Immunity and Vaccination MCQs

1. What type of immunity is developed after recovering from a disease?
(A) Passive natural immunity
(B) Active natural immunity
(C) Passive artificial immunity
(D) Innate immunity

2. Vaccines are used to stimulate the production of:
(A) Red blood cells
(B) Hormones
(C) Antibodies
(D) Enzymes

3. Which of the following provides passive immunity?
(A) Oral polio vaccine
(B) Measles vaccine
(C) Injection of antiserum
(D) MMR vaccine

4. The BCG vaccine is primarily used against which disease?
(A) Cholera
(B) Tuberculosis
(C) Tetanus
(D) Rabies

5. Edward Jenner is famous for developing the first vaccine for:
(A) Polio
(B) Smallpox
(C) Cholera
(D) Rabies

6. Which of the following diseases has been eradicated by vaccination?
(A) Polio
(B) Measles
(C) Smallpox
(D) Tetanus

7. The immunity present from birth is known as:
(A) Active immunity
(B) Passive immunity
(C) Innate immunity
(D) Acquired immunity

8. Which of the following is an example of active artificial immunity?
(A) Immunity from breast milk
(B) Injection of antibodies
(C) Vaccine administration
(D) Antitoxin injection

9. Which cells produce antibodies in the immune system?
(A) T-cells
(B) Macrophages
(C) B-cells
(D) Red blood cells

10. Herd immunity occurs when:
(A) Everyone in a population is vaccinated
(B) A large portion of a population becomes immune
(C) Only children are vaccinated
(D) Immunity is passed through generations