Summary

• Description:

  The PDF document comprises The Success Path Examination Council (SPEC) Biology Paper 1 2025 Pre-Mock Exam with Answers (Marking Scheme). The marking scheme is in a different document.

  It was a Pre-Mock Biology 231/1 examination.

  • Month Administered: March 2026
  • Duration: 2 hours
  • Total Marks: 80
  • Number of Questions: 1-24

  It covers the following topics:

  • Seed germination and the roles of water
  • Osmosis in red blood cells
  • Asexual reproduction (Binary fission)
  • Population estimation methods in ecology
  • Toxicology of heavy metals (Mercury, silver, arsenic)
  • Gaseous exchange in woody plants (Lenticels)
  • Genetics and protein synthesis (mRNA, tRNA)
  • Genetically modified plants
  • Liver disorders (Jaundice and cirrhosis)
  • Population growth curves (Arthropods vs. bacteria)
  • Human reproduction (Colostrum importance, milk let-down reflex)
  • Microscopy techniques (Preparing onion epidermal cells)
  • Anaerobic respiration applications (Baking, agriculture, dairy)
  • Enzyme activity (Catalase in potatoes reacting with hydrogen peroxide)
  • Plant adaptations (Xerophytes)
  • Respiratory diseases (Pneumonia, whooping cough, tuberculosis)
  • Excretion and habitats (Nitrogenous waste, water requirements)
  • Evolutionary evidence (Analogous structures, comparative anatomy)
  • Proteins and wound healing
  • Kidney structure and function (Loop of Henle, glomeruli adaptations)
  • Significance of gaseous exchange in respiration and photosynthesis
  • Genetics (Heterozygous advantage in sickle-cell anemia)
  • Male reproductive system anatomy
  • Microorganism classification (Paramecium)
  • Speciation through geographical distribution
• File Size:

  410.01 KB
• Length:

  11 pages
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  BIOLOGY
• Posted By:

  Caleb_Peter

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