Home
Class 12
BIOLOGY
One of the free-living, anaerobic nitrog...

One of the free-living, anaerobic nitrogen fixer is

A

Azotobacter

B

Beijernickia

C

Rhodospirillum

D

Rhizobium

Text Solution

Verified by Experts

The correct Answer is:
3
Promotional Banner

Topper's Solved these Questions

  • MICROBES IN HUMAN WELFARE

    TRUEMAN BIOLOGY|Exercise Multiple choice question|144 Videos

  • MOLECULAR BASIS OF INHERITANCE

    TRUEMAN BIOLOGY|Exercise MCQs|271 Videos

Similar Questions

Explore conceptually related problems

Anaerobic process

Which of the following is a symbiotic nitrogen fixer ?

Which one is a nonsymbiotic nitrogen fixer

What are biofertilisers? Give examples of any two free living nitrogen fixing microorganisms.

Which one of the following is not a nitrogen-fixing organism ?

Which of the following is free-living aerobic non-photosynthetic nitrogen fixing bacterium

The free-living fungus Trichoderma can be used for

Name any two free living bacteria that fix atmospheric nitrogen and increase nitrogen content in the soil.

If a living cell is placed anaerobic condition its

TRUEMAN BIOLOGY-MINERAL NUTRITION-MULTIPLE CHOICE QUESTIONS
  1. Which one of the following is not a micronutrient

    Text Solution

    |

  2. An element playing important role in nitrogen fixation is

    Text Solution

    |

  3. One of the free-living, anaerobic nitrogen fixer is

    Text Solution

    |

  4. Which one of the following is not an essential mineral element for pla...

    Text Solution

    |

  5. An organism used as a biofertilizer for raising soyabean crop is:-

    Text Solution

    |

  6. Nitrifying bacteria:-

    Text Solution

    |

  7. The function of leghaemoglobin in the root nodules of legumes is:-

    Text Solution

    |

  8. Hydroponics is the method of

    Text Solution

    |

  9. Which one of the following elements (miconutrients) in plants is not r...

    Text Solution

    |

  10. Which one of the following is not an essential mineral element for pla...

    Text Solution

    |

  11. Cuscuta is an example of

    Text Solution

    |

  12. For its action, nitrogenase requires

    Text Solution

    |

  13. Which one of the following is wrong statement ?

    Text Solution

    |

  14. A nitrogen fixing microbe associated with Azolla in rice-fields is:-

    Text Solution

    |

  15. Best defined function of manganese in green plants is

    Text Solution

    |

  16. The first stable product of fixation of atmospheric nitrogen in legumi...

    Text Solution

    |

  17. Deficiency symptoms of nitrogen and potassium are visible first in

    Text Solution

    |

  18. Which one gives the most valid and recent explanation for stomatal mov...

    Text Solution

    |

  19. During biological nitrogen fixation, inactivation of nitrogenase by ox...

    Text Solution

    |

  20. In which of the following, all the three are macronutrients

    Text Solution

    |