Summary

• Description:

  The PDF document comprises MOKASA I Joint Examination Biology Paper 3 2025 Mock Exam with Marking Scheme.

  It is a KCSE Biology Paper 3 (Practical) (231/3) examination.

  • Duration: 1 hour 45 minutes
  • Total Marks: 40
  • Number of Questions: 3 (Questions 1–3)
  • Marking Scheme: The marking scheme is in a different document.

  It covers the following topics:

  • Physiological processes (Diffusion and osmosis using Visking tubing and glucose solution)
  • Food tests (Benedict's and Iodine tests) and enzyme activity (effects of boiling on reactions)
  • Excretion and Homeostasis (Structure and function of the mammalian kidney and nephron, including ultrafiltration)
  • Sexual reproduction in plants (Classification of flowers, agents of pollination, and analysis of floral structures like the gynoecium)
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  BIOLOGY

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