plumiKingdoms and domains: OCR A‑Level Biology A questions
OCR A-Level Biology A past-paper questions on 4.2.2.2 Kingdoms and domains, 2016–2025, with mark schemes and examiner’s reports where available.
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All 18 questions on Kingdoms and domains, as a list
- June 2025, Paper 2, Q7 (1 mark): The image shows an organism called Euglena gracilis. Contractile vacuole Flagellum Chloroplast Nucleus Which kingdom does Euglena belong to? A Animalia B Planta
- June 2025, AS Paper 2, Q4(b) (2 marks): Organisms were originally classified into five kingdoms. State two general features of organisms classified in the Plantae kingdom that are not features of orga
- June 2025, AS Paper 2, Q4(d) (2 marks): State two differences between the five kingdom and three domain classification systems. 1 2 [2]
- June 2024, Paper 2, Q18(a)(iv) (1 mark): All the species in the table belong to the animal kingdom. Other than the presence or absence of vacuoles, state two features of the cells of these multicellula
- June 2023, Paper 3, Q7(a) (3 marks): The table shows a comparison of some features of the three domains. Feature Archaea Bacteria Eukarya Type of DNA polymerase SFB and SFD SFA and SFC SFB Type of
- June 2023, AS Paper 1, Q6 (1 mark): Which kingdom contains species that are heterotrophic and composed of hyphae? A Fungi B Plantae C Prokaryotae D Protoctista Your answer [1]
- June 2023, AS Paper 1, Q24(c) (3 marks): Diatoms are members of the domain Eukarya. Complete the sentences about domains using the most appropriate terms. The process of sorting of organisms into taxon
- November 2021, AS Paper 2, Q4(b) (2 marks): The malarial pathogen, Plasmodium, is a protoctist. State two features of organisms that belong to the Kingdom Protoctista. 1 2 [2]
- November 2020, Paper 2, Q21(b)(i) (4 marks): At various times, algae have been classified in different kingdoms. Using the information given above, draw a conclusion about which kingdom is the most appropr
- November 2020, Paper 2, Q21(b)(ii) (1 mark): Suggest one piece of evidence not given above that could be used to provide strong support for the classification of algae in a particular kingdom. [1]
- November 2020, AS Paper 1, Q26(a)(i) (1 mark): Name the genus of the protoctist in the table. [1]
- November 2020, AS Paper 1, Q26(a)(ii) (2 marks): Use the information in the table to determine the kingdom and cell wall molecule for S. tuberosum and C. pallens. Write your answers in the table below. species
- June 2018, Paper 3, Q5(a)(ii) (2 marks): Explain why Pinus glabra and humans, Homo sapiens, are classified in the same domain but in different kingdoms. [2]
- June 2017, AS Paper 1, Q24(a)(i) (1 mark): Name the cell component that appears in organisms of all three domains that Woese suggested. [1]
- June 2017, AS Paper 1, Q24(a)(ii) (2 marks): One of the domains he suggested is called Eukarya. Name the other two domains. 1 2 [2]
- June 2017, AS Paper 1, Q24(a)(iii) (2 marks): State two defining features of all members of the domain Eukarya. [2]
- June 2017, AS Paper 1, Q24(b) (2 marks): Woese carried out a detailed study of RNA molecules in order to draw his conclusions. Suggest two ways in which the scientific community are likely to have vali
- June 2016, AS Paper 1, Q10 (1 mark): Which of the following options, A to D, lists the three domains of life? A Archaea, Bacteria and Eukaryota B Bacteria, Prokaryota and Eukaryota C Prokaryotae, P
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