Home
Class 12
BIOLOGY
Major sources of biofertilizers are:...

Major sources of biofertilizers are:

A

selected symbiotic micro-organisms

B

only nitrogen fixing bacteria

C

only nitrogen fixing cyanobacteria

D

bacteria, cyanobacteria and fungi

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • LOCOMOTION AND MOVEMENT

    MBD PUBLICATION|Exercise Question Bank|75 Videos

  • MINERAL NUTRITION

    MBD PUBLICATION|Exercise Question Bank|75 Videos

Similar Questions

Explore conceptually related problems

Fill in the blanks:The main source of biofertilizer are __________.

A biofertilizer is:

Major source of sulphur is

Write note on: Biofertilizers.

Which organisms serves as a biofertilizer ?

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

MBD PUBLICATION-MICROBES IN HUMAN WELFARE-QUESTION BANK
  1. Pick up the natural insecticide prepared by Chinese.

    Text Solution

    |

  2. Biopesticides are:

    Text Solution

    |

  3. Major sources of biofertilizers are:

    Text Solution

    |

  4. Pheromones are secreted:

    Text Solution

    |

  5. Mycorrhiza is a :

    Text Solution

    |

  6. Total consumption of fertilizers in India is about:

    Text Solution

    |

  7. The overgrowth of cacti was checked by the introduction of:

    Text Solution

    |

  8. The vitamin whose content increases following the conversion of milk i...

    Text Solution

    |

  9. Wastewater treatment generates a large quantity of sludge , which can ...

    Text Solution

    |

  10. Methanogemc bacteria are not found in :

    Text Solution

    |

  11. Match the following list of bacteria and their commercially important ...

    Text Solution

    |

  12. Match the following list of bioactive substances and their roles:

    Text Solution

    |

  13. The primary treatment of waste water involves the removal of :

    Text Solution

    |

  14. BOD of waste water is estimated by measuring the amount of :

    Text Solution

    |

  15. Which one of the following alcoholic drinks is produced without distil...

    Text Solution

    |

  16. The technology of biogas production from cow dung was developed in Ind...

    Text Solution

    |

  17. The free - living fungus Trichoderma can be used for :

    Text Solution

    |

  18. What would happen if oxygen availability to activated sludges flocs is...

    Text Solution

    |

  19. Mycorrhiza does not help the host plant in:

    Text Solution

    |

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

    Text Solution

    |