BIOLOGY PAPER 3 CONFIDENTIAL - KCSE 2019 JOINT PRE MOCK EXAMINATION - NAMBALE

CONFIDENTIAL
Biology Practical

Each candidate requires each of the following:

• 2 Potato cylinders (20mm length and 5mm diameter)
• Distilled water labeled as solution X in a Petri- dish.
• Concentrated salt solution labeled as solution Y in a Petri – dish.

Note:

• Use a cork borer, Scapel/razor blade and a ruler to make potato cylinders.
• Each candidate should have access to:
• Incisor tooth labeled as specimen K
• Premolar tooth labeled as specimen L