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Antibiotic resistance: Edexcel A‑Level Biology B questions

Every Edexcel A-Level Biology B exam question on 6.4 Antibiotic resistance, 2016–2025, with its mark scheme and examiner’s report.

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1,826 questions

  1. Q4(d)(i)

    June 2023 · Paper 1

    1 mark6.4 Antibiotic resistance
    The whole paper ↗
    June 2023 Paper 1, question 4(d)(i): Calculate the ratio of the number of people who took antibiotics without a prescription to the number of people who took antibiotics with a prescription. Give y

  2. Q4(d)(ii)

    June 2023 · Paper 1

    2 marks2.2 Viruses6.4 Antibiotic resistance
    The whole paper ↗
    June 2023 Paper 1, question 4(d)(ii): Explain why antibiotics should not be taken by people with viral infections. (2)

  3. Q7(b)

    November 2021 · Paper 1

    2 marks6.4 Antibiotic resistance
    The whole paper ↗
    November 2021 Paper 1, question 7(b): One method of controlling the spread of antibiotic resistance is to avoid unnecessary prescriptions of antibiotics. The table shows some illnesses and whether a

  4. Q7(c)(i)

    November 2021 · Paper 1

    2 marks6.4 Antibiotic resistance
    The whole paper ↗
    November 2021 Paper 1, question 7(c)(i): Calculate the ratio of tetracycline-resistant E.coli in all the chickens to tetracycline-resistant E.coli in cattle. (2) Answer

  5. Q7(c)(ii)

    November 2021 · Paper 1

    2 marks6.4 Antibiotic resistance
    The whole paper ↗
    November 2021 Paper 1, question 7(c)(ii): There was a total of 2 × 108 E.coli isolated from cattle and 6 × 109 E.coli isolated from rodents. Calculate how many more E.coli are resistant to cephalothin i

  6. Q7(c)(iii)

    November 2021 · Paper 1

    4 marks6.4 Antibiotic resistance
    The whole paper ↗
    November 2021 Paper 1, question 7(c)(iii): Antibiotics can be added to animal feed. It is thought this use of antibiotics has contributed to the spread of antibiotic resistance. Evaluate the extent to wh

  7. Q10(c)(i)

    June 2018 · Paper 3

    2 marks6.4 Antibiotic resistance
    The whole paper ↗
    June 2018 Paper 3, question 10(c)(i): A single bacterium can produce 2 ´ 1010 new cells per day by cell division. The mean mutation rate in one day is 1 in 10 million new cells produced. Calculate t

  8. Q10(c)(ii)

    June 2018 · Paper 3

    3 marks6.4 Antibiotic resistance
    The whole paper ↗
    June 2018 Paper 3, question 10(c)(ii): Explain how bacteria may become resistant to streptomycin if a mutation changes the primary structure of a protein. (3)

  9. Q1(b)

    June 2017 · Paper 3

    5 marks6.4 Antibiotic resistance
    The whole paper ↗
    June 2017 Paper 3, question 1(b): The table shows information about five antibiotics. Time for first resistant Number of different types Year Antibiotic strain of bacteria to be of each antibiot
All 9 questions on Antibiotic resistance, as a list
  1. June 2023, Paper 1, Q4(d)(i) (1 mark): Calculate the ratio of the number of people who took antibiotics without a prescription to the number of people who took antibiotics with a prescription. Give y
  2. June 2023, Paper 1, Q4(d)(ii) (2 marks): Explain why antibiotics should not be taken by people with viral infections. (2)
  3. November 2021, Paper 1, Q7(b) (2 marks): One method of controlling the spread of antibiotic resistance is to avoid unnecessary prescriptions of antibiotics. The table shows some illnesses and whether a
  4. November 2021, Paper 1, Q7(c)(i) (2 marks): Calculate the ratio of tetracycline-resistant E.coli in all the chickens to tetracycline-resistant E.coli in cattle. (2) Answer
  5. November 2021, Paper 1, Q7(c)(ii) (2 marks): There was a total of 2 × 108 E.coli isolated from cattle and 6 × 109 E.coli isolated from rodents. Calculate how many more E.coli are resistant to cephalothin i
  6. November 2021, Paper 1, Q7(c)(iii) (4 marks): Antibiotics can be added to animal feed. It is thought this use of antibiotics has contributed to the spread of antibiotic resistance. Evaluate the extent to wh
  7. June 2018, Paper 3, Q10(c)(i) (2 marks): A single bacterium can produce 2 ´ 1010 new cells per day by cell division. The mean mutation rate in one day is 1 in 10 million new cells produced. Calculate t
  8. June 2018, Paper 3, Q10(c)(ii) (3 marks): Explain how bacteria may become resistant to streptomycin if a mutation changes the primary structure of a protein. (3)
  9. June 2017, Paper 3, Q1(b) (5 marks): The table shows information about five antibiotics. Time for first resistant Number of different types Year Antibiotic strain of bacteria to be of each antibiot

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