Lesson 4.3.1.1

4.3.1.1 Communicable (infectious) diseases Quiz: AQA Biology, Unit 3

20 questions

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Lesson 4.3.1.1, Communicable (infectious) diseases: 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. What term describes microorganisms that cause infectious diseases in plants and animals?

    • Phagocytes
    • Pathogens
    • Antigens
    • Antibodies
  2. Which of the following is a primary pathway for spreading communicable pathogens?

    • Ionising radiation
    • Genetic inheritance
    • Air and water
    • Sunlight exposure
  3. What process do bacteria and viruses carry out rapidly inside an infected host?

    • Phagocytosis
    • Reproduction
    • Neutralisation
    • Photosynthesis
  4. What harmful substances do bacteria produce inside the body that damage tissue?

    • Antigens
    • Enzymes
    • Antibodies
    • Toxins
  5. Where do viruses live and reproduce inside an infected host organism?

    • On cell membranes
    • In blood plasma
    • In tissue fluid
    • Inside cells
  6. Which type of microorganism can act as a pathogen in both plants and animals?

    • Red blood cells
    • Platelets
    • White blood cells
    • Bacteria
  7. Which measure helps to reduce the spread of communicable diseases in a population?

    • Taking painkillers
    • Cooling the skin
    • Drinking sugary drinks
    • Good hygiene
  8. How are airborne pathogens primarily transmitted from one person to another?

    • Insect bites
    • Skin contact
    • Contaminated food
    • Inhaled droplets
  9. Which type of pathogen causes the plant disease known as rose black spot?

    • Protist
    • Bacterium
    • Virus
    • Fungus
  10. What do bacterial pathogens release that directly damages host tissues?

    • Antibiotics
    • Antigens
    • Hormones
    • Toxins
  11. How can communicable pathogens pass directly between infected and uninfected individuals?

    • Genetic inheritance
    • Reflected light
    • Direct contact
    • Radiation waves
  12. What harmful substances do bacteria produce that damage tissues and make us feel ill?

    • Antigens
    • Antibodies
    • Enzymes
    • Toxins
  13. Which human disease is caused by a protist pathogen?

    • Measles
    • Rose black spot
    • Salmonella
    • Malaria
  14. Which plant disease is caused by a fungal pathogen?

    • Tobacco mosaic virus
    • Gonorrhoea
    • Rose black spot
    • Crown gall
  15. How do bacteria and viruses multiply rapidly inside the host body?

    • Binary fission only
    • Spore formation
    • Cellular respiration
    • Rapid reproduction
  16. What term describes a disease that can spread between organisms?

    • Non-communicable
    • Inherited
    • Communicable
    • Deficiency
  17. Where do viruses reproduce inside a host organism?

    • On cell membranes
    • Inside cells
    • In tissue fluid
    • In blood plasma
  18. Which of the following is a main way pathogens spread between individuals?

    • Radiation exposure
    • Poor diet
    • Direct contact
    • Genetic mutation
  19. What measure helps reduce the spread of a communicable disease?

    • Taking painkillers
    • Isolating individuals
    • Eating protein
    • Exercising regularly
  20. Which mechanism spreads pathogens through sneezes and coughs?

    • Insect vectors
    • Airborne droplets
    • Skin contact
    • Contaminated water

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