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Nutrient cycles: CAIE IGCSE Biology questions

Every CAIE IGCSE Biology exam question on 19.3 Nutrient cycles, June 2024 and the specimen papers, with its mark scheme and examiner’s report.

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346 questions

  1. Q37

    June 2024 · Paper 1

    1 mark19.3 Nutrient cycles
    The whole paper ↗
    June 2024 Paper 1, question 37: Some of the processes involved in the carbon cycle are listed. 1 combustion 2 decomposition 3 photosynthesis 4 respiration During the carbon cycle, which proces

  2. Q38

    June 2024 · Paper 2

    1 mark19.3 Nutrient cycles
    The whole paper ↗
    June 2024 Paper 2, question 38: Which organisms remove nitrate ions from soil? A denitrifying bacteria and nitrogen-fixing bacteria in root nodules B denitrifying bacteria and plants C nitrify

  3. Q36

    Specimen · Paper 1

    1 mark19.3 Nutrient cycles
    The whole paper ↗
    Specimen Paper 1, question 36: The table shows processes in the carbon cycle that release carbon dioxide into the air, or remove carbon dioxide from the air. Which row is correct? releases ca

  4. Q35

    Specimen · Paper 2

    1 mark19.3 Nutrient cycles
    The whole paper ↗
    Specimen Paper 2, question 35: The diagram shows part of the nitrogen cycle. nitrogen in atmosphere Z W animals plants nitrate ions Y X ammonium ions Which row identifies the bacteria involve

  5. Q36

    Specimen · Paper 2

    1 mark19.3 Nutrient cycles
    The whole paper ↗
    Specimen Paper 2, question 36: The table shows processes in the carbon cycle that release carbon dioxide into the air, or remove carbon dioxide from the air. Which row is correct? releases ca

  6. Q6(b)(i)

    Specimen · Paper 4

    2 marks19.3 Nutrient cycles
    The whole paper ↗
    Specimen Paper 4, question 6(b)(i): State the name of process A in Fig. 6.2 and give the type of organism that converts ammonium ions to nitrate ions. A type of organism [2]

  7. Q6(b)(iv)

    Specimen · Paper 4

    1 mark19.3 Nutrient cycles
    The whole paper ↗
    Specimen Paper 4, question 6(b)(iv): State the process that occurs at B. [1]
All 7 questions on Nutrient cycles, as a list
  1. June 2024, Paper 1, Q37 (1 mark): Some of the processes involved in the carbon cycle are listed. 1 combustion 2 decomposition 3 photosynthesis 4 respiration During the carbon cycle, which proces
  2. June 2024, Paper 2, Q38 (1 mark): Which organisms remove nitrate ions from soil? A denitrifying bacteria and nitrogen-fixing bacteria in root nodules B denitrifying bacteria and plants C nitrify
  3. Specimen, Paper 1, Q36 (1 mark): The table shows processes in the carbon cycle that release carbon dioxide into the air, or remove carbon dioxide from the air. Which row is correct? releases ca
  4. Specimen, Paper 2, Q35 (1 mark): The diagram shows part of the nitrogen cycle. nitrogen in atmosphere Z W animals plants nitrate ions Y X ammonium ions Which row identifies the bacteria involve
  5. Specimen, Paper 2, Q36 (1 mark): The table shows processes in the carbon cycle that release carbon dioxide into the air, or remove carbon dioxide from the air. Which row is correct? releases ca
  6. Specimen, Paper 4, Q6(b)(i) (2 marks): State the name of process A in Fig. 6.2 and give the type of organism that converts ammonium ions to nitrate ions. A type of organism [2]
  7. Specimen, Paper 4, Q6(b)(iv) (1 mark): State the process that occurs at B. [1]

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