Home
Class 12
BIOLOGY
Assertion : Nitrogen fixing enzyme in le...

Assertion : Nitrogen fixing enzyme in legume root nodules function at low oxygen concentration.
Reason : Low oxygen concentration is provided by leghaemoglobin.

A

if both are true with reason being correct explanation

B

both are true but reason is not correct explanation

C

assertion is true but reason is wrong

D

both are wrong

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MICROBES IN HUMAN WELFARE

    DINESH PUBLICATION|Exercise CYG|13 Videos

  • MICROBES IN HUMAN WELFARE

    DINESH PUBLICATION|Exercise Brain Teasers-VIII|60 Videos

  • MICROBES IN HUMAN WELFARE

    DINESH PUBLICATION|Exercise Brain Teasers-VIII|60 Videos

  • MAMMALIA [MAMMA - BREAST]

    DINESH PUBLICATION|Exercise Brain Teasers - I|101 Videos

  • MOLECULES OF THE CELL

    DINESH PUBLICATION|Exercise CYG|33 Videos

Similar Questions

Explore conceptually related problems

Nitrogen fixing enzyme in root nodule is

Nitrogen fixing enzyme in root nodule is

Nitrogen-fixing enzyme found in root nodules is

Assertion : Nitogen - fixing bacteria in legume root nodules survive in oxygen - depleted cells of nodules. Reason : Leghaemoglobin completely removes oxygen from the nodule cells.

What is the name of nitrogen fixing bacterium found in the root nodules of legumes ?

Assertion : The nitrogen-fixing bacteria in leguminous plant nodules live as symbionts. Reason : Leg-haemoglobin synthesized by leguminous plants protect bacteria

The symbiotic nitrogen fixing bacteria present in root nodules of legumes belong to genus

Assertion : Nitrogenase enzyme gets inactivated in presence of oxygen yet N_(2) fixation occurs in aerobic cells of legume nodules. Reason : Laghaemoglobin allows presence of oxygen just sufficient for cellular respiration only.

Assertion : Nitrogen is less reactive than molecular oxygen. Reason: Bond length of N_(2) is shorter than that of oxygen.

DINESH PUBLICATION-MICROBES IN HUMAN WELFARE-RQ
  1. Bt toxin is got from a

    Text Solution

    |

  2. Which of the following weed should be eradicated quickly ?

    Text Solution

    |

  3. Assertion : Nitrogen fixing enzyme in legume root nodules function at ...

    Text Solution

    |

  4. A red pigment present in the root nodules of leguminous plants is know...

    Text Solution

    |

  5. Vermicompost is brofertilizer rich in

    Text Solution

    |

  6. It is not benefit of vermicompost

    Text Solution

    |

  7. A free-living nitrogen-fixing cyanobacterium which can also form symbi...

    Text Solution

    |

  8. Which one is a symbiotic nitrogen fixing plant ?

    Text Solution

    |

  9. Which one of the following bacterium is used extensively as biopestici...

    Text Solution

    |

  10. Which proves to be effective biological control for nematodal pathogen...

    Text Solution

    |

  11. Trichoderma harizianum has proved to be a useful microorganism for

    Text Solution

    |

  12. Which is linked to discovery of Bordeaux mixture as fungicide ?

    Text Solution

    |

  13. Which is maitained for optimum production of vinegar

    Text Solution

    |

  14. The antibiotic inhibiting cell wall formation in bacterial cell is

    Text Solution

    |

  15. Modern detergents contain enzyme preparations of

    Text Solution

    |

  16. Substrate for alcohol formation is :

    Text Solution

    |

  17. A sewage treatement process in which a part of decomposer bacteria pre...

    Text Solution

    |

  18. Lactic acid bateria convert milk into curd an improves its nutritional...

    Text Solution

    |

  19. The fungus used for the commerical production of SCP is

    Text Solution

    |

  20. Highest number of antibiotics are produced by

    Text Solution

    |