Home
Class 12
BIOLOGY
A free-living nitrogen-fixing cyanobacte...

A free-living nitrogen-fixing cyanobacterium which can also form symbiotic association with the water fern Azolla is :

A

Chlorella

B

Anabaena

C

Nostoc

D

Tolypotheix

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • KINGDOM MONERA (THE PROKARYOTES)

    DINESH PUBLICATION ENGLISH|Exercise CHECK YOUR GRASP|20 Videos

  • KINGDOM MONERA (THE PROKARYOTES)

    DINESH PUBLICATION ENGLISH|Exercise CHECK YOUR GRASP|20 Videos

  • KINGDOM FUNGI-MULTICELLULAR DECOMPOSERS

    DINESH PUBLICATION ENGLISH|Exercise CYG|19 Videos

  • KINGDOM PLANTAE OR METAPHYTA

    DINESH PUBLICATION ENGLISH|Exercise CYG|20 Videos

Similar Questions

Explore conceptually related problems

Free-living nitrogen-fixing aerobic bacterium is

Name two free-living nitrogen-fixing bacteria.

Name a free-living nitrogen-fixing soil bacteria ?

Free living nitrogen-fixing bacteria are found in-

Nitrogen fixing organism which can be free as well as symbiotic is

Nitrogen fixing cyanobacterium present in fern Azolla is

Which symbiotic nitrogen-fixing cyanobacterium lives in the roots of Cycas?

A nitrogen fixing microbe associated with the fern Azolla in rice fields is

Which of these forms a symbiotic association with roots and helps to improve phosphorus uptake?

A free-living aerobic and nonphotosynthetic nitrogen-fixing bacterium is

DINESH PUBLICATION ENGLISH-KINGDOM MONERA (THE PROKARYOTES)-REVISION QUESTIONS FROM CPMPETITIVE EXAMS.
  1. Streptococcus is used in preparation of

    Text Solution

    |

  2. Which one is not matched

    Text Solution

    |

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

    Text Solution

    |

  4. The most thoroughly studied of the known bacteria-plant interactions i...

    Text Solution

    |

  5. Iron chelating substance is produced by a growth promoting rhizobacter...

    Text Solution

    |

  6. Match the columns and find out the correct combination {:(,"Column...

    Text Solution

    |

  7. Bacterium Pseudomonas is useful as it can

    Text Solution

    |

  8. Assertion: Nitrogen-fixing bacteria of legume nodules live in O2 depl...

    Text Solution

    |

  9. Match the type of bacteria listed in column I with their activity give...

    Text Solution

    |

  10. What is true

    Text Solution

    |

  11. Murein is not found in the cell wall of

    Text Solution

    |

  12. A non -photosynthetic aerobic nitrogen fixing soil bacterium is

    Text Solution

    |

  13. Prokaryotes are characterised by

    Text Solution

    |

  14. Bacteria involved in two -step conversion of ammonia into nitrate are

    Text Solution

    |

  15. Colourless, unicellular, cell wall bound, spherical or rod-shaped micr...

    Text Solution

    |

  16. Nif' gene for nitrogen fixation in cereal crops like wheat jowar etc.,...

    Text Solution

    |

  17. Blue green algae are

    Text Solution

    |

  18. Antibiotics are

    Text Solution

    |

  19. Bacterial flagella is made up of

    Text Solution

    |

  20. A chain of spherical bacteria is called streptococci. When spherical c...

    Text Solution

    |