{"id":18342,"date":"2015-08-14T16:23:28","date_gmt":"2015-08-14T16:23:28","guid":{"rendered":"http:\/\/www.mometrix.com\/academy\/?page_id=18342"},"modified":"2026-07-21T11:24:36","modified_gmt":"2026-07-21T16:24:36","slug":"hesi-a2-biology-practice-test","status":"publish","type":"page","link":"https:\/\/www.mometrix.com\/academy\/hesi-a2-biology-practice-test\/","title":{"rendered":"HESI<sup>&reg;<\/sup> A2 Biology Practice Test"},"content":{"rendered":"<p>The HESI<sup>&reg;<\/sup> A2 Biology Test covers some of the basics of biology, including molecules, DNA, photosynthesis, metabolism, and genetics.<\/p>\n<p>To help you prepare for this section of the HESI, this page contains everything you need to know, including what topics are covered, how many questions there are, and how you can study effectively.<\/p>\n<div class=\"buttonlinks\">\n<a href=\"https:\/\/www.mometrix.com\/university\/hesi?utm_source=academy&amp;utm_medium=button&amp;utm_campaign=academy-mu-ads&amp;utm_content=hesia2-test\" class=\"class_names\" style=\"color:black;\" onclick=\"_paq.push(['trackEvent', 'Course Button', 'Course Click', 'HESIA2 Course Click']);\">HESI A2 Online Course<\/a><br \/>\n<a href=\"https:\/\/www.mometrix.com\/academy\/hesi-a2-study-guide\/\" class=\"class_names\" style=\"color:black;\" onclick=\"_paq.push(['trackEvent', 'Guide Button', 'Guide Click', 'HESIA2 Guide Click']);\">HESI Study Guide<\/a><br \/>\n<a href=\"https:\/\/www.flashcardsecrets.com\/hesi\/\" class=\"class_names\" style=\"color:black;\" onclick=\"_paq.push(['trackEvent', 'Flashcard Button', 'Flashcard Button Click', 'HESIA2 Flashcard Click']);\">HESI A2 Flashcards<\/a><\/div>\n<h2 class=\"pt-page\"><span id=\"What&#039;s_on_the_HESI_Biology_Test\" class=\"m-toc-anchor\"><\/span>What&#8217;s on the HESI Biology Test?<\/h2>\n<p><a href=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2024\/08\/HESI-A2-Biology-Section-Outline.png\"><img decoding=\"async\" src=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2024\/08\/HESI-A2-Biology-Section-Outline.svg\" alt=\"HESI A2 Biology Section Outline listing topics such as Basics of Biology, Cellular Respiration, Genetics, and more. The section includes 30 questions.\" width=\"555.5\" height=\"266.2\" class=\"aligncenter size-full wp-image-226462\" role=\"img\" \/><\/a><\/p>\n<h2 class=\"pt-page\"><span id=\"HESI_A2_Biology_Practice_Questions\" class=\"m-toc-anchor\"><\/span>HESI A2 Biology Practice Questions<\/h2>\n<p>One of the best ways to test your knowledge is by taking a practice test. Evaluate your biology knowledge by trying your hand at the three practice questions below!<\/p>\n<p>Answer each question and read through the answer explanation, whether you got the answer right or wrong. This will help you ensure you&#8217;ve got the topic mastered.<\/p>\n<p>Whether you struggled with these questions or aced them on your first try, be sure to take the <a class=\"ylist\" href=\"https:\/\/academy-pq.app.mometrix.com\/practicequestion\/products\/HESIA2PQ_Biology\" target=\"_blank\">full practice test<\/a> to get a better idea of how prepared you really are!<\/p>\n<div style=\"margin-bottom: 1.5em; margin-top: 2em;\"><div class=\"hesi-question-container\">\r\n    <p class=\"hesi-question-text\">1. If an organism is AaBb, which of the following combinations in the gametes is NOT possible?<\/p>\r\n    \r\n    <label class=\"hesi-choice-label\" style=\"margin-bottom: 1em;\"><input type=\"radio\" name=\"choice4\" value=\"A\" class=\"hesi-choice-input\"> <span style=\"font-weight: 600;\">A.<\/span>&nbsp;AB<\/label>\r\n    <label class=\"hesi-choice-label\" style=\"margin-bottom: 1em;\"><input type=\"radio\" name=\"choice4\" value=\"B\" class=\"hesi-choice-input\"> <span style=\"font-weight: 600;\">B. <\/span>&nbsp;aa<\/label>\r\n    <label class=\"hesi-choice-label\" style=\"margin-bottom: 1em;\"><input type=\"radio\" name=\"choice4\" value=\"C\" class=\"hesi-choice-input\"> <span style=\"font-weight: 600;\">C. <\/span>&nbsp;aB<\/label>\r\n    <label class=\"hesi-choice-label\" style=\"margin-bottom: 1em;\"><input type=\"radio\" name=\"choice4\" value=\"D\" class=\"hesi-choice-input\"> <span style=\"font-weight: 600;\">D. <\/span>&nbsp;Ab<\/label>\r\n    <button class=\"hesi-submit-btn\" onclick=\"checkAnswer(4)\">Submit<\/button><br>\r\n    <div id=\"feedback4\" class=\"hesi-feedback-text\"><\/div>\r\n    <div id=\"explanation4\" class=\"hesi-explanation-text\">\r\nGametes are haploid and carry only one allele per gene. Remember that a zygote receives one allele from each parent, so each allele cannot be used more than one time. Therefore, it is impossible for an AaBb zygote to have an aa parent gamete; it would be impossible for the lowercase <em>a<\/em> to appear twice in the gamete.\r\n\r\n<\/div>\r\n <div class=\"bugreport\">Found a bug? <a class=\"ylist\" href=\"https:\/\/airtable.com\/appgcc1PP0BbzPCbI\/shr5gZ1gnO15kxPFw?prefill_Test=HESI%20Biology&prefill_Question+Number=1&prefill_Which+Form=General-IQ-Feedback&prefill_UP-ID=General-IQ-Feedback%20-%20HESI%20Biology%20-%201&hide_Test=true&hide_Which+Form=true&hide_UP-ID=true&hide_Question+Number=true\" target=\"_blank\" rel=\"noopener\">Let us know!<\/a><\/div>\r\n<\/div><\/div>\n<div style=\"margin-bottom: 1.5em;\"><div class=\"hesi-question-container\">\r\n    <p class=\"hesi-question-text\">2. Which part of aerobic respiration uses oxygen?<\/p>\r\n    \r\n    <label class=\"hesi-choice-label\" style=\"margin-bottom: 1em;\"><input type=\"radio\" name=\"choice5\" value=\"A\" class=\"hesi-choice-input\"> <span style=\"font-weight: 600;\">A.<\/span>&nbsp;Osmosis<\/label>\r\n    <label class=\"hesi-choice-label\" style=\"margin-bottom: 1em;\"><input type=\"radio\" name=\"choice5\" value=\"B\" class=\"hesi-choice-input\"> <span style=\"font-weight: 600;\">B. <\/span>&nbsp;Krebs cycle<\/label>\r\n    <label class=\"hesi-choice-label\" style=\"margin-bottom: 1em;\"><input type=\"radio\" name=\"choice5\" value=\"C\" class=\"hesi-choice-input\"> <span style=\"font-weight: 600;\">C. <\/span>&nbsp;Glycolysis<\/label>\r\n    <label class=\"hesi-choice-label\" style=\"margin-bottom: 1em;\"><input type=\"radio\" name=\"choice5\" value=\"D\" class=\"hesi-choice-input\"> <span style=\"font-weight: 600;\">D. <\/span>&nbsp;Electron transport system<\/label>\r\n    <button class=\"hesi-submit-btn\" onclick=\"checkAnswer(5)\">Submit<\/button><br>\r\n    <div id=\"feedback5\" class=\"hesi-feedback-text\"><\/div>\r\n    <div id=\"explanation5\" class=\"hesi-explanation-text\">\r\nThe electron transport system enacted during aerobic respiration requires oxygen. This is the last component of biological oxidation. Osmosis is the movement of fluid from an area of high concentration through a partially permeable membrane to an area of lower concentration. This process usually stops when the concentration is the same on either side of the membrane. Glycolysis is the initial step in the release of glucose energy.\r\n<br>\r\n<br>\r\nThe Krebs cycle an intermediate phase of the process in which cells convert food into energy. It is during this stage that carbon dioxide is produced and hydrogen is extracted from molecules of carbon.\r\n\r\n<\/div>\r\n <div class=\"bugreport\">Found a bug? <a class=\"ylist\" href=\"https:\/\/airtable.com\/appgcc1PP0BbzPCbI\/shr5gZ1gnO15kxPFw?prefill_Test=HESI%20Biology&prefill_Question+Number=2&prefill_Which+Form=General-IQ-Feedback&prefill_UP-ID=General-IQ-Feedback%20-%20HESI%20Biology%20-%201&hide_Test=true&hide_Which+Form=true&hide_UP-ID=true&hide_Question+Number=true\" target=\"_blank\" rel=\"noopener\">Let us know!<\/a><\/div>\r\n<\/div><\/div>\n<div style=\"margin-bottom: 1.5em;\"><div class=\"hesi-question-container\">\r\n    <p class=\"hesi-question-text\">3. Which of the following is the most general taxonomic category?<\/p>\r\n   \r\n    <label class=\"hesi-choice-label\" style=\"margin-bottom: 1em;\"><input type=\"radio\" name=\"choice6\" value=\"A\" class=\"hesi-choice-input\"> <span style=\"font-weight: 600;\">A.<\/span>&nbsp;Kingdom<\/label>\r\n    <label class=\"hesi-choice-label\" style=\"margin-bottom: 1em;\"><input type=\"radio\" name=\"choice6\" value=\"B\" class=\"hesi-choice-input\"> <span style=\"font-weight: 600;\">B. <\/span>&nbsp;Phylum<\/label>\r\n    <label class=\"hesi-choice-label\" style=\"margin-bottom: 1em;\"><input type=\"radio\" name=\"choice6\" value=\"C\" class=\"hesi-choice-input\"> <span style=\"font-weight: 600;\">C. <\/span>&nbsp;Genus<\/label>\r\n    <label class=\"hesi-choice-label\" style=\"margin-bottom: 1em;\"><input type=\"radio\" name=\"choice6\" value=\"D\" class=\"hesi-choice-input\"> <span style=\"font-weight: 600;\">D. <\/span>&nbsp;Order<\/label>\r\n    <button class=\"hesi-submit-btn\" onclick=\"checkAnswer(6)\">Submit<\/button><br>\r\n    <div id=\"feedback6\" class=\"hesi-feedback-text\"><\/div>\r\n    <div id=\"explanation6\" class=\"hesi-explanation-text\">\r\nKingdom is the most general taxonomic category of the choices given.\r\n<br>\r\n<br>Domain is the most general taxonomic rank overall, but it is not listed as an answer choice. A genus is a group of related species, which are capable of breeding and producing similar offspring. In binomial nomenclature, genus is the first name. An order is any group of similar families. A phylum is any group of closely related classes.\r\n<br>\r\n<br>\r\nThe levels are listed here in order from most general to most specific: domain, kingdom, phylum, class, order, family, genus, and species.\r\n\r\n<\/div>\r\n <div class=\"bugreport\">Found a bug? <a class=\"ylist\" href=\"https:\/\/airtable.com\/appgcc1PP0BbzPCbI\/shr5gZ1gnO15kxPFw?prefill_Test=HESI%20Biology&prefill_Question+Number=3&prefill_Which+Form=General-IQ-Feedback&prefill_UP-ID=General-IQ-Feedback%20-%20HESI%20Biology%20-%201&hide_Test=true&hide_Which+Form=true&hide_UP-ID=true&hide_Question+Number=true\" target=\"_blank\" rel=\"noopener\">Let us know!<\/a><\/div>\r\n<\/div><\/div>\n\n<h2 class=\"pt-page\"><span id=\"HESI_A2_Online_Prep_Course\" class=\"m-toc-anchor\"><\/span>HESI A2 Online Prep Course<\/h2>\n<p>If you want to be fully prepared, Mometrix offers an online HESI prep course designed to give you everything you need to succeed!<\/p>\n<p>Here&#8217;s what you&#8217;ll find in the HESI A2 course:<\/p>\n<div class=\"mocblurb\"><ul>\n  <li class=\"moclessons\"><span class=\"moc-feature-text\">80+ Review Lessons Covering Every Topic<\/span><\/li>\n  <li class=\"mocpqs\"><span class=\"moc-feature-text\">Over 3,200 HESI A2 Practice Questions<\/span><\/li>\n  <li class=\"mocflash\"><span class=\"moc-feature-text\">550+ Digital Flashcards<\/span><\/li>\n  <li class=\"mocvideos\"><span class=\"moc-feature-text\">180+ Instructional Videos<\/span><\/li>\n  <li class=\"mocmoney\"><span class=\"moc-feature-text\">Money-back Guarantee<\/span><\/li>\n  <li class=\"mocmobile\"><span class=\"moc-feature-text\">Mobile Access<\/span><\/li>\n<\/ul><\/div>\n\n<p>Everyone learns differently, so we&#8217;ve tailored the HESI online prep course to ensure every learner has what they need to prepare for the HESI exam.<\/p>\n<p>Click below to check it out!<\/p>\n<div class=\"buttonlinks\"><a href=\"https:\/\/www.mometrix.com\/university\/hesi?utm_source=academy&amp;utm_medium=copy&amp;utm_campaign=academy-mu-ads&amp;utm_content=hesia2-test\" class=\"class_names\" style=\"color:black;\" onclick=\"_paq.push(['trackEvent', 'Course Button', 'Course Click', 'HESIA2 Course Click']);\">Start your HESI A2 Online Course<\/a><\/div>\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 Biology section of the HESI A2?<\/p>\n<\/p><\/div>\n<div class=\"a_item\">\n<h4 class=\"letter text_bold\">A<\/h4>\n<p>There are 30 questions on the Biology section of the HESI A2 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 Biology section of the HESI A2?<\/p>\n<\/p><\/div>\n<div class=\"a_item\">\n<h4 class=\"letter text_bold\">A<\/h4>\n<p>Each school sets their own time limit for each section of 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;\">What is a passing score for the Biology section of the HESI A2?<\/p>\n<\/p><\/div>\n<div class=\"a_item\">\n<h4 class=\"letter text_bold\">A<\/h4>\n<p>There are no official passing scores or failing scores on the HESI exam.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n\n<p><div itemscope=\"\" itemprop=\"author\" itemtype=\"http:\/\/schema.org\/Person\" class=\"author-bio\"><img loading=\"lazy\" decoding=\"async\" itemprop=\"image\" class=\"author-image\" height=\"127\" width=\"127\" alt=\"Headshot of Kate Nockunas.\" src=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2022\/06\/tinywow_tinywow_Kate-Nockunas-Cropped-min_24640345_24640389.webp\"><div class=\"author-text\"><p class=\"author-name\">By <span itemprop=\"name\">Kate Nockunas<\/span><\/p><div class=\"author-desc\"><p>Kate has been Mometrix\u2019s Nursing and Medical Editor for over four years. She has a bachelor\u2019s degree in Communications from Vanderbilt University, a bachelor\u2019s degree in Nursing from Marymount University, and a master\u2019s degree in Education from Johns Hopkins. Kate is a critical care registered nurse who still works occasionally in the ICU and PACU.<\/p>\n<\/div><\/div><\/div><div itemscope=\"\" itemprop=\"editor\" itemtype=\"http:\/\/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>\n<\/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\/hesi-a2-practice-test\/\">HESI A2 Practice Test Home<\/a><\/p>\n<\/div>\n<p class=\"disclaimer\">HESI is a registered trademark of Elsevier, Inc., which was not involved in the production of, and does not endorse, this page.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The HESI&reg; A2 Biology Test covers some of the basics of biology, including molecules, DNA, photosynthesis, metabolism, and genetics. To help you prepare for this section of the HESI, this page contains everything you need to know, including what topics are covered, how many questions there are, and how you can study effectively. What&#8217;s on &#8230; <a title=\"HESI&reg; A2 Biology Practice Test\" class=\"read-more\" href=\"https:\/\/www.mometrix.com\/academy\/hesi-a2-biology-practice-test\/\" aria-label=\"Read more about HESI&reg; A2 Biology Practice Test\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":272017,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":{"0":"post-18342","1":"page","2":"type-page","3":"status-publish","4":"has-post-thumbnail","6":"page_category-course-pages","7":"page_category-hesi-advertising-group","8":"page_category-hesi-pages","9":"page_type-exam-overview","10":"page_domain-hesi-a2"},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Test your knowledge of a wide variety of biology concepts using this free HESI A2 Biology practice test!\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.mometrix.com\/academy\/hesi-a2-biology-practice-test\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO Pro (AIOSEO) 5.0.0.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"|\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Free HESI A2 Biology Practice Test (updated 2026)\" \/>\n\t\t<meta property=\"og:description\" content=\"Test your knowledge of a wide variety of biology concepts using this free HESI A2 Biology practice test!\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/www.mometrix.com\/academy\/hesi-a2-biology-practice-test\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2025\/09\/HESI-A2-Biology-Practice-Test-scaled.png\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2025\/09\/HESI-A2-Biology-Practice-Test-scaled.png\" \/>\n\t\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t\t<meta property=\"og:image:height\" content=\"1344\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2015-08-14T16:23:28+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-07-21T16:24:36+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Free HESI A2 Biology Practice Test (updated 2026)\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Test your knowledge of a wide variety of biology concepts using this free HESI A2 Biology practice test!\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2025\/09\/HESI-A2-Biology-Practice-Test-scaled.png\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.mometrix.com\\\/academy\\\/hesi-a2-biology-practice-test\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.mometrix.com\\\/academy#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.mometrix.com\\\/academy\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.mometrix.com\\\/academy\\\/hesi-a2-biology-practice-test\\\/#listItem\",\"name\":\"HESI&reg; A2 Biology Practice Test\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.mometrix.com\\\/academy\\\/hesi-a2-biology-practice-test\\\/#listItem\",\"position\":2,\"name\":\"HESI&reg; A2 Biology Practice Test\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.mometrix.com\\\/academy#listItem\",\"name\":\"Home\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.mometrix.com\\\/academy\\\/#organization\",\"url\":\"https:\\\/\\\/www.mometrix.com\\\/academy\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/www.mometrix.com\\\/academy\\\/wp-content\\\/uploads\\\/2022\\\/06\\\/Mometrix-Test-Prep-Logo-min.png\",\"@id\":\"https:\\\/\\\/www.mometrix.com\\\/academy\\\/hesi-a2-biology-practice-test\\\/#organizationLogo\",\"width\":557,\"height\":242,\"caption\":\"Mometrix Test Preparation logo\"},\"image\":{\"@id\":\"https:\\\/\\\/www.mometrix.com\\\/academy\\\/hesi-a2-biology-practice-test\\\/#organizationLogo\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.mometrix.com\\\/academy\\\/hesi-a2-biology-practice-test\\\/#webpage\",\"url\":\"https:\\\/\\\/www.mometrix.com\\\/academy\\\/hesi-a2-biology-practice-test\\\/\",\"name\":\"Free HESI A2 Biology Practice Test (updated 2026)\",\"description\":\"Test your knowledge of a wide variety of biology concepts using this free HESI A2 Biology practice test!\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.mometrix.com\\\/academy\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.mometrix.com\\\/academy\\\/hesi-a2-biology-practice-test\\\/#breadcrumblist\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/www.mometrix.com\\\/academy\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/HESI-A2-Biology-Practice-Test-scaled.png\",\"@id\":\"https:\\\/\\\/www.mometrix.com\\\/academy\\\/hesi-a2-biology-practice-test\\\/#mainImage\",\"width\":2560,\"height\":1344,\"caption\":\"Yellow banner for Mometrix HESI A2 Biology Practice Test, featuring a hand filling out a multiple-choice answer sheet with a pencil.\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.mometrix.com\\\/academy\\\/hesi-a2-biology-practice-test\\\/#mainImage\"},\"datePublished\":\"2015-08-14T16:23:28-05:00\",\"dateModified\":\"2026-07-21T11:24:36-05:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.mometrix.com\\\/academy\\\/#website\",\"url\":\"https:\\\/\\\/www.mometrix.com\\\/academy\\\/\",\"inLanguage\":\"en-US\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.mometrix.com\\\/academy\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO Pro -->\r\n\t\t<title>Free HESI A2 Biology Practice Test (updated 2026)<\/title>\n\n","aioseo_head_json":{"title":"Free HESI A2 Biology Practice Test (updated 2026)","description":"Test your knowledge of a wide variety of biology concepts using this free HESI A2 Biology practice test!","canonical_url":"https:\/\/www.mometrix.com\/academy\/hesi-a2-biology-practice-test\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/www.mometrix.com\/academy\/hesi-a2-biology-practice-test\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/www.mometrix.com\/academy#listItem","position":1,"name":"Home","item":"https:\/\/www.mometrix.com\/academy","nextItem":{"@type":"ListItem","@id":"https:\/\/www.mometrix.com\/academy\/hesi-a2-biology-practice-test\/#listItem","name":"HESI&reg; A2 Biology Practice Test"}},{"@type":"ListItem","@id":"https:\/\/www.mometrix.com\/academy\/hesi-a2-biology-practice-test\/#listItem","position":2,"name":"HESI&reg; A2 Biology Practice Test","previousItem":{"@type":"ListItem","@id":"https:\/\/www.mometrix.com\/academy#listItem","name":"Home"}}]},{"@type":"Organization","@id":"https:\/\/www.mometrix.com\/academy\/#organization","url":"https:\/\/www.mometrix.com\/academy\/","logo":{"@type":"ImageObject","url":"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2022\/06\/Mometrix-Test-Prep-Logo-min.png","@id":"https:\/\/www.mometrix.com\/academy\/hesi-a2-biology-practice-test\/#organizationLogo","width":557,"height":242,"caption":"Mometrix Test Preparation logo"},"image":{"@id":"https:\/\/www.mometrix.com\/academy\/hesi-a2-biology-practice-test\/#organizationLogo"}},{"@type":"WebPage","@id":"https:\/\/www.mometrix.com\/academy\/hesi-a2-biology-practice-test\/#webpage","url":"https:\/\/www.mometrix.com\/academy\/hesi-a2-biology-practice-test\/","name":"Free HESI A2 Biology Practice Test (updated 2026)","description":"Test your knowledge of a wide variety of biology concepts using this free HESI A2 Biology practice test!","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/www.mometrix.com\/academy\/#website"},"breadcrumb":{"@id":"https:\/\/www.mometrix.com\/academy\/hesi-a2-biology-practice-test\/#breadcrumblist"},"image":{"@type":"ImageObject","url":"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2025\/09\/HESI-A2-Biology-Practice-Test-scaled.png","@id":"https:\/\/www.mometrix.com\/academy\/hesi-a2-biology-practice-test\/#mainImage","width":2560,"height":1344,"caption":"Yellow banner for Mometrix HESI A2 Biology Practice Test, featuring a hand filling out a multiple-choice answer sheet with a pencil."},"primaryImageOfPage":{"@id":"https:\/\/www.mometrix.com\/academy\/hesi-a2-biology-practice-test\/#mainImage"},"datePublished":"2015-08-14T16:23:28-05:00","dateModified":"2026-07-21T11:24:36-05:00"},{"@type":"WebSite","@id":"https:\/\/www.mometrix.com\/academy\/#website","url":"https:\/\/www.mometrix.com\/academy\/","inLanguage":"en-US","publisher":{"@id":"https:\/\/www.mometrix.com\/academy\/#organization"}}]},"og:locale":"en_US","og:site_name":"|","og:type":"article","og:title":"Free HESI A2 Biology Practice Test (updated 2026)","og:description":"Test your knowledge of a wide variety of biology concepts using this free HESI A2 Biology practice test!","og:url":"https:\/\/www.mometrix.com\/academy\/hesi-a2-biology-practice-test\/","og:image":"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2025\/09\/HESI-A2-Biology-Practice-Test-scaled.png","og:image:secure_url":"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2025\/09\/HESI-A2-Biology-Practice-Test-scaled.png","og:image:width":"2560","og:image:height":"1344","article:published_time":"2015-08-14T16:23:28+00:00","article:modified_time":"2026-07-21T16:24:36+00:00","twitter:card":"summary_large_image","twitter:title":"Free HESI A2 Biology Practice Test (updated 2026)","twitter:description":"Test your knowledge of a wide variety of biology concepts using this free HESI A2 Biology practice test!","twitter:image":"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2025\/09\/HESI-A2-Biology-Practice-Test-scaled.png"},"aioseo_meta_data":{"post_id":"18342","title":"Free HESI A2 Biology Practice Test (updated 2026)","description":"Test your knowledge of a wide variety of biology concepts using this free HESI A2 Biology practice test!","keywords":null,"keyphrases":{"focus":{"keyphrase":"","score":0,"analysis":{"keyphraseInTitle":{"score":0,"maxScore":9,"error":1}}},"additional":[]},"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"featured","og_image_url":"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2025\/09\/HESI-A2-Biology-Practice-Test-scaled.png","og_image_width":"2560","og_image_height":"1344","og_image_custom_url":null,"og_image_custom_fields":null,"og_video":"","og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"featured","twitter_image_url":"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2025\/09\/HESI-A2-Biology-Practice-Test-scaled.png","twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"WebPage","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":"{\"article\":{\"articleType\":\"BlogPosting\"},\"course\":{\"name\":\"\",\"description\":\"\",\"provider\":\"\"},\"faq\":{\"pages\":[]},\"product\":{\"reviews\":[]},\"recipe\":{\"ingredients\":[],\"instructions\":[],\"keywords\":[]},\"software\":{\"reviews\":[],\"operatingSystems\":[]},\"webPage\":{\"webPageType\":\"WebPage\"},\"blockGraphs\":[]}","pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":"-1","robots_max_videopreview":"-1","robots_max_imagepreview":"large","priority":null,"frequency":"default","location":null,"local_seo":null,"seo_analyzer_scan_date":null,"breadcrumb_settings":null,"limit_modified_date":false,"open_ai":"{\"title\":{\"suggestions\":[],\"usage\":0},\"description\":{\"suggestions\":[],\"usage\":0}}","ai":{"faqs":[],"keyPoints":[],"schemas":[],"titles":[],"descriptions":[],"socialPosts":{"email":{"subject":"","preview":"","content":""},"linkedin":[],"twitter":[],"facebook":[],"instagram":[]}},"created":"2021-02-18 17:14:44","updated":"2026-07-21 16:27:06","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"_links":{"self":[{"href":"https:\/\/www.mometrix.com\/academy\/wp-json\/wp\/v2\/pages\/18342","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mometrix.com\/academy\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.mometrix.com\/academy\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.mometrix.com\/academy\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mometrix.com\/academy\/wp-json\/wp\/v2\/comments?post=18342"}],"version-history":[{"count":7,"href":"https:\/\/www.mometrix.com\/academy\/wp-json\/wp\/v2\/pages\/18342\/revisions"}],"predecessor-version":[{"id":303888,"href":"https:\/\/www.mometrix.com\/academy\/wp-json\/wp\/v2\/pages\/18342\/revisions\/303888"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mometrix.com\/academy\/wp-json\/wp\/v2\/media\/272017"}],"wp:attachment":[{"href":"https:\/\/www.mometrix.com\/academy\/wp-json\/wp\/v2\/media?parent=18342"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}