Summary

• Description:

  The MS Word document comprises Bunaf Cluster Examination Biology Paper 1 June 2026 Pre-Mock Exam with Marking Scheme. The PDF version is also available upon your request. The marking scheme is in a different document.

  It was a KCSE Biology Paper 1 examination. This paper tests Form 4 candidates on a broad range of Biology concepts — from cell biology and transport in organisms to classification, ecology, and reproduction — assessing both recall and applied understanding through structured short-answer questions.

  • Month Administered: June 2026
  • Duration: 2 hours
  • Total Marks: 80
  • Number of Questions: 27 (all compulsory)

  It covers the following topics:

  • Collection of organisms — suitable apparatus (housefly, scorpion, ants)
  • Classification — reasons for classifying a snake as a reptile
  • Active transport — role of oxygen and dependent processes in animals
  • Transpiration — role of sunken stomata in reducing water loss
  • Xylem vessels — structural adaptations to function
  • Additional topics spanning cell biology, nutrition, gaseous exchange, transport, excretion, coordination, reproduction, and ecology across the KCSE Biology syllabus
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  BIOLOGY

Enter your details below to initiate a payment using MPESA.