Biochemistry 110 Statistics 89 Genetics 55 Chemistry 46 ORGANIC SYNTHESIS 45 Physics 35 Mathematics 34 ADVANCED INORGANIC CHEMISTRY 31 Probability 30 Entomology 27 Mycology 22 Organic chemistry 21 ORGANIC REACTIONS 20 Plant physiology 20 statistics 20 Microbiology 19 Biology 17 GENETICS 17 Fungi 16 Statitics 16 Physical chemistry 15 Enzymes 14 Cytology 13 Ecology 13 Amino acids- proteins 12 Carbohydrate 12 Cell biology 12 Correlation 12 Energy metabolisms 12 Lipid metabolisms 12