Home
Class 11
BIOLOGY
A farmer adds Azotobacter culture to soi...

A farmer adds Azotobacter culture to soil before sowing maize. Which mineral element will be replenished by doing so?

A

N

B

P

C

K

D

S

Text Solution

Verified by Experts

The correct Answer is:
A
Azotobacter is a genus of usually motile, oval or spherical bacteria that form thick walled cysts, play important role in fixing atmospheric nitrogen, hence increasing fertility of soil by replenishing nitrogen in soil.
Promotional Banner

Topper's Solved these Questions

  • LOCOMOTION AND MOVEMENT

    NCERT FINGERTIPS|Exercise Locomotion And Movement|139 Videos

  • MORPHOLOGY OF FLOWERING PLANTS

    NCERT FINGERTIPS|Exercise Morphology Of Flowering Plants|135 Videos

Similar Questions

Explore conceptually related problems

A farmer adds Azotobacter culture to the soil before sowing maize. How does it increase the yield of maize?

Which of the phrases (a), (b), (c) and (d) given below each statement should be placed in the blank space provided so as to make a meaningful and grammatically correct sentence? If more of the sentences is appropriate, mark (e) as the answer. _____the soil today is nowhere as rich in native minerals as it used to be some centuries ago.

NCERT FINGERTIPS-MINERAL NUTRITION-Mineral Nutrition
  1. The largest resevoir of nitrogen on earth is

    Text Solution

    |

  2. if by radiation all nitrogenase enzyme is inactivated, then there will...

    Text Solution

    |

  3. A farmer adds Azotobacter culture to soil before sowing maize. Which m...

    Text Solution

    |

  4. is a free-living N(2)-fixing aerobic bacterium.

    Text Solution

    |

  5. Which of the following is a non-symbiotic nitrogen fixing prokaryote?

    Text Solution

    |

  6. Which of the following is a free-living nitrogen fixing cyanobacteria?

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  9. Select the mismatched pair.

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  16. What dows the given figure represent?

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  19. The cofactor of nitrate reductase is

    Text Solution

    |

  20. Leghaemoglobin is produced in response to

    Text Solution

    |