococcum

Text Solution

Verified by Experts

The correct Answer is:
D
Cotton is a dicotyledonous crop. The best biofertiliser for cotton is Bacillus cereus and Azotobacter chroococcum. These are free living `N_(2)` fixing bacteria and enhance the fertility of soil.
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NCERT FINGERTIPS-MICROBES IN HUMAN WELFARE-Microbes In Human Welfare
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  2. Match column I with column II and select the correct answer from the g...

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

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

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  5. Which one of the following microorganisms forms symbiotic assocation w...

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  6. Which of the following statements is not correct regarding mycorrhiza ...

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  7. Which one of the following pairs is correctly matched?

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

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  9. Cyanobacteria are

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  10. A nitrogen fixing microbe associated with the fern Azolla in rice fiel...

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  11. Azolla pinnata has been found to be an important biofertiliser for pad...

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  12. Which of the following is widely used as a successful biofertiliser in...

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  13. Study the following statements and select the correct ones (i) Metha...

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  14. Which of the following statements is/are correct ?

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  15. Which of the following options includes biofertilisers ?

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  16. Which of the following is a non-symbiotic biofertiliser ?

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  17. Nitrogen fixation in root nodules of Alnus is brought about by

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  18. Farmers have reported over 50% higher yields of rice by using which of...

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

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  20. Which of the followig statements is/are incorrect ? (i) Cyanobacteri...

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