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The bacteriumbelonging to group actinomy...

The bacterium_____belonging to group actinomycetes, produces `N_(2)-`fixing nodules on the roots of non-leguminous plants (e.g., Alnus)

A

Frankia

B

Rhizobium

C

Rhodospirillum

D

Clostridium

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The correct Answer is:
A
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Microbe producing nitrogen fixing nodule on the roots of non-leguminous plant is -

nitrogen fixing nodules on the roots of non leguminous plant Alnus harbours the microbe

Root nodules in leguminous plants:

We find that Rhizobium forms nodules on the roots of leguminous plants. Also Frankia another microbe forms nitrogen fixing nodules on the roots of non-leguminous plant Alnus. (a) Can we artificially induce the property of nitrogen-fixation in a plant, leguminous or non-leguminous ? (b) What kind of relationship is observed between mycorrhiza and pine trees ? (c) Is it necessary for a microbe to be in close association with a plant to provide mineral nutrition ? Explain with the help of one example.

The microbe that produces root nodules on the root of Alnus is

Root nodules are not formed in non-leguminous plants because they grow in

NCERT FINGERTIPS-MINERAL NUTRITION-Mineral Nutrition
  1. Which of the following is a free-living nitrogen fixing cyanobacteria?

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  2. Symbiotic bacteria are found in the root nodules of members family

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

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  4. Select the mismatched pair.

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

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

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

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

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

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

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  11. What dows the given figure represent?

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

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

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  14. The cofactor of nitrate reductase is

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  15. Leghaemoglobin is produced in response to

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

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

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

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  19. Ammonia synthesis by nitrogenase requires

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

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