GENERAL COMMENTS ON THE PAPER AS A WHOLE

 The paper compared favourably with those of the previous years in terms of standard.   
 The questions and rubrics were in simple language and not ambiguous. The marking
  scheme was detailed and generous.
The performance of the candidates was slightly lower than that of last year. The candidates population of 167986 had a raw mean score of 13 and standard deviation of 05.74 as compared to a raw mean score of 15 and a standard deviation of 05.66 in November / December 2011 WASSCE with a population of 159123.
 The paper tested candidate’s ability to:

• use common laboratory apparatus
• read and take measurements
• record data in acceptable form
• plot graph
• interpret and to make deductions from such data