Home
Class 12
BIOLOGY
Assertion : Active immunity is acquired ...

Assertion : Active immunity is acquired through the use of a person's immune responses, which lead to the development of memory cells.
Reason : Active immunity results from an infection or an immunization.

A

Assertion and Reason are correct, Reason is the correct explanation of Assertion.

B

Assertion and Reason are correct, Reason is not the correct explanation of Assertion.

C

Assertion are correct, Reason is wrong.

D

Both Assertion and Reason are wrong.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • HUMAN HEALTH AND DISEASES

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTIONS AND ANSWERS (ANSWER THE FOLLOWING)|28 Videos
  • HUMAN HEALTH AND DISEASES

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTIONS AND ANSWERS (ANSWER THE FOLLOWING)|28 Videos
  • EVOLUTION

    PREMIERS PUBLISHERS|Exercise Other important questions & answers (IV. Answer the following: 5 Marks).|4 Videos
  • HUMAN REPRODUCTION

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTIONS & ANSWERS ( Answer the following)|37 Videos

Similar Questions

Explore conceptually related problems

What is active immunity?

What is the immune response which produce antibodies immediately? Explain.

Allergy is over active immune response mediated 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.

Assertion : Artificially acquired passive immunity results when antibodies or lymphocytes produced outside the host are introduced into a host. Reason : A bone marrow transplant given to a patient with genetic immunodeficiency is an example of artificially acquired active immunity.

Assertion: Immune response of old persons become weak. Reason: Thymus degenerates in old individuals.

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.

Select the correct statements regarding the characteristics of acquired immunity. (i) Cell-mediated immunity is responsible for acquired immunity. (ii) It produces a primary response of low intensity. (iii) Active and passive immunity are types of acquired immunity, (iv) Polymorphonuclear leucocytes and natural killer cells are involved in acquired immunity.

Point out the differences between active and passive immunity .