Summary

• Description:

  The PDF document comprises Catholic Diocese of Kakamega Evaluation Test Biology Paper 3 2026 Pre-Mock Exam with Marking Scheme. The marking scheme is in a different document.

  It was a KCSE Biology Paper 3 examination.

  This practical examination tests critical laboratory investigation competencies, biological food testing, observational analysis in ecological relationships, and comparative vertebrate osteology.

  • Month Administered: July/August 2026
  • Duration: 1 Hour 45 Minutes
  • Total Marks: 40
  • Number of Questions: 3 (Questions 1 - 3)
  • Structure: Compulsory practical paper featuring laboratory experiments and specimen photographic evaluations

  It covers the following topics:

  • Physiological and biochemical testing: qualitative food tests (starch and reducing sugars) and semi-permeable membrane diffusion using visking tubing
  • Response and plant tropisms: geotropism/phototropism curvature in dicotyledonous seedlings and clinostat applications
  • Ecological interactions: predation dynamics and mutualism in insect pollination
  • Comparative anatomy and osteology: identification of mammalian vertebrae, limb bones, joint classifications, and skeletal muscle attachments
• File Size:

  2.54 MB
• Length:

  6 pages
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  Biology
• Posted By:

  Caleb_Peter

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