AP Biology Free Response Questions Index See the complete questions and scoring rubrics here: ? http://www.collegeboard.com/student/testing/ap/biology/samp.html 2010 Form A: 1. ?Homeostasis of blood glucose levels 2. ?Enzymatic reaction 3. ?Genetic cross and Hardy-Weinberg equilibrium 4. ?Ecological succession 2010 Form B: 1. ?Chromatography and Photosynthesis 2. ?Point mutation and allele frequency 3. ?Ecological role of bacteria and GMO bacteria 4. ?Biotic and abiotic variables, designing a controlled experiment 2009 Form A: 1. ?Behavioral response and physiological effect in fish to temperature 2. ?ATP, GTP, chemiosmosis to produce ATP, energy pyramid 3. ?Phylogeny, genetic variations in cytochrome c