Home
Class 12
BIOLOGY
Assertion : Immunisation is achieved by ...

Assertion : Immunisation is achieved by the successful delivery of vaccines.
Reason : Vaccine is a preparation of one or more microbial agents, used to induce active immunity.

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • HUMAN HEALTH AND DISEASE

    NCERT FINGERTIPS ENGLISH|Exercise Human Health And Disease|177 Videos
  • EVOLUTION

    NCERT FINGERTIPS ENGLISH|Exercise All Questions|160 Videos
  • HUMAN REPRODUCTION

    NCERT FINGERTIPS ENGLISH|Exercise Human Reproduction|185 Videos

Similar Questions

Explore conceptually related problems

Assertion : Principle of vaccination is based on the property of 'memory' of the immune system. Reason : In vaccination a preparation of antigenic protein of pathogens or inactivated/ weakened pathogen are introduced into the body.

Assertion: Transgenic mice are being used to test the safety of the polio vaccine Reason :They could not replace the use of monkeys to test the safety of batches of the vaccine

Assertion: Transgenic mice are being used to test the safety of the polio vaccine Reason :They could not replace the use of monkeys to test the safety of batches of the vaccine

Read the following statements and select the correct ones. (i) Vaccine is a preparation (or suspension ) of a dead/attenuated pathogen of a disease which on inoculation ( or injection ) into a healthy person, provides temporary/permanent active immunity by inducing antibodies formation. (ii) Immunisation is the process by which the body produces antibodies against the vaccine preventable diseases through administration of specific vaccines. (iii) The principle of immunisation or vaccination is based on the property of 'memory' of the immune system. iv) If a person is infected with some deadly microbes to which quick immune response is required; in that case, we need to directly inject the performed antibodies or antitoxins e.g., in case of tetanus.

Assertion: Transgenic mice are beging developed for use in testing the safety of vaccines before they are used on human Reason :They are being used to test the safety of polio vaccine. (a) If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion (b) If both Assertion & Reason are True but Reason is not a correct explanation of the Assetion (c) If Assertion is True but the Reason is False (d) If both Assertion & Reason are false

Which one of the following can not be used for preparation of vaccines against plague

Assertion: Many physical and chemical agents induce inheritable mutations. Reason: Germ cells are not immune to the changes in environmental factors.

Read the following statements and select the correct option. Statement 1 : Active immunity is developed when a person's own cells produce antibodies in reponse to infection or vaccine. Statement 2 : Injection of snake antivenom against snake bite is an example of active immunisation.

Assertion : In a chemical engineering process, it is necessary to prepare sterile ambience. Reason : Sterile ambience inhibits the growth of undesirable microbes during manufacture of product like antibiotics, vaccines and enzymes.

What is vaccination ? Mention the four ways in which vaccines are prepared, giving the name I of one disease for which each type of vaccine is used.

NCERT FINGERTIPS ENGLISH-HUMAN HEALTH AND DISEASE-Human Health And Disease
  1. One of the following is not the causal organism for ringworm.

    Text Solution

    |

  2. A person with sickle cell anaemia is

    Text Solution

    |

  3. Assertion : Streptococcus pneumoniae and Haemophilus influenzae are re...

    Text Solution

    |

  4. Assertion : In malaria, a person experiences chills and high fever rec...

    Text Solution

    |

  5. Assertion : Inspite of exposure to large number of infectious agents h...

    Text Solution

    |

  6. Assertion : Mucous membrane immobilises the micro-organisms in the bod...

    Text Solution

    |

  7. Assertion : Virus-infected cells secrete proteins known as interferons...

    Text Solution

    |

  8. Assertion : Subsequent encounter with the same pathogen elicits a high...

    Text Solution

    |

  9. Assertion : All immunoglobulin molecules have a basic structure compse...

    Text Solution

    |

  10. Assertion : IgG is the most abundant class of Igs in the body. Reaso...

    Text Solution

    |

  11. Assertion : Cornea is considered as an immunologically privileged site...

    Text Solution

    |

  12. Assertion : Artificially acquired passive immunity results when antibo...

    Text Solution

    |

  13. Assertion : Immunisation is achieved by the successful delivery of vac...

    Text Solution

    |

  14. Assertion : Mucus associated lymphoid tissues are specialised immune b...

    Text Solution

    |

  15. Assertion : Antiretroviral drugs are very effective in treatment again...

    Text Solution

    |

  16. Assertion : Benign tumours are called neoplastic cells. Reason : Mal...

    Text Solution

    |

  17. Assertion : Proto-oncogenes are cellular genes required for normal gro...

    Text Solution

    |

  18. Assertion : Opioids help to enhance respiratory activity. Reason : O...

    Text Solution

    |

  19. Assertion : Morphine is very effective and sedative painkiller. Reas...

    Text Solution

    |

  20. Assertion : Tobacco contains a large number of alkaloids including nic...

    Text Solution

    |