CAPE Biology Unit 2 · 2014 · Paper 1 · Question Q9
Which two of the following MOST likely explain the movement of the paraffin drop towards the syringe? I. Oxygen is used by the beans. II. Carbon dioxide is absorbed by X. III. Oxygen is absorbed by X. IV. Carbon dioxide is absorbed by the beans.
- (A)I and II
- (B)I and III
- (C)II and IV
- (D)III and IV
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