Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEETZoologyHuman Health and Diseases

What is passive immunization?

Options

  1. AActive immunity
  2. BImmunization through vaccine
  3. CInjection of preformed antibodies
  4. DLarge scale production of antigenic polypeptides

Correct answer

C. Injection of preformed antibodies

Step-by-step solution

Passive immunization is the type of immunization where preformed antibodies are directly injected to protect the body against foreign agents, such as in cases of tetanus and snakebites. Vaccines are introduced into the body to produce antibodies against antigenic proteins of pathogen or inactivated/weakened pathogen, which would neutralize the pathogenic agents during actual infection.Active immunity is slow and takes time to give its full effective response when a host is exposed to antigens.Passive immunity is th

Practice Human Health and Diseases on Quantrex Academy →

More from Human Health and Diseases

Which of the following is used as an effective sedative and painkiller for treating post-surgery patients ? 2026Colostrum, secreted by mother during initial days of lactation, is abundant in __________. 2026Which of the following are secondary lymphoid organs ? (a) Bone marrow (b) Tonsils (c) Spleen (d) Thymus Choose the correct answer from the options given below : 2026The following are the stages of life cycle of Plasmodium . Arrange the stages in the proper order. A. The parasites reproduce asexually in RBCs, bursting the cells. B. The parasite 2026Match List I with List II : List I (Drug) List II (Effect) A. Nicotine I. Causes sense of euphoria and increased energy B. Morphine II. Stimulates adrenal gland to release catechol 2026Which of the following statements is correct about Plasmodium ? 2026Which of the following type of immunity is present at the time of birth and is a non-specific type of defence in the human body? 2025Neoplastic characteristics of cells refer to : A. A mass of proliferating cell B. Rapid growth of cells C. Invasion and damage to the surrounding tissue D. Those confined to origin 2025 Full Human Health and Diseases list All NEET PYQs