LIFE SCIENCES PAPER II

• exposé
• leçon - matière potentielle : frame

LIFE SCIENCES PAPER II 1. a) Draw a graph that will represent the following equation: dA = kA dt (5) b) Describe a method to determine surface area of a leaf without using any instrument. (5) c) Water is often contaminated by a variety of ionic impurities. What is the best method to determine purity of a sample of water? (5) d) You have to test if ponds A, B and C differ significantly in their primary productivity.

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