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Which one of the following pairs is corr...

Which one of the following pairs is correctly matched?

A

Rhizobium - Parasite in the roots of leguminous plants

B

Mycorrhizae- Mineral uptake from soil

C

Yeast - Production of biogas

D

Azospirillum - Symbiotic `N_(2)`- fixing bacterium

Text Solution

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The correct Answer is:
B

Mycorrhiza is a symbiotic association of a fungus with the roots of a higher plant. Ectomycorrhiza, whichlie on surface of the root, help in direct absorption of minerals from the soil over a large area. Rhizobium is a symbiotic nitrogen fixing bacteria and Azospirillum is a free living nitrogen fixing bacteria. Methanogenic bacteria help in production of biogas.
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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 not correct regarding mycorrhiza ...

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

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

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  5. Cyanobacteria are

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

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

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

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

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

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  11. Which of the following options includes biofertilisers ?

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

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

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

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

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

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

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  18. Which of the following curves correctly represents the process of anti...

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  19. In a microbiology laboratory, the technician uses heat to sterilise th...

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  20. Study the given differences between primary sludge and activated sludg...

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