Home
Class 12
BIOLOGY
Why are blue-green algae not popular as ...

Why are blue-green algae not popular as biofertilisers?

Text Solution

Verified by Experts

i) Because blue-green algae are generally aquatic in habitat so show symbiosis with rice plants, Azolla, etc. (ii) Only heterocysts of blue-green algae are N,-fixing cells. (iii) These have a coat of mucilage
Promotional Banner

Topper's Solved these Questions

  • MICROBES IN HUMAN WELFARE

    MODERN PUBLICATION|Exercise NCERT FILE EXEMPLAR PROBLEMS (C. SHORT ANSWER TYPE QUESITONS)|14 Videos

  • MICROBES IN HUMAN WELFARE

    MODERN PUBLICATION|Exercise NCERT FILE EXEMPLAR PROBLEMS (D. LONG ANSWER TYPE QUESTIONS)|6 Videos

  • MICROBES IN HUMAN WELFARE

    MODERN PUBLICATION|Exercise NCERT FILE EXEMPLAR PROBLEMS (MULTIPLE CHOICE QUESTIONS)|19 Videos

  • HUMAN REPRODUCTION

    MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST (SECTION - D LONG TYPE QUESTION)|2 Videos

  • MOLECULAR BASIS OF INHERITANCE

    MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST (Section - E)|1 Videos

Similar Questions

Explore conceptually related problems

Blue-green algae are

Assertion (A): Blue green algae are popular as biofertilisers. Reason (R) : Blue green algae cause algal bloom in polluted water bodies.

Why are algae green ?

Blue -green algae shows

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

Some blue green algae are used as biofertilizers because they

Blue - green algae can be upto

MODERN PUBLICATION-MICROBES IN HUMAN WELFARE-NCERT FILE EXEMPLAR PROBLEMS (B. VERY SHORT ANSWER TYPE QUESTIONS)
  1. What are fermentors?

    Text Solution

    |

  2. Name a microbe used for statin production. How do statins lower blood ...

    Text Solution

    |

  3. Why do we prefer to call secondary waste water treatment as biological...

    Text Solution

    |

  4. What for nucleopolyhedro viruses are being used now a-days?

    Text Solution

    |

  5. How has the discovery of antibiotics helped mankind in the field of me...

    Text Solution

    |

  6. Why is distillation required for producing certain alcoholic drinks?

    Text Solution

    |

  7. Write the most important characteristic that Aspergillus niger, Clostr...

    Text Solution

    |

  8. What would happen if our intestine harbours microbial flora exactly si...

    Text Solution

    |

  9. Give any two microbes that are useful in biotechnology.

    Text Solution

    |

  10. What is the source organism for Eco RI, restriction endonuclease?

    Text Solution

    |

  11. Name any genetically modified crop.

    Text Solution

    |

  12. Why are blue-green algae not popular as biofertilisers?

    Text Solution

    |

  13. Which species of Penicillium produces Roquefort cheese?

    Text Solution

    |

  14. Name the states involvedin Ganga Action Plan.

    Text Solution

    |

  15. Name any two industrially important enzymes.

    Text Solution

    |

  16. Name an immunosuppressive agent.

    Text Solution

    |

  17. Given an example of a rod-shaped virus.

    Text Solution

    |

  18. What is the group of bacteria found in both the rumen of cattle and sl...

    Text Solution

    |

  19. Name a microbe used for the production of Erythromycin

    Text Solution

    |

  20. What are Bioactive molecules?

    Text Solution

    |