Summary

• Description:

  The MS Word document comprises KCSE 2026 Biology Paper 2 Prediction Paper with Answers (Set 1). 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 emphasizes advanced biological analysis, graphical interpretation, genetic crosses, physiological investigations, and comprehensive essay synthesis.

  • Duration: 2 Hours
  • Total Marks: 80
  • Number of Questions: 8 (Questions 1 - 8)
  • Structure: Two sections: Section A (40 marks, 5 compulsory structured questions) and Section B (40 marks, Question 6 compulsory graph question, plus a choice between Question 7 and Question 8).

  It covers the following topics:

  • Section A:
    • Classification I & II (Comparative skeletal morphology, taxonomy, binomial nomenclature, species concept)
    • Cell Physiology (Osmotic behaviour of red blood cells and plant cells in varied tonicities, active transport)
    • Respiration (Anaerobic respiration in muscle tissues, lactic acid accumulation and oxygen debt debt recovery)
    • Genetics (ABO blood group inheritance, disputed paternity genetic crosses, discontinuous variation)
    • Evolution (Antibiotic resistance evolution in bacteria, divergent evolution, adaptive radiation of bird beak mouthparts, human evolutionary dominance)
  • Section B:
    • Homeostasis and Excretion (Osmoregulation graph plotting, urine output rates under varied osmotic fluid intake, kidney nephron function, endocrine disorders)
    • Transport in Animals (Biochemical cascade of blood clotting in humans)
    • Immune Response (Allergic reactions and hypersensitivity mechanisms)
    • Gaseous Exchange (Structural and physiological adaptations of insect tracheal systems)
    • Reproduction and Dispersal (Morphological adaptations of fruits and seeds to various dispersal agents)
• File Size:

  1.09 MB
• Length:

  12 pages
• Category:

  KCSE Prediction Papers
• Level:

  Form 4
• Subject:

  Biology
• Posted By:

  Caleb_Peter

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