{"id":26811,"date":"2016-12-20T21:06:20","date_gmt":"2016-12-20T21:06:20","guid":{"rendered":"https:\/\/www.mometrix.com\/academy\/?page_id=26811"},"modified":"2026-09-28T16:05:33","modified_gmt":"2026-09-28T21:05:33","slug":"biology","status":"publish","type":"page","link":"https:\/\/www.mometrix.com\/academy\/clep\/biology\/","title":{"rendered":"CLEP<sup>&reg;<\/sup> Biology Practice Test"},"content":{"rendered":"<p>The College Board administers the College-Level Examination Program<sup>\u00ae<\/sup> (CLEP<sup>\u00ae<\/sup>), which offers affordable exams that help students receive college credits. This article covers the CLEP Biology exam, which tests molecular, cellular, organismal, and population biology.<\/p>\n<p>Click \u201cStart Test\u201d above to take a free CLEP Biology practice test!<\/p>\n<div class=\"buttonlinks\">\n<a href=\"https:\/\/www.mometrix.com\/studyguides\/clep\/biology.htm\" class=\"class_names\" style=\"color:black\" onclick=\"_paq.push([&quot;trackEvent&quot;,&quot;Guide Button&quot;,&quot;Guide Click&quot;,&quot;CLEPBiology Guide Click&quot;]);\">CLEP Study Guide<\/a><br \/>\n<a href=\"https:\/\/www.flashcardsecrets.com\/clep\/biology.htm\" class=\"class_names\" style=\"color:black\" onclick=\"_paq.push([&quot;trackEvent&quot;,&quot;Flashcard Button&quot;,&quot;Flashcard Button Click&quot;,&quot;CLEPBiology Flashcard Click&quot;]);\">CLEP Flashcards<\/a><br \/>\n<a href=\"https:\/\/www.mometrix.com\/academy\/clep\/\">Other CLEP Tests<\/a>\n<\/div>\n<h2 class=\"pt-page\"><span id=\"What_is_the_CLEP_Biology_Exam\" class=\"m-toc-anchor\"><\/span>What is the CLEP Biology Exam?<\/h2>\n<p>CLEP exams are taken by students every year to earn college credits for the things they already know. If you have learned a substantial amount of information about a particular topic through on-the-job training, previous studies, or simple life experience, you can take this one exam and potentially receive college credit as if you took the course!<\/p>\n<p>By taking and passing the CLEP Biology exam, you may receive college credits without having to take a biology course. This will potentially:<\/p>\n<ul>\n<li>Allow you to earn three or more college credits<\/li>\n<li>Save you money because the test is cheaper than a semester at college<\/li>\n<li>Allow you to graduate on time or possibly to graduate ahead of schedule<\/li>\n<li>Add flexibility to your degree program<\/li>\n<\/ul>\n<p>You should check with your college before taking this exam to make sure they will accept your CLEP scores. <\/p>\n<h2 class=\"pt-page\"><span id=\"Eligibility\" class=\"m-toc-anchor\"><\/span>Eligibility<\/h2>\n<p>The CLEP Biology exam is available to a wide range of test-takers! Here are some examples of who takes the CLEP Biology exam:<\/p>\n<ul>\n<li>College students<\/li>\n<li>High school students who are preparing to graduate<\/li>\n<li>Homeschool students<\/li>\n<li>Adults who are returning to school<\/li>\n<li>Professionals who want to use the exam results to help advance their careers<\/li>\n<li>Applicants to master\u2019s degree programs that still have undergraduate prerequisites they need to fulfill<\/li>\n<\/ul>\n<p>If you plan to take the exam with remote proctoring, additional requirements apply. You must:<\/p>\n<ul>\n<li>Be at least 13 years old, except Illinois residents must be at least 18 years old<\/li>\n<li>Be located in the United States, excluding US territories, or be DANTES-funded<\/li>\n<li>Meet all of College Board&#8217;s computer, smartphone, and testing-room requirements for remote proctoring<\/li>\n<\/ul>\n<p>Anyone involved in creating CLEP test-preparation materials or in developing or delivering CLEP-related courses, tutoring, workshops, or other exam-preparation activities may be prohibited from taking a CLEP exam.<\/p>\n<h2 class=\"pt-page\"><span id=\"CLEP_Biology_Exam_Outline\" class=\"m-toc-anchor\"><\/span>CLEP Biology Exam Outline<\/h2>\n<p>The CLEP Biology exam contains approximately 115 multiple-choice questions and has a time limit of 90 minutes.<\/p>\n<p>Every question on the exam is designed to test one or more of the following:<\/p>\n<ol>\n<li>Your knowledge of biology-related facts, processes, and principles<\/li>\n<li>Your ability to collect and interpret information, hypothesize using available information, and draw conclusions from given information<\/li>\n<li>Your understanding that science has social consequences<\/li>\n<\/ol>\n<p>The exam is split into three main sections, each of which contains several subsections.<\/p>\n<h3><span id=\"1_Molecular_and_Cellular_Biology_(33%25)\" class=\"m-toc-anchor\"><\/span>1. Molecular and Cellular Biology (33%)<\/h3>\n<p>The questions in this section cover six main topics:<\/p>\n<ul>\n<li>Chemical composition of organisms<\/li>\n<li>Cells<\/li>\n<li>Enzymes<\/li>\n<li>Energy transformations<\/li>\n<li>Cell division<\/li>\n<li>Chemical nature of the gene<\/li>\n<\/ul>\n<h3><span id=\"2_Organismal_Biology_(34%25)\" class=\"m-toc-anchor\"><\/span>2. Organismal Biology (34%)<\/h3>\n<p>The questions in this section cover five main topics:<\/p>\n<ul>\n<li>Structure and function within plants (with emphasis on angiosperms)<\/li>\n<li>Structure and function within animals (with emphasis on vertebrates)<\/li>\n<li>Plant reproduction and development<\/li>\n<li>Animal reproduction and development<\/li>\n<li>Principles of heredity<\/li>\n<\/ul>\n<h3><span id=\"3_Population_Biology_(33%25)\" class=\"m-toc-anchor\"><\/span>3. Population Biology (33%)<\/h3>\n<p>The questions in this section cover four main topics:<\/p>\n<ul>\n<li>Principles of ecology<\/li>\n<li>Principles of evolution<\/li>\n<li>Principles of behavior<\/li>\n<li>Social biology<\/li>\n<\/ul>\n<p><a href=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2023\/01\/CLEP-Biology-Exam-Outline-01.png\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-163703\" role=\"img\" src=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2023\/01\/CLEP-Biology-Outline-01.svg\" alt=\"exam outline for the CLEP Biology exam, which contains 115 multiple-choice questions and has a time limit of 90 minutes\" width=\"443.9\" height=\"405.95\" \/><\/a><\/p>\n\n\t\t\t<div class=\"sg-box2\">\n\t\t\t\t<div class=\"sg-box2-text\">\n\t\t\t\t\t<p class=\"sg-box2-title\">Check Out Mometrix&#039;s CLEP Biology Study Guide<\/p>\n\t\t\t\t\t<p>Get practice questions, video tutorials, and detailed study lessons.<\/p>\n\t\t\t\t\t<p><a class=\"sg-box2-button\" href=\"https:\/\/www.mometrix.com\/studyguides\/clep\/biology.htm\" target=\"_blank\" rel=\"noopener\">Get Your Study Guide<span aria-hidden=\"true\">&nbsp;&rarr;<\/span><\/a><\/p>\n\t\t\t\t<\/div>\n\t\t\t\t<p><a href=\"https:\/\/www.mometrix.com\/studyguides\/clep\/biology.htm\"><img loading=\"lazy\" decoding=\"async\" width=\"184\" height=\"238\" src=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2025\/11\/clepbiology.jpg\" alt=\"Study Guide\"><\/a><\/p>\n\t\t\t<\/div>\n<h2 class=\"pt-page\"><span id=\"Registration\" class=\"m-toc-anchor\"><\/span>Registration<\/h2>\n<p>You can register for the exam online via the College Board website. The CLEP Biology exam is administered throughout the year on a very flexible schedule.<\/p>\n<p>At the top of the page on the far right-hand side, you will see a heading marked \u201cMy CLEP account.\u201d This drop-down menu will allow you to go to the correct page to establish an account, manage your profile, see the exams you have taken, and view the grades of the exams you have taken. You can also request a transcript from this page.<\/p>\n<p>During the registration process, you will need to pay the $97 exam fee. You will also choose whether to take the exam at a testing center or remotely. If you choose to take the test remotely, you'll need to pay the $30 remote-proctoring fee.<\/p>\n<h3><span id=\"Testing_Remotely\" class=\"m-toc-anchor\"><\/span>Testing Remotely<\/h3>\n<p>Before registering to take the exam remotely, you should ensure that you meet the technical requirements:<\/p>\n<ul>\n<li>A PC desktop or laptop running Windows 10 or Windows 11<\/li>\n<li>Google Chrome version 100 or higher<\/li>\n<li>A camera, microphone, and internal or external speaker<\/li>\n<li>One keyboard and mouse; wireless keyboards and mice are not permitted<\/li>\n<li>A compatible smartphone with a working front-facing camera<\/li>\n<li>A reliable internet connection<\/li>\n<li>Administrative access to the computer so the required testing applications can be installed<\/li>\n<\/ul>\n<p>After registering for remote proctoring through your CLEP account, you will receive instructions for completing the Proctortrack onboarding process. Your Proctortrack profile must be approved before you can schedule your testing appointment. You will also need to download the required ETS Online Test application before taking the exam.<\/p>\n<p>Once you have selected the day and time that you want to take the exam, you will need to return to the portal of the CLEP website and download the ETS Online Test application. This application is what allows you to take the exam on your computer at home.<\/p>\n<h2 class=\"pt-page\"><span id=\"Test_Day\" class=\"m-toc-anchor\"><\/span>Test Day<\/h2>\n<p>On the day of your test, you should arrive at the testing center at least 15 minutes earlier than the scheduled exam time. When you arrive, you will be asked to provide a form of valid, government-issued photo identification, as well as your registration ticket.<\/p>\n<p>Before you enter the testing room, you will be asked to put away all personal items, including your cell phone, pencils, books, notes, bags, and food items.<\/p>\n<h3><span id=\"Remote_Testing\" class=\"m-toc-anchor\"><\/span>Remote Testing<\/h3>\n<p>At your scheduled appointment time, log in to your Proctortrack account and select the option to begin your testing session. You should have your government-issued photo ID ready.<\/p>\n<p>During check-in, you\u2019ll review the exam guidelines, verify your identity using a face and ID scan, and complete a scan of your testing room. Your smartphone will be used as a second camera during the exam, and you\u2019ll communicate with your proctor through the on-screen chat function.<\/p>\n<p>Once your check-in and room scan are approved, launch the ETS Online Test application. The proctor will provide the information needed to start your exam.<\/p>\n<h2 class=\"pt-page\"><span id=\"How_the_Test_is_Scored\" class=\"m-toc-anchor\"><\/span>How the Test is Scored<\/h2>\n<p>The CLEP Biology exam is scored so that one point is awarded for each correct answer, and you will not have points taken away for any incorrect answers. You will also not have points taken away if you skip a question altogether. The number of correct answers you have will be your raw score.<\/p>\n<p>The raw score will be converted into a scaled score, which is typically in numeric form ranging from 20 to about 80.<\/p>\n<p>Your unofficial score report will be available on your screen as soon as you finish the exam, and an official report will be made available the next business day when you log in to your CLEP account.<\/p>\n\n\t\t\t<div class=\"sg-box2 fc-box\">\n\t\t\t\t<div class=\"sg-box2-text\">\n\t\t\t\t\t<p class=\"sg-box2-title\">Check Out Mometrix&#039;s CLEP Biology Flashcards<\/p>\n\t\t\t\t\t<p>Get complex subjects broken down into easily understandable concepts.<\/p>\n\t\t\t\t\t<p><a class=\"fc-box-button\" href=\"https:\/\/www.flashcardsecrets.com\/clep\/biology.htm\" target=\"_blank\" rel=\"noopener\">Get Your Flashcards<span aria-hidden=\"true\">&nbsp;&rarr;<\/span><\/a><\/p>\n\t\t\t\t<\/div>\n\t\t\t\t<p><a href=\"https:\/\/www.flashcardsecrets.com\/clep\/biology.htm\"><img loading=\"lazy\" decoding=\"async\" width=\"238\" height=\"184\" src=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2025\/11\/clepbiologyflash.jpg\" alt=\"Flashcards\"><\/a><\/p>\n\t\t\t<\/div>\n<h2 class=\"pt-page\"><span id=\"How_to_Pass\" class=\"m-toc-anchor\"><\/span>How to Pass<\/h2>\n<h3><span id=\"Start_with_a_CLEP_Practice_Test\" class=\"m-toc-anchor\"><\/span>Start with a CLEP Practice Test<\/h3>\n<p>Before creating your study schedule, take a CLEP Biology practice test to establish a starting point. You don't need to wait until you have reviewed every organ system, genetic principle, and ecological relationship. At this stage, the goal is to identify where your preparation time will have the greatest effect.<\/p>\n<p>Review your results based on the three test sections:<\/p>\n<ul>\n<li style=\"margin-bottom: 10px\"><strong style=\"font-weight: 600\">Molecular and Cellular Biology:<\/strong> Do you understand properties of water, cell membranes, photosynthesis, chromosome structure, and DNA replication?<\/li>\n<li style=\"margin-bottom: 10px\"><strong style=\"font-weight: 600\">Organismal Biology:<\/strong> Do you understand plant reproduction, homeostasis, Mendelian inheritance, food translocation, and major animal organ systems?<\/li>\n<li><strong style=\"font-weight: 600\">Population Biology:<\/strong> Do you understand migration, biomes, speciation, adaptive radiation, population growth, and energy flow?<\/li>\n<\/ul>\n<p>Identifying those specific weaknesses will show you where to devote more attention during your study time.<\/p>\n<h3><span id=\"Review_Difficult_Questions\" class=\"m-toc-anchor\"><\/span>Review Difficult Questions<\/h3>\n<p>After each practice session, review every question you answered incorrectly AND every question you guessed on or answered with low confidence. A correct guess does not demonstrate that you understood the principle or selected the answer for the right reason.<\/p>\n<p>For each difficult question, determine which of the following caused the problem:<\/p>\n<ul>\n<li>You memorized terminology without understanding what it does.<\/li>\n<li>You confused two similar biological structures.<\/li>\n<li>You reversed the direction of a process.<\/li>\n<li>You confused mitosis with meiosis.<\/li>\n<li>You confused transcription with translation.<\/li>\n<li>You knew the genetics concept but set up the problem incorrectly.<\/li>\n<li>You overlooked an important plant process.<\/li>\n<li>You misread a graph, table, or experimental result.<\/li>\n<li>You confused correlation with evidence of causation.<\/li>\n<li>You failed to identify the experimental control.<\/li>\n<li>You overlooked the independent or dependent variable.<\/li>\n<li>You spent too long trying to recall a detail that could have been inferred from biological principles.<\/li>\n<\/ul>\n<p>Then, outline a specific plan for improvement based on what you discovered. In other words, don't just say, \u201cI need to study cells.\u201d Note that you need to practice predicting what happens when a particular organelle fails.<\/p>\n<p>Similarly, replace \u201cstudy ecology\u201d with something specific, such as reviewing the water cycle or distinguishing primary and secondary succession.<\/p>\n<h3><span id=\"Utilize_Answer_Explanations\" class=\"m-toc-anchor\"><\/span>Utilize Answer Explanations<\/h3>\n<p>Answer explanations are an underutilized studying resource. To take full advantage of them, read the explanation for every question you found difficult, including questions you answered correctly.<\/p>\n<p>For each one, make sure you can confidently explain:<\/p>\n<ol>\n<li>Why the correct answer is correct<\/li>\n<li>Why each incorrect answer is wrong<\/li>\n<li>Which biological principle is being tested<\/li>\n<li>What information in the question supports the answer<\/li>\n<li>What would happen if one important variable changed<\/li>\n<li>How the same principle could appear in another biological system<\/li>\n<\/ol>\n<p>If the question involves cellular respiration, ask yourself where each process occurs, what enters and leaves each stage, where electron carriers are involved, and what role oxygen plays.<\/p>\n<p>If it involves genetics, determine what type of inheritance is occurring, which alleles can enter the gametes, what offspring genotypes are possible, what phenotypes result, and whether the genes are linked or not.<\/p>\n<h3><span id=\"Study_Biological_Processes_as_CauseandEffect_Relationships\" class=\"m-toc-anchor\"><\/span>Study Biological Processes as Cause-and-Effect Relationships<\/h3>\n<p>CLEP Biology becomes much easier when you stop treating biology as a giant vocabulary list. It's helpful to build chains of cause and effect.<\/p>\n<p>For example:<\/p>\n<p class=\"longmath\" style=\"font-weight: 600; padding-left: 20px\">Higher temperature \u2192 increased molecular motion \u2192 increased enzyme activity up to an optimum \u2192 excessive heat alters protein structure \u2192 enzyme activity declines<\/p>\n<p>For every major process you study, figure out what begins the process, what structures are involved, what regulates it, what is produced, and how the process contributes to survival and\/or reproduction.<\/p>\n<h2 class=\"pt-page\"><span id=\"FAQs\" class=\"m-toc-anchor\"><\/span>FAQs<\/h2>\n<div class=\"faq-list\">\n<div class=\"qa_wrap\">\n<div class=\"q_item text_bold\">\n<h4 class=\"letter\">Q<\/h4>\n<p style=\"line-height: unset;\">How many questions are on the CLEP Biology exam?<\/p>\n<\/p><\/div>\n<div class=\"a_item\">\n<h4 class=\"letter text_bold\">A<\/h4>\n<p>There are approximately 115 multiple-choice questions on the exam.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"qa_wrap\">\n<div class=\"q_item text_bold\">\n<h4 class=\"letter\">Q<\/h4>\n<p style=\"line-height: unset;\">How long is the CLEP Biology exam?<\/p>\n<\/p><\/div>\n<div class=\"a_item\">\n<h4 class=\"letter text_bold\">A<\/h4>\n<p>The time limit for the exam is 90 minutes (1.5 hours).<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"qa_wrap\">\n<div class=\"q_item text_bold\">\n<h4 class=\"letter\">Q<\/h4>\n<p style=\"line-height: unset;\">What is the passing score for the CLEP Biology exam?<\/p>\n<\/p><\/div>\n<div class=\"a_item\">\n<h4 class=\"letter text_bold\">A<\/h4>\n<p>There is no universal passing score for the CLEP Biology exam because each college or university sets its own CLEP credit policy. The American Council on Education (ACE) recommends a score of 50 for six semester hours of college credit. Check with your school to find out the minimum score it requires and how much credit it awards.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"qa_wrap\">\n<div class=\"q_item text_bold\">\n<h4 class=\"letter\">Q<\/h4>\n<p style=\"line-height: unset;\">How much does the CLEP Biology exam cost?<\/p>\n<\/p><\/div>\n<div class=\"a_item\">\n<h4 class=\"letter text_bold\">A<\/h4>\n<p>The exam fee is $97.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n\n<p><div itemscope=\"\" itemprop=\"author\" itemtype=\"https:\/\/schema.org\/Person\" class=\"author-bio\"><img loading=\"lazy\" decoding=\"async\" itemprop=\"image\" class=\"author-image\" height=\"127\" width=\"127\" alt=\"A woman with wavy blonde hair wearing a light blue top smiles at the camera. Shelves with books and a plant are visible in the blurred background.\" src=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2024\/11\/Amber.png\"><div class=\"author-text\"><p class=\"author-name\">By <span itemprop=\"name\">Amber&#160;Pippins<\/span><\/p><div class=\"author-desc\"><p>Amber is an interactive content lead at Mometrix, collaborating with online course managers to develop and maintain accurate, high-quality study materials. She holds a master\u2019s degree in biology from Plymouth State University, which has sharpened her analytical thinking and research skills, allowing her to experiment with new features to support Mometrix's goals.<\/p><\/div><\/div><\/div><div itemscope=\"\" itemprop=\"editor\" itemtype=\"https:\/\/schema.org\/Person\" class=\"author-bio\"><img loading=\"lazy\" decoding=\"async\" itemprop=\"image\" class=\"author-image\" height=\"127\" width=\"127\" alt=\"Aaron Lanni profile pic\" src=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2024\/12\/image_2024-12-11_124906662.png\"><div class=\"author-text\"><p class=\"author-name\">Edited by <span itemprop=\"name\">Aaron Lanni<\/span><\/p><div class=\"author-desc\"><p>Aaron is the content manager and lead editor for Mometrix Academy. He regularly produces, updates, proofreads, and edits content to ensure it meets Mometrix\u2019s quality and accessibility standards.<\/p><\/div><p class=\"alignright author-desc author-link\"><a class=\"ylist\" href=\"https:\/\/www.mometrix.com\/academy\/editorial-guidelines\/\">Learn more about our editorial guidelines<\/a> \u2192<\/p><\/div><\/div><\/p>\n<div class=\"home-buttons\">\n<p><a href=\"https:\/\/www.mometrix.com\/academy\/clep\/\">Other CLEP Tests<\/a><\/p>\n<\/div>\n<p class=\"disclaimer\">CLEP\u00ae and College-Level Examination Program\u00ae are trademarks registered by the College Board, which is not affiliated with, and does not endorse, this page.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The College Board administers the College-Level Examination Program\u00ae (CLEP\u00ae), which offers affordable exams that help students receive college credits. This article covers the CLEP Biology exam, which tests molecular, cellular, organismal, and population biology. Click \u201cStart Test\u201d above to take a free CLEP Biology practice test! Other CLEP Tests What is the CLEP Biology Exam? &#8230; <a title=\"CLEP&reg; Biology Practice Test\" class=\"read-more\" href=\"https:\/\/www.mometrix.com\/academy\/clep\/biology\/\" aria-label=\"Read more about CLEP&reg; Biology Practice Test\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":300936,"parent":15813,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":{"0":"post-26811","1":"page","2":"type-page","3":"status-publish","4":"has-post-thumbnail","6":"page_category-clep","7":"page_category-long-math","8":"page_type-exam-overview","9":"page_domain-clep"},"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"Explore our CLEP Biology practice test questions. 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