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

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.