Summary

• Description:

  The PDF document comprises Catholic Diocese of Kakamega Evaluation Test Biology Paper 2 2026 Pre-Mock Exam with Marking Scheme. The marking scheme is in a different document.

  It was a KCSE Biology Paper 2 examination.

  This comprehensive theory paper assesses deep analytical competence in genetics, physiological processes, ecological methods, and organ adaptations essential for high scores in the KCSE Biology examination.

  • Month Administered: July/August 2026
  • Duration: 2 Hours
  • Total Marks: 80
  • Number of Questions: 8 (Questions 1 - 8)
  • Structure: Section A (40 marks, questions 1-5, answer all), Section B (40 marks, question 6 compulsory, answer either question 7 or 8)

  It covers the following topics:

  • Section A:
    • Genetics: mutation disorders and co-dominance inheritance ratios in beetles
    • Reproduction: hormonal regulation in human menstrual cycles and sexual reproduction
    • Physiology: gaseous exchange, lung ventilation ratios, and alveolar diffusion
    • Cell physiology: osmosis, water relations in plant tissues, and plasmolysis
    • Reception and response: mammalian eye structure, accommodation, and retinal adaptations
  • Section B:
    • Population ecology: graphical analysis of guinea pig population dynamics and carrying capacity
    • Ecological methods: belt transect sampling technique for plant population estimation
    • Biogeochemical cycles: detailed stages of the nitrogen cycle
    • Nutrition and digestion: structural adaptations of mammalian intestines and herbivore dentition
• File Size:

  3.00 MB
• Length:

  6 pages
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  Biology
• Posted By:

  Caleb_Peter

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