Summary

• Description:

  The PDF document comprises Alliance Boys High School Biology Paper 3 2024 Mock Exam with Answers (Marking Scheme). The marking scheme is towards the end of the document.

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

  • Duration: 1 Hour 45 Minutes (1¾ 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:

  • Osmosis experiment using potato cylinders to determine percentage change in length in different solutions
  • Data recording, calculation of averages, and interpretation of experimental results
  • Food tests for nutrients using standard biochemical tests (iodine, Benedict’s, and Biuret tests)
  • Preparation of biological samples through crushing and extraction techniques
  • Observation and interpretation of biological photographs and specimens
  • Identification of pollination agents based on floral adaptations
  • Classification of animals using taxonomic units (phylum and class)
  • Cell division (mitosis) including identification of stages and reasons
  • Biological drawing, analysis, and interpretation skills
  • Application of practical laboratory skills including measurement, timing, and handling apparatus
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  BIOLOGY

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