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Select the mismatched pair....

Select the mismatched pair.

A

Symbiotic bacteria-Rhizobium, Frankia

B

Symbiotic cyanobacteria-Frankia, Aulosira

C

Free-living bacteria-Beijerinckia, Azotobacter

D

none of these

Text Solution

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The correct Answer is:
B
Frankia is a symbiotic `N_(2)`-fixing bacterium present in the root nodulus of several non-legume plants such as Casuarine, Myrica and Alnus. Aulosira is a free-living `N_(2)`-fixing cynobacterium.
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NCERT FINGERTIPS-MINERAL NUTRITION-Mineral Nutrition
  1. Symbiotic bacteria are found in the root nodules of members family

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  2. The bacteriumbelonging to group actinomycetes, produces N(2)-fixing no...

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  3. Select the mismatched pair.

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  4. Certain non-leguminous plants also form nodules to fix N(2). Example o...

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  5. N(2)-fixing blue-green alga Anabaena which is extensively used in rice...

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  6. The nodules present in the leguminous plants appear pink in colour due...

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  7. During nodule formation in leguminous plants, an infection thread is p...

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  8. Refer to the given figure and select the correct option.

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  9. Study the given figures carefully showing the development of root nodu...

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  10. What dows the given figure represent?

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  11. During N(2) fixation, reduction of one molecule of nitrogen into 2 mol...

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  12. Which one is the correct equation of nitrogen fixation?

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  13. The cofactor of nitrate reductase is

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  14. Leghaemoglobin is produced in response to

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  15. Which of the following statements is incorrect about leghaemoglobin?

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  16. conditions are created by leghaemoglobin in the root nodule of a legum...

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  17. Read the following statements and select the correct answer. (i). Rh...

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  18. Ammonia synthesis by nitrogenase requires

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  19. Read the following statements and select the incorrect ones. (i). Th...

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  20. Refer to the given reaction alpha-Ketoglutaric acid +NH(4)^(+)+NADPH...

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