Summary

• Description:

  The PDF document comprises The Elites Jet Biology Paper 2 2025 Mock Exam with Marking Scheme.

  It is a 231/2 Biology Paper 2 Pre-Mock (March 2025) examination.

  • Duration: 2 Hours
  • Total Marks: 80
  • Number of Questions: 8 (Questions 1–8)
  • Paper Structure: Two sections (A and B); answer all questions in Section A, and in Section B answer Question 6 (compulsory) and either Question 7 or 8.
  • Marking Scheme: The marking scheme is in a different document.

  It covers the following topics:

  • Genetics and inheritance (gene mutation; sickle cell trait using a Punnett square)
  • Excretion and osmoregulation (kidney nephron structure, processes, and hormonal control)
  • Plant physiology (transpiration investigation using a potometer; limitations of the potometer)
  • Organic evolution (evidence from animals in different continents; Lamarck’s theory on flightless birds)
  • Human reproduction (significance of many sperms; fertilisation events; role of corpus luteum in implantation)
  • Ecology and population studies (rainfall vs population changes; predator–prey relationships; trophic levels; carrying capacity; competition)
  • Kingdom Fungi (economic importance)
  • Plant growth (primary growth in plants)
  • Human respiratory system (adaptations of the breathing system to function)
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  BIOLOGY

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