Home
Class 12
BIOLOGY
What is antigen? Describe the types of i...

What is antigen? Describe the types of immunity?

Promotional Banner

Topper's Solved these Questions

  • 2016- QUESTION PAPER

    UNITED BOOK HOUSE|Exercise EXERCISE |50 Videos

  • 2017- QUESTION PAPER

    UNITED BOOK HOUSE|Exercise EXERCISE |50 Videos

Similar Questions

Explore conceptually related problems

What are antigens?

What is a semiconductor? Describe the two main types of semiconductor and contrast their conduction mechanism.

What is stem? Describe the morphology of stem with diagram. What are the types of stem? What are the functions of stem.

What is bud? Describe difference types of buds with examples.

What is fruit? What are the types of fruits? Describe the structure of a typical fruit with diagram.

What is called essential fatty acid? Describe the types & functions of it?

What is apomixis? Describe different types of apomixis in flowering plant.

What is seed? Describe different types of seeds with diagram and example. Describe the structure of an endospermic dicotyledonous and endospermic monocotyledonous seed with diagram.

What is placenta? Describe functions.

What is fertilization? Describe the different types of fertilization.

UNITED BOOK HOUSE-2017 QUESTION PAPER-EXERCISE
  1. What are the effects of ozone layer depletion?

    Text Solution

    |

  2. Distinguish between Isogamy and Anisogamy. What is Zoospore?

    Text Solution

    |

  3. Mention the changes in the ovary during menstrual cycle.

    Text Solution

    |

  4. Mention briefly the initiation phase of Translation process.

    Text Solution

    |

  5. Describe the significance of Hardy-Weinberg's principle.

    Text Solution

    |

  6. What do you mean by multiple allele? Explain it with the example of hu...

    Text Solution

    |

  7. What is antigen? Describe the types of immunity?

    Text Solution

    |

  8. Name the causal organism of Ascariasis. Describe its mode of transmiss...

    Text Solution

    |

  9. Name one exotic carp. What is hypophysation?

    Text Solution

    |

  10. What is BOD? Briefly describe the sewage treatment process.

    Text Solution

    |

  11. Define Genetic Engineering. Mention the steps of Genetic Engineering p...

    Text Solution

    |

  12. What do you mean by. Transgenic plant? Give one example.

    Text Solution

    |

  13. Write a short note on Gene therapy.

    Text Solution

    |

  14. Mention the causes of deforestation.

    Text Solution

    |

  15. What do you mean by Population? Describe Halophytic adaptation in plan...

    Text Solution

    |

  16. Describe briefly the process of double fertilization in Angiosperms. W...

    Text Solution

    |

  17. Describe in brief the female reproductive system of human with diagram...

    Text Solution

    |

  18. What is Genetic Code? Mention the main features of Transcription proce...

    Text Solution

    |

  19. Write down the characteristics of Klinefelter's syndrome and Turner's ...

    Text Solution

    |

  20. Mention the sources of air pollution and describe briefly its ill effe...

    Text Solution

    |