Lesson 4.3.1.7

4.3.1.7 Vaccination Quiz: AQA Biology, Unit 3

20 questions

Written by Revision Ninja · Last reviewed 11 October 2026

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Lesson 4.3.1.7, Vaccination: 20 multiple choice questions for the AQA GCSE Biology (8461), Unit 3: Infection and response, written with Revision Ninja.

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The 20 questions

  1. Which type of pathogen material does a vaccine introduce into the body?

    • Inactive pathogens
    • Live virulent viruses
    • Synthetic antibiotics
    • Active bacterial toxins

  2. Which molecules do white blood cells produce in response to a vaccine?

    • Antibodies
    • Antitoxins
    • Antibiotics
    • Antigens

  3. What happens to antibody production if a vaccinated person encounters the same pathogen again?

    • Delayed response
    • Faster response
    • Slower response
    • No response

  4. What is the main outcome of immunising a large proportion of a population?

    • Reduced pathogen spread
    • Pathogen mutation
    • Increased transmission rate
    • Antibiotic resistance

  5. Which blood cells produce antibodies after a vaccination is given?

    • Nerve cells
    • Red blood cells
    • Blood platelets
    • White blood cells

  6. What state of pathogen is typically introduced into the body during vaccination?

    • Highly toxic
    • Fully active
    • Genetically modified
    • Dead or inactive

  7. What term describes protecting a community by immunising a large proportion of people?

    • Herd immunity
    • Active transport
    • Natural selection
    • Selective breeding

  8. What is the primary purpose of vaccinating an individual against a pathogen?

    • Prevent illness
    • Relieve pain symptoms
    • Kill active bacteria
    • Provide antibiotics

  9. What do dead or inactive pathogens in a vaccine trigger white blood cells to make?

    • Antibiotics
    • Antibodies
    • Painkillers
    • Antitoxins

  10. What term describes a substance that triggers antibody production?

    • Enzyme
    • Vitamin
    • Antigen
    • Hormone

  11. If 90% of a population is immunised against a pathogen, how is transmission affected?

    • Doubled immediately
    • Greatly increased
    • Completely unaffected
    • Greatly reduced

  12. Why is the secondary immune response faster after a person receives a vaccine?

    • Thicker cell membranes
    • Slower antibody production
    • Faster antibody production
    • Destroyed white cells

  13. Why do dead pathogens in a vaccine fail to cause the actual disease?

    • Produce excess toxins
    • Cannot reproduce
    • Damage organs directly
    • Destroy blood cells

  14. How does a vaccination differ from a natural infection by a live pathogen?

    • Permanent tissue damage
    • No antibodies made
    • No disease caused
    • No immune response

  15. How does widespread vaccination help protect unvaccinated individuals in a community?

    • Improved air quality
    • Fewer infected individuals
    • Stronger skin barriers
    • Inactivated antibiotics

  16. What happens when a vaccinated individual encounters the active pathogen in the future?

    • Delayed immune response
    • Rapid antibody production
    • Antibiotic destruction
    • Severe disease symptoms

  17. What is it called when most of a population is immune to a pathogen?

    • Mass vaccination
    • Active immunity
    • Passive immunity
    • Herd immunity

  18. What is the main advantage of using inactive pathogens in vaccines?

    • Prevents immunity
    • Destroys antibodies
    • Prevents disease symptoms
    • Kills white cells

  19. What happens to a vaccine's effectiveness if the pathogen mutates significantly?

    • It increases
    • It decreases
    • It stops mutation
    • It stays identical

  20. What do white blood cells produce in response to a vaccine?

    • Pathogens
    • Antigens
    • Antibiotics
    • Antibodies

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