Summary

• Description:

  The MS Word document comprises the Form 3 Biology Paper 1 End Term 2 2025 Exam with Marking Scheme. The PDF version is also available upon your request. The marking scheme is in a different document.

  The examination is scheduled for a duration of 2 hours and requires candidates to answer all questions in the spaces provided. The paper consists of 29 short-answer questions and is marked out of a total of 80 marks.

  The examination covers a broad range of topics from the Biology syllabus, including:

  • Cell Biology: This includes the structure and function of organelles like the mitochondrion , types of muscles , and adaptations of the red blood cell. It also covers microscopy, including magnification instruments, slide preparation techniques, and the function of microscope parts.
  • Physiology of Plants and Animals: Key processes tested are photosynthesis (photolysis, necessary conditions, and leaf adaptations) , respiration (anaerobic respiration) , transport (diffusion, water uptake in roots, counter-current flow) , and gaseous exchange in plants and animals.
  • Biological Molecules and Enzymes: Questions test knowledge on carbohydrates and food tests (for reducing and non-reducing sugars, starch) , and properties of proteins.
  • Excretion and Homeostasis: This area covers the function of the pancreas in digestion , the role of the Loop of Henle in desert animals , and hormonal control of water balance involving ADH.
  • Classification: The paper assesses understanding of the characteristics of Kingdom Monera , the rules of binomial nomenclature , and the branch of biology dealing with phylogenetic relationships.
  • Anatomy and Morphology of Plants: Candidates are tested on the external and internal structure of roots , as well as supportive tissues in plants.
  • Ecology and Health: Topics include the nitrogen cycle , immunity (why one can catch a cold multiple times but measles only once) , causative agents of diseases like Bilharzia and Amoebic Dysentery , and methods of controlling air pollution.
• Category:

  Exams
• Level:

  Form 3
• Subject:

  BIOLOGY

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