Summary

• Description:

  The MS Word document comprises BUNTRA Joint Examination Biology Paper 1 2025 Mock Exam with Marking Scheme. The PDF version is also available upon your request. The marking scheme is in a different document.

  It is a 231/1 Biology Paper 1 (Theory) BUNTRA Quaker Exam 2025 examination.

  • Duration: 2 Hours
  • Total Marks: 80
  • Number of Questions: 26 (Questions 1–26)
  • Marking Scheme: The marking scheme is in a different document.

  It covers the following topics:

  • Branches of biology (cells, tissues, and application of biological processes)
  • Plant physiology (wilting; active transport and temperature effects)
  • Plant responses/tropisms (shoot and root bending responses and explanations)
  • Counter-current flow in animals and its significance
  • Plant growth regulators (parthenocarpy and hormones that promote it)
  • Anaerobic respiration and its applications
  • Human skin and thermoregulation (sebaceous glands; functions of sweat)
  • Nutrition in animals (dental formula interpretation)
  • Evolution (limitations of Lamarck’s theory; homologous vs analogous structures)
  • Genetics and inheritance (monohybrid cross and genotypic ratios)
  • Human endocrine system (roles of insulin; effects of low testosterone)
  • Cell respiration (organelle involved; respiratory quotient; identifying substrate)
  • Microscopy (functions of microscope parts)
  • Osmosis in plant tissues (effects of different sugar solution concentrations)
  • Plant gaseous exchange structures
  • Adaptations of red blood cells
  • Ecology (biotic factors; predator vs parasite; population vs carrying capacity)
  • Molecular biology (identifying nucleic acid from bases including uracil)
  • Water transport in plants (forces responsible for upward movement of water)
  • Plant classification (identifying plant division from a diagram and functions of labelled structures)
  • Environmental management (eutrophication: meaning, causes, and effects in aquatic ecosystems)
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  BIOLOGY

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