BIOLOGY PAPER 3 (CONFIDENTIAL) - 2019 KCSE KASSU JOINT MOCK EXAMS (QUESTIONS AND ANSWERS)

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CONFIDENTIAL INSTRUCTIONS
Each candidate should have:

  • Starch suspension labelled Liquid X
  • Iodine solution
  • Benedict‘s solution
  • 2M hydrochloric acid (1ml)
  • 2 Droppers
  • Measuring cylinder (10 ml size)
  • Means of heating/Bunsen burner
  • 6 test-tubes
  • Water in a small beaker
  • Thermometer
  • Test-tube holder
  • 3 boiling tubes
  • Tripod stand and gauze
  • 6 labels
  • White tile
  • Water bath
  • Diastase/ amylase enzyme (0.5g per student) – labelled Q

NB: -Liquid X is prepared by dissolving 5g of soluble starch in 50m1 of distilled water. Thorough stirring is required whenever it is being used.


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