Home
Class 12
BIOLOGY
The biofertilizers are...

The biofertilizers are

A

Anabaena and Azolla

B

Cow dung, manure and farmyard waste

C

Quick growing crop ploughed under soil

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
1
Promotional Banner

Topper's Solved these Questions

  • MICROBES IN HUMAN WELFARE

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (SECTION - D Assertion - Reason Type Questions)|10 Videos
  • MICROBES IN HUMAN WELFARE

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (SECTION - B)|35 Videos
  • LOCOMOTION AND MOVEMENT

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION-D|10 Videos
  • MINERAL NUTRITION

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION D)|10 Videos

Similar Questions

Explore conceptually related problems

Major sources of biofertilizers are

A biofertilizer is

Biofertilizer is

Azolla is used as biofertilizer because it

Some blue green algae can be used as biofertilizer as they are

Some blue green algae are used as biofertilizers because they

Some blue green algae can be used as biofertilizer as they are

Aquatic fern which is an excellent biofertilizer used in paddy fields

Identify the option that has correct statements regarding biofertilizers. a. Rhizobium and azotobacter are symbiotic microorganisms. b. Azospirullum and blue-green algae are non - synbiotic microorganisms . c. Mycorrhizae is the symbiotic phosphate solubilizing organism. d. Actinomycetes is the non-symbiotic nitrogen-fixing microorganism.

AAKASH INSTITUTE ENGLISH-MICROBES IN HUMAN WELFARE-Assignment (SECTION - C)
  1. Bacillus thuringiensis (Bt) strains have been used for designing novel

    Text Solution

    |

  2. A good producer of citric acid is

    Text Solution

    |

  3. Which one of the following pairs is wrongly matched?

    Text Solution

    |

  4. Gober gas contains mainly

    Text Solution

    |

  5. Which bacteria are utilised in gobar gas plant?

    Text Solution

    |

  6. During anaerobic digestion of organic waste, such as in the producing ...

    Text Solution

    |

  7. A major component of gobar gas is

    Text Solution

    |

  8. Microbe used for biocontrol of pest bufferfly caterpillars is

    Text Solution

    |

  9. Which one of the following is an example .o f carrying out biological ...

    Text Solution

    |

  10. One of the major difficulties in the biological control of insect pes...

    Text Solution

    |

  11. Cochineal insects have proved very useful for the control of

    Text Solution

    |

  12. When a natural predator (living organism) is applied on the other path...

    Text Solution

    |

  13. Farmers have reported 50% higher yields of Rice by using biofertilizer

    Text Solution

    |

  14. Which one of the following microbes forms symbiotic association with p...

    Text Solution

    |

  15. Aquatic fern which is an excellent biofertilizer is

    Text Solution

    |

  16. Yield of Rice is enhanced by

    Text Solution

    |

  17. Which of the following species does not have the ability to fix atmosp...

    Text Solution

    |

  18. The biofertilizers are

    Text Solution

    |

  19. Which of the following is a symbiotic nitrogen fixer

    Text Solution

    |

  20. An alga which can be employed as food for human being is

    Text Solution

    |