Analysis Based on the Three Objective Educational Domains for Final Summative Secondary Examinations of Science Subject (Chemistry, Physics, and Biology)

Table 16

Biology textbook topics based on units.

	Number of topics	Number of pages	Relative importance	Number of classes per semester	Relative importance (%)	Average relative importance (%)
Unit 1: DNA, genes and chromosomes	11	44	46.8	19	48.7	47.7
Unit 2: The biotechnology revolution	5	19	20.2	9	23.1	21.7
Unit 3: The human genome	6	31	33	11	28.2	30.6
Total	22	94	100	39	100	100