Summary

• Description:

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

  The practical exam paper is designed to be completed within a duration of 1 hour and 45 minutes and is marked out of a total of 40 marks. It consists of 3 compulsory questions that test a range of practical skills and biological knowledge.

  The examination covers the following practical areas:

  • Question 1: Food Tests (12 marks)
    • This question requires the learner to prepare an extract from a potato tuber and perform food tests for both Starch and Reducing sugars on the filtrate and residue.
    • Skills tested include sample preparation, conducting food tests, and accurately recording procedures, observations, and conclusions in a tabular format.
  • Question 2: Osmosis (14 marks)
    • This is an experiment to investigate the process of osmosis by observing the changes in pawpaw strips placed in two different solutions.
    • Learners are required to describe changes in shape and texture, explain the results based on the principles of osmosis, and produce labeled biological drawings of the outcomes.
  • Question 3: Specimen Observation - Fruits and Seeds (14 marks)
    • This question involves observing and identifying features of four different specimens (fruits/seeds).
    • Skills tested include sectioning to observe placentation, making a large labeled biological drawing with magnification, and identifying methods of seed/fruit dispersal based on their observable adaptive features.
• Category:

  Exams
• Level:

  Form 3
• Subject:

  BIOLOGY

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