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

EXPERIMENTAL DESIGN

2021 #1   2021 All Questions      Scoring Guidelines       Sample Responses Q1
Plasma membrane
Na+/K+ ATPase
Experimental design
Dependent variable/controls
Explain data
Calculate expected
Predict/justify results of a change

2021 #3            2021 All Questions      Scoring Guidelines 
Cellular respiration/fermentation
Identify control
Predict results
Justify a claim

2019 #6        2019 Free Response Questions            Scoring Guidelines          Sample Responses Q6
Genetic mutations
Experimental design
Provide reasoning to explain  results
Make a prediction

2017 #2    2017 All Free-Response Questions            Scoring Guidelines     Sample Responses Q2
Support claim with data from table
Make/support a claim about treatment effect on receptor
Identify treatment groups/experimental controls
Advantages/impact on ecosystem

2016  #6    2016 Free-Response Questions           Scoring Guidelines                Sample Responses Q6
cDNA
Experimental design
Ecosystem sampling
Explain results/Provide reasoning

2016 #8  2016 ALL Free-Response Questions     Scoring Guidelines   Sample Responses Q8
Experimental design/controls
Explain graph
SEM

2015 #5            2015 All questions          Scoring Guidelines         Sample Responses Q5 
Darwin phototropism experiment
Explain experimental results
Support a claim
Plant signaling

2014 #1   2014 All Free-Response Questions           Scoring Guidelines       Sample Responses Q1
Fast Plant Artificial selection lab
Trichome data
Create a graph/SEM
Dependent/independent variables
Predict experimental results

2013 #1   2013 All questions        Scoring Guidelines          Sample Responses Q
Pill bug Lab
Experimental design
Controls
Chi Square
Propose a model

2013 #7     2013 ALL Questions        Scoring Guidelines            Sample Responses Q7  
Pose a scientific question
State a hypothesis
Explain data provided

2011 #4 2011 ALL Questions                 Scoring Guidelines             Sample Response  Q#4
Transpiration
Explain data from graph
Calculate rate
Identify/explain structural adaptations impact on transpiration
Water potential equation

2011 B #2   2011 B All questions        Scoring Guidelines     Sample Responses Q2
Use graph to explain ecological concepts
Ecological succession
Diversity
Species interaction
Biotic/abiotic factors
Design a controlled experiment

2010 B #4   2010 B All Questions         Scoring Guidelines         Sample Responses Q4
Abiotic/biotic factors
Experimental design
Support hypothesis with data
Describe experimental modifications

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

2005 #1    2005 All Questions       Scoring Guidelines             Sample Responses
Yeast respiration LAB
Draw graph
Determine optimum temperature
Impact of temperature on enzymes
Design experiment
Predict results

2004 #3   2004 All Questions               Scoring Guidelines          Sample Responses Q3   
Photosynthesis Lab
Graph data
Identify controls
Relate data to biological concepts