Summary

• Description:

  The PDF document comprises Alliance Boys High School Biology Paper 2 2024 Mock Exam with Answers (Marking Scheme). The marking scheme is towards the end of the document.

  It is a KCSE Biology Paper 2 (Theory) mock examination.

  • Duration: 2 Hours
  • Total Marks: 80
  • Number of Questions: Section A (Questions 1–5 compulsory) and Section B (Question 6 compulsory and either Question 7 or 8)

  It covered the following topics:

  • Plant reproduction including advantages of cross-pollination and mechanisms preventing self-pollination
  • Functions of mammalian reproductive structures such as seminiferous tubules, oviduct, and prostate gland
  • Classification and structure of unicellular organisms and identification of cell organelles
  • Exchange between blood and body cells including tissue fluid formation and gas diffusion
  • Blood cells and their roles in transport
  • Genetics including sex-linked inheritance and hemophilia
  • Human genetic crosses and genotype prediction
  • X-linked disorders and their inheritance patterns
  • Comparative embryology as evidence of evolution
  • Enzyme action including enzyme inhibition, enzyme concentration, and factors affecting enzyme activity
  • Digestion of proteins and identification of digestive enzymes
  • Structure of seeds and functions of seed parts
  • Types of germination and comparison between epigeal and hypogeal germination
  • Temperature regulation and cooling effects of evaporation (sweating model experiment)
  • Graph plotting and interpretation of experimental biological data
  • Heat loss mechanisms and insulation in animals
  • Thermoregulation and temperature receptors in the human body
  • Differences between breathing and tissue respiration
  • Transport of carbon (IV) oxide from tissues to the lungs
  • Plant growth regulators including roles of auxins and ethylene
  • Adaptations of xerophytes to dry environments
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  BIOLOGY

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