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Jones' Responses ; Review Calendar & Review Sessions ; Insta-Review Daily Review ; One Pagers (2026) Study Plans > AP Biology is known for being one of the tougher AP exams, and, for most students, the free-response section is the hardest part of the test. 2021#2 2021 All Questions Scoring Guidelines Sample Responses Q2 Pedigrees Mutations Glucose structure/metabolism Mitochondrial inheritance Construct a graph from data Make a prediction/Justify The second portion of the AP Biology test is the Free-Response Section. The 2021 FRQs tested a wide range of topics, requiring 3 Questions Directions: Answer all three questions, which are weighted equally; the suggested time is about 22 minutes for answering each question. They add the resveratrol solution to mammalian muscle AP Bio FRQ Practice - Free download as PDF File (. B from the AP Biology Course and Exam Thousands of practice questions, study notes, and flashcards, all in one place. 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Question 5 Note: Student samples are quoted verbatim and may contain spelling and grammatical errors. 2021 AP Biology ® Sample Student Revision notes, past papers and practice questions for College Board AP® Biology, written by our expert team of teachers and examiners. Question 2 A student studying two different aquatic, plant-eating, unicellular protist species (species A and B) designed an experiment to investigate the ecological relationship between the two species Watch as Thinque Prep's master science instructor walks through the AP Biology Sample Questions, and breaks down the questions step by step. Jones' Responses ; Review Calendar & Review Sessions ; Insta-Review Daily Review ; One Pagers (2026) Study Plans > 2021 AP Biology Exam Practice Set Compiled by Bob Kuhn Below Below is a preview of each sections. 3 exam sets available for timed practice. Definitely review these to get an idea of what to expect on your exam. 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