Summary

• Description:

  The MS Word document comprises KCSE 2026 Biology Paper 2 Prediction Paper with Answers (Set 5). The PDF version is also available upon your request. The marking scheme is in a different document.

  It was a KCSE Biology Paper 2 prediction examination designed to prepare candidates for the national assessment.

  This examination delivers an extensive evaluation of core biological themes through in-depth data analysis, experimental design, and structured essay questions. It challenges learners on cellular respiration energetics, selective permeability, biochemical cycles, thermoregulation dynamics, and sensory adaptations.

  • Duration: 2 Hours
  • Number of Questions: 8 (Questions 1 - 8)
  • Structure: Two sections; Section A (Questions 1-5, compulsory structured questions) and Section B (Question 6 compulsory data analysis, and an alternative choice between essay Questions 7 and 8)

  It covers the following topics:

  • Section A
    • Respiration: Energetics of Respiratory Substrates, Aerobic vs Anaerobic Pathways, and Substrate Preference
    • Cell Physiology: Osmosis and Selective Permeability using Visking Tubing and Haemolysis in Red Blood Cells
    • Photosynthesis: Factors Affecting Photosynthesis (Temperature and Bubble Production) and Intestinal Villus Adaptation
    • Genetics: Monohybrid Inheritance, Sickle Cell Anaemia, Heterozygote Advantage in Malaria Regions, and Non-disjunction
    • Ecology and Biogeochemical Cycles: Nitrogen Cycle Steps, Symbiotic Fixation, and Pesticide Interference
  • Section B
    • Homeostasis and Excretion: Graphical Analysis of Urine and Sweat Production Against External Temperature, Cooling Mechanisms, and Poikilotherm Behavioural Adaptations
    • Sensory Organs: Structural and Functional Adaptations of the Human Eye
    • Ecology: Interspecific Relationships (Parasitism, Predator-Prey Dynamics, and Symbiosis)
• File Size:

  305.28 KB
• Length:

  12 pages
• Category:

  KCSE Prediction Papers
• Level:

  Form 4
• Subject:

  Biology
• Posted By:

  Caleb_Peter

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