BIOLOGY
JAMB 2003 - Question 18
Biology 2003 JAMB Past Questions - Question 18: In the experiment, the layer of oil serves to prevent water loss by
use the diagram below to answer the questions 17 and 18
A:
B:
C:
D:
Correct Answer
B
Explanation
If the water in the beakers is left uncovered, loss of water through the beakers occur and this will interfer with the result of the experiment.

