The papers, Alternatives A and B compared favourably with of previous years in terms of the standard, demands and structure of the question. The questions were syllabic and the spread of the questions adequately covered the syllabus. The rubrics were clear, the questions were unambiguous. The paper tested the candidates in the following areas:
familiarity with the use of laboratory apparatus
ability to read and take measurement
recording data in acceptable form
plot graph
interpret, manipulate and analyse data
ability to make deductions
understanding of the theories behind the experiments.

The marking scheme was quite clear and detailed. The performance of the candidates was poorer compare to that of the previous year. The candidates' population of 469,019 recorded a raw mean score of20 and standard deviation of 9.43 as against a raw mean score of26 and a standard deviation 9.0 in the May/June 2009 WASSCE with a candidature of 465,498