Summary

• Description:

  The PDF document comprises LANJET Biology Paper 3 2026 Pre-Mock Exam with Answers (Marking Scheme). The marking scheme is in a different document.

  It was a LANJET Biology Paper 3 examination.

  This practical examination assesses candidates' laboratory competencies in biochemical food testing, quantitative titrations, plant reproductive morphology, and mammalian osteology.

  • Month Administered: July 2026
  • Duration: 1 Hour 45 Minutes
  • Total Marks: 40 Marks
  • Number of Questions: 3 Questions (Questions 1 – 3)
  • Structure:
    • Question 1 (14 Marks): Food test and quantitative DCPIP Ascorbic acid titration practical
    • Question 2 (14 Marks): Floral morphology, pollination mechanisms, and embryo sac development
    • Question 3 (12 Marks): Mammalian osteology and respiratory skeletal framework

  It covers the following topics:

  • Food testing and quantitative biochemistry (fruit specimen identification, longitudinal section drawing, DCPIP titration for Ascorbic acid/Vitamin C concentration, temperature effects on vitamins)
  • Angiosperm reproduction and embryology (flower structure, self and cross-pollination, microsporogenesis/meiosis, embryo sac anatomy, double fertilization, role of petals and filaments, alternation of generations)
  • Mammalian skeletal framework and locomotion (identification of thoracic vertebrae and ribs, anatomical region classification, tubercular and capitular articulations, preceding axial bones, skeletal role in breathing mechanisms)
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  BIOLOGY

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