Summary

• Description:

  The MS Word document comprises Form 3 Biology Paper 2 End Term 3 2026 Exam with Marking Scheme. The PDF version is also available upon your request. The marking scheme is in a different document.

  This assessment tests in-depth theoretical analysis of genetics, cellular division, gaseous exchange, enzymatic catalysis, plant water transport, and mammalian absorption. It is ideal for end-of-year school-based national assessment preparation towards the end of the term, and can also be effectively administered as a mid-term assessment for schools that have completed the syllabus early at the beginning of the term.

  • Duration: 2 Hours
  • Total Marks: 80 Marks
  • Number of Questions: 8 Questions (1 – 8)
  • Structure: Section A (Questions 1 – 5, 40 Marks) and Section B (Questions 6 – 8, 40 Marks; Question 6 compulsory, answer any one from Questions 7 and 8)

  It covers the following topics:

  • Section A:
    • Meiotic cell division, homologous chromosome pairing, and chiasmata formation during crossing over
    • Enzyme characteristics, thermal stability, and detergent enzyme activity at varying temperatures
    • Hemodynamics and comparative blood distribution in skeletal muscle, cardiac muscle, and the gut during exercise
    • Nitrogen assimilation in plants, saprophytic decomposers, and water pollution via fertilizer runoff
    • Factors hindering the eradication of malaria in tropical regions
    • Structural and physiological adaptations of alveoli for gas diffusion in mammals
  • Section B:
    • Graphical plotting and rate analysis of carbon(IV) oxide consumption and release across 24-hour cycles
    • Photosynthetic compensation point and temperature effects on gas exchange in plants
    • Homeostatic mechanisms regulating elevated carbon(IV) oxide levels in mammalian blood
    • Pathway and physical mechanisms of water absorption from soil to leaves (transpiration pull, root pressure, capillarity)
    • Structural and functional adaptations of the ileum for nutrient digestion and absorption
    • Floral adaptations and physiological mechanisms preventing self-pollination in angiosperms
• File Size:

  1.19 MB
• Length:

  5 pages
• Category:

  Exams
• Level:

  Form 3
• Subject:

  Biology
• Posted By:

  Caleb_Peter

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