Summary

• Description:

  The PDF document comprises the Biology Paper 3 (Practical) Maseno School Mock Exam as a KCSE Trial Exam, administered in July/August 2024. The marking scheme is in a different document.

  This practical paper consists of three compulsory questions to be completed in a duration of 1 hour and 45 minutes. The examination is marked out of a total of 40 marks and is designed to test a candidate's practical skills in observation, data interpretation, and drawing conclusions from biological experiments and specimens.

  The paper includes the following questions:

  • 1. Biochemistry (Food Tests): This experiment investigates enzyme activity. Candidates are required to perform a series of tests using provided solutions (R and K), iodine, and Benedict's solution to demonstrate the breakdown of starch into a reducing sugar by an enzyme. The tasks involve recording observations and making logical conclusions about the processes.
  • 2. Flower Morphology and Pollination: This question uses photographs of three different flowers (P, Q, and R) to assess knowledge of plant reproduction. Candidates must identify the agents of pollination (insect and wind) for each flower and provide reasons based on their observable features. It also tests the identification of flower parts and the understanding of pollination mechanisms.
  • 3. Mammalian Skeleton (Vertebrae): This question is based on photographs of two vertebrae (Bone A and Bone B). Candidates are required to identify the specific bones (Atlas and Axis), state their location in the vertebral column, and explain their functions and adaptive features, including their role in supporting the head and facilitating movement.
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  BIOLOGY

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