NEET-UG Biology · Class 12
Antibodies, vaccination and immunisation — NEET & JEE Questions
Antibodies, vaccination and immunisation is a topic in Human Health and Disease, a Class 12 Biology chapter of the NEET-UG syllabus. TestBudy holds 12 published NEET-UG questions on Antibodies, vaccination and immunisation, each with the marking scheme of the real paper.
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Antibodies, vaccination and immunisation MCQs with solutions
10 of the 12 published questions on this topic, exactly as they appear in a test. Answers and worked solutions come with your result rather than on this page.
What is the main purpose of vaccination?
- A. To prevent antibody formation
- B. To kill every pathogen already present
- C. To replace all innate defences
- D. To build immune memory
Which type of immunity results when a person receives ready-made antibodies?
- A. Passive immunity
- B. Active immunity
- C. Innate immunity only
- D. Cell-mediated immunity only
Antibodies are produced mainly by
- A. plasma cells derived from B lymphocytes
- B. red blood cells
- C. platelets
- D. neurons
Vaccination commonly protects by
- A. inducing immunological memory before natural exposure to the pathogen
- B. providing immediate lifelong antibiotics
- C. destroying all microbes in the environment
- D. preventing formation of lymphocytes
A person receives a vaccine and later mounts a faster, stronger response to the same pathogen. This is mainly due to
- A. memory lymphocytes
- B. loss of all antibodies after vaccination
- C. absence of antigen recognition
- D. reduced lymphocyte numbers
Injection of preformed antibodies after a snake bite provides
- A. passive immunity
- B. active immunity
- C. autoimmunity
- D. allergy
Which feature best distinguishes active from passive immunisation?
- A. Active immunisation generates the recipient's own immune response and memory
- B. Passive immunisation always creates long-lasting memory
- C. Active immunisation uses only antibodies
- D. Passive immunisation takes weeks to act
A booster vaccine dose is given mainly to
- A. re-stimulate memory cells and raise protective immunity
- B. erase immune memory
- C. suppress antibody production
- D. convert active immunity to passive immunity
A vaccinated person encounters the same pathogen years later and produces antibodies rapidly. What best explains the faster response?
- A. The pathogen has lost all antigens
- B. Memory cells from the primary response
- C. Innate barriers have become antigen-specific
- D. Antibodies are permanently stored at high levels
A child receives maternal antibodies through the placenta. This protection is classified as
- A. natural passive immunity
- B. artificial active immunity
- C. natural active immunity
- D. autoimmune protection
Common mistakes in Antibodies, vaccination and immunisation
Recorded against questions in this topic that are not shown above, so none of these points at an answer you can see on this page.
- Assumes passive immunity has the same long-term memory as active immunisation.
- Classifies immunity by timing alone rather than by who produces the protective antibodies.
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