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 ………….. .

A

Nostoc

B

Anabaena

C

Chlorella

D

Rhizobium

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • APPLICATIONS OF BIOTECHNOLOGY

    SARAS PUBLICATION|Exercise EXAMPLE |102 Videos

Similar Questions

Explore conceptually related problems

Which is a free living nitrogen fixing fungi ?

A free living anaerobic nitrogen fixing bacteria ………….

Give examples of free living nitrogen fixing bacteria.

Identify the free living nitrogen fixing bacteria ________

Mention any two free - living nitrogen fixing bacteria.

Which one of the following microbes forms symbiotic association with plants and helps them in their nutrition?

N_(2) -fixing blue-green alga Anabaena which is extensively used in rice cultivation, forms symbiotic association with

List out the free living bacteria and fungi responsible for non-symbiotic nitrogen fixation.

Identify the incorrect statement: (i) SLF is obtained from kelps - a brown algae. (ii) Azolla is a fern. (iii) Rhizobium is found in association with root nodules. (iv) AM forms symbiotic relation with angiospermic roots.

Which of the following associations fixes nitrogen through non- nodulation?

SARAS PUBLICATION-APPLICATION OF BIOTECHNOLOGY-EXERCISE
  1. A free living nitrogen fixing cyanobacterium which can also form symbi...

    Text Solution

    |

  2. The first clinical gene therapy was done for the treatment of

    Text Solution

    |

  3. Dolly, the sheep was obtained by a technique known as

    Text Solution

    |

  4. The amino acid content of insulin is

    Text Solution

    |

  5. What was the first pharmaceutical product of recombinant DNA technolog...

    Text Solution

    |

  6. Which one the following cannot be detected by ELISA?

    Text Solution

    |

  7. What is genetically engineered insulin ?

    Text Solution

    |

  8. Explain how "Rosie" is different from a normal cow.

    Text Solution

    |

  9. Gene therapy is an attempt to correct a Genetic defect by providing a ...

    Text Solution

    |

  10. What are DNA vaccines ?

    Text Solution

    |

  11. Can RNA be amplified by PCR? Give reason for your answer.

    Text Solution

    |

  12. Where do genetically modified organisms play a positive role in develo...

    Text Solution

    |

  13. What are stem cells? Explain their role in the field of medicine.

    Text Solution

    |

  14. What are stem cells? Explain their role in the field of medicine.

    Text Solution

    |

  15. Explain why cloning of Dolly, the sheep was such a major scientific br...

    Text Solution

    |

  16. What are transgenic animals?

    Text Solution

    |

  17. Give some example for transgenic animals.

    Text Solution

    |

  18. How does recombinant DNA technology help in treating haemophilia patie...

    Text Solution

    |

  19. Write a short note on interferons.

    Text Solution

    |

  20. Expand ELISA.

    Text Solution

    |

  21. Name the different ELISA methods.

    Text Solution

    |