Summary

• Description:

  The MS Word document comprises BUNTRA Joint Examination Biology Paper 2 2025 Mock Exam with Marking Scheme. The PDF version is also available upon your request. The marking scheme is in a different document.

  It is a 231/2 Biology (Theory) Paper 2 BUNTRA Examinations 2025 assessment.

  • Duration: 2 Hours
  • Total Marks: 80
  • Number of Questions: 8 (Section A: Questions 1–5; Section B: Questions 6–8)
  • Paper Structure: Answer ALL questions in Section A. In Section B, answer Question 6 (compulsory) and any other one question (either 7 or 8).
  • Marking Scheme: The marking scheme is in a different document.

  It covers the following topics:

  • Genetics and inheritance: ABO blood groups, genotypes, Punnett square, and codominance
  • Human circulatory system: mammalian heart structure, oxygenated vs deoxygenated blood, and sinoatrial node (pacemaker)
  • Cell biology: mitochondrion structure (cristae) and its functions; cells with many mitochondria
  • Plant tissues: meristematic tissue (growth) and photosynthetic tissue (food manufacture)
  • Ecology: food chains and effects of removing predators; population characteristics
  • Health and disease: causative agent of cholera
  • Plant epidermis and stomata: parts of stomata, xerophyte adaptations, and respiratory surfaces in flowering plants
  • Osmosis and membrane transport: effect of temperature on movement of water molecules; turgid vs flaccid cells; semi-permeable membranes; behaviour of RBCs in distilled water vs plant cells
  • Nervous coordination: reflex actions, types of reflexes, and reflex arc events when touching a hot/sharp object
  • Reproduction in plants and humans: insect vs wind pollination; adaptations of ovary, uterus, cervix, and fallopian tube
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  BIOLOGY

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