AP CENTRAL FRQ's  2023       2022-1999         2020 Exam questions available in AP Classroom question bank

ANIMALS BODY SYSTEMS CELLS CELL DIVISION CELL SIGNALING
DNA RNA PROTEINS ECOLOGY  ENZYMES  EVOLUTION EXPERIMENTAL DESIGN
GENETICS GRAPHS/Math LABS METABOLISM MOLECULES
PLANTS PHOTOSYNTHESIS REGULATION RESPIRATION STRUCTURE & FUNCTION
TRANSPORT WATER Chi-Square    

EVOLUTION FRQ's

2019 #1       2019 Free -Response Questions         Scoring Guidelines          Sample Responses Q1
Central Dogma
Effect of genetic mutation on pathway
Make a prediction/Justify
Feedback mechanisms
Mutualism
Evolutionary advantage

   

2021 #4            2021 All Questions      Scoring Guidelines  coming after exams are scored
Explain data in grah
Reproductive isolation
Prezygotic mechanisms
Predict/justify phenotypic change

2019 #5
Make a cladogram from data
calculate the rate of mtDNA percent divergence per million years
Provide reasoning for placement of organism
Identify descendents

2018 #1    2018 Free-Response Questions     Scoring Guidelines       Sample Responses Q1
Create a cladogram based on data
Estimate chronological time
Mitochondrial DNA analysis
Predict relatedness
Proteins vs DNA accuracy
Explain frequency of allele in population
Predict/Justify phenotypes

2018 #7  2018 All Free-Response Questions       Scoring Guidelines            Sample Responses Q7
Sex determination

Predict frequency of genetic cross
Fitness cost

2017 #7   2017 All Free-Response Questions          Scoring Guidelines      Sample Responses Q7 
Metabolic pathways
Anaerobic/Aerobic respiration
Predict impact of environmental change on populations

2016 #3    2016 ALL Free-Response Questions     Scoring Guidelines         Sample Responses Q3
Explain graph
% dry weight/plant growth
Estimate
Energy sources
Evolutionary advantage

2015 #2  2015 ALL Questions      Scoring Guidelines       Sample Responses Q2
Glycolysis, Krebs, ETC pathways
Compare ATP production
Calculate energy efficiency
Endosymbiotic theory
Evidence of shared evolutionary history

2015 #3   2015 ALL Questions             Scoring Guidelines       Sample Responses Q3
Cytochrome C comparison
Create phylogenetic tree
Compare morphological vs DNA evidence

2014 #1  2014 All question      Scoring Guidelines          Sample Responses Q1
Artificial selection lab
Trichome data
Create a graph/SEM
Dependent/independent variables
Predict experimental results

2014 #2   2014 All questions            Scoring Guidelines                     Sample Responses Q2
Compare proteins
Use data o construct a cladogram
Predict/Justify placement of organism

2014 #4    2014 All questions                Scoring Guidelines                   Sample Responses Q4
Provide reasoning for graph change
Evolutionary mechanisms



2014 #
2014 All questions            Scoring Guidelines          Sample Responses Q8
Mutations in genetically engineered flies
Mechanisms leading to genetic variation
Role of genetic variation in evolution
Provide evidence

http://local.brookings.k12.sd.us/biology/teacherlinks/rainbow.gif

2013 #2   2013 All questions      Scoring Guidelines      Sample Responses Q2
Propose evolutionary history
Justify response

2013 #3  2013 All questions       Scoring Guidelines    Sample Responses Q3
Transitional fossils
Support hypothesis with evidence



2011 #1  
2011 All Questions           Scoring Guidelines      Sample Responses Q1
Eukaryotic organelles
Prokaryotes vs eukaryotes
Endosymbiotic theory



2011#3    2011 Questions           Scoring Guidelines          Sample Responses Q3
Sexual/asexual reproduction
Genetic variability/Evolution
Prezygotic isolation mechanisms

 

2011B #4   2011B  ll Questions          Scoring Guidelines             Sample Responses Q4
Mechanisms of speciation
Phylogeny
Cladograms

2010 #3   2010 All Questions                Scoring guidelines           Sample Responses Q3
Fruit Fly Genetics lab
Use data provided to predict method of inheritance
Hardy Weinberg



2009 #3  
2009 All Questions              Scoring Guidelines        Sample Responses Q3
Genetic variation
Draw phylogenetic tree from data
Explain results
Evidence of evolution

2008 #1  2008 All Questions      Scoring Guidelines       Sample Responses Q1
Bonds/interactions in proteins
How protein structure impacts function in
~ muscle contraction
~ Regulation enzyme activity
~ Cell signaling
Sickle cell hemoglobin mutation
Heterozygote advantage

2008 #4   2008 All Questions      Scoring Guidelines       Sample Responses Q4
Plant fertilization
Pollen transfer
Self fertilization
Evolutionary advantage

2008 #3 B   2008 B All Questions          Scoring Guidelines          Sample Responses Q3
Hardy Weinberg conditions
Equations
Calculations

2007 #3  2007 All Questions         Scoring Guidelines         Sample Responses Q3
Impact of abiotic factors on productivity
Food chains/trophic levels
Anatomical/physiological differences impact on CO2 uptake in plants
Evolutionary significance

2007 B #1   2007 B All Questions      Scoring Guidelines            Sample Responses Q1
Innate/Learned behavior
Adaptive value
Design an experiment

2005 #2 2005 All Questions         Scoring Guidelines                  Scoring Commentary             Sample Responses Q2
Structure/function eukaryotic chromosome
Eukaryotes/prokaryote differences
Evolutionary significance

2004 #2   2004 Questions                 Scoring Guidelines       Sample Responses Q2        
Provide supporting evidence for:
~nonconstancy of species
~Branching evolution/common descent
~Gradual changes in species
~Natural selection
Hardy-Weinberg equilbrium
Punctuated equilbrium
Genetic engineering

2003 B #4   2003B  Questions             Scoring Guidelines            Sample Responses Q4
Explain/discuss impact on biodiversity of:
~ Mutations
~ adaptive radiation
~ polyploidy
~ population bottlenecks
~ growth of human population 

2002 #3  2002 All questions    Scoring Guidelines        Sample Responses Q3 
Structure/function
Material transport
Response to stimuli
Gas exchange
Locomotion
in animal examples (Cnidaria, earthworms, mouse)
Evolutionary value

2001 #2   2001 All Questions     Scoring Guidelines     Scoring Commentary    Sample Responses Q2
Natural selection
Convergent similarities
Pesticide resistance
speciation/isolation
Behavior
Heterozygote advantage