AQA Biology B1.1: Keeping Healthy

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1. Which of the following is an apparatus usually used in the development of controlled bacteria cultures?

  • Inoculating loop
  • Immunising loop
  • Vaccinating loop
  • Sterilising loop
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2. Genetic alterations can result in a new forms of pathogens. These new forms may develop into entire strands of antibiotic resistant bacteria through...

  • Selective inheritance
  • Natural selection
  • The theory of acquired characteristics
  • Genetic descendancy

3. Which of the following is not a method by which white blood cells combat pathogens?

  • Produce and emit antitoxins, which counteract the effects of pathogens' toxins. Antitoxins are specialised
  • Produce and emit flagellites, which begin to break down all constituent amino acids of the bacteria, starting at the flagella
  • Change their shape and ingest the pathogen through surrounding and engulfing it
  • Emit specialised antibodies to destroy the antigens (surface proteins) of the pathogens

4. Who discovered penicillin, perhaps the most famous antibiotic?

  • Sir Alexander Fleming, FRSE, FRS, FRCS
  • Rt. Hon. Ernest Rutherord, Baron of Nelson, OM, FRS
  • Charles Darwin, FRS
  • Rosalind Franklin

5. Some vaccines may have detrimental, even dangerous side effects. True or false?

  • True: Vaccines cause immunity, but also, sometimes, other ailments; it is worth contracting a short-term mild illness for entire prevention of a more serious one, however, most people argue
  • False: Vaccines are entirely safe; immunity is not worth the risk of contraction of another disease, most people argue

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