HESI A2 Biology Practice Test

Take our HESI biology practice test below (100% free). Use the answer explanations to help you better understand the questions.

If you want to take our full diagnostic exam, visit our HESI A2 practice home.

Free HESI Biology Practice Test

Take A Diagnostic Pretest

Take our diagnostic pretest to see if you are ready for your exam. You will also find other HESI subject exams. 100% free.

HESI Biology Overview

HESI biology is 1 of 8 potential sections you will take on the HESI exam. You can expect the following if you are asked to take the biology section:

  • 30 Questions
  • 25 Minutes

Some common topics tested on this section include:

  • Biology Basics
  • Cells
  • Cellular Respiration
  • Photosynthesis
  • DNA
  • Molecules
  • Genetics
  • Metabolism

An overview of the HESI biology exam. The exam includes 30 total questions.
Use more of our free prep by visiting our free HESI A2 practice test page.

Studying for HESI Biology

Studying for the biology section of the exam can feel more like a memory exercise for some people. We recommend the following when preparing for this section:

  • Learn the Basics: Make sure you understand the basics for each concept. This means actually learning and understanding things, not just memorizing.
  • Practice: Once you understand the basics, take some practice exams and see where you stand. These will be a good indicator of if you are ready or not.
  • Flashcards: Use flashcards for this section to ensure that you comprehend the important concepts.

HESI Biology FAQs

Some of the topics that are tested on the HESI math exam include:

  • Biology Basics
  • Cells
  • Cellular Respiration
  • Photosynthesis
  • DNA
  • Molecules
  • Genetics
  • Metabolism

There are 30 total questions on the biology portion of the HESI. Of those 30 questions, only 25 are scored. You will not know which questions are unscored, so try to answer them all correctly.

You will have 25 minutes to complete the biology portion of the exam. To keep pace, you will want to spend less than 50 seconds per question.

A great way to study for this section is to use a HESI exam study guide. A study guide will help refresh you on key topics and concepts.

In addition, having a study guide will help you study more efficiently. Everything you need to know will be in one place.

Authored By: Denise Lessow

Denise has been helping students study for 25+ years.

Denise has a wealth of knowledge and has helped students reach scores in the top 10% across all subject areas for the HESI, TEAS, and NLN NEX exams.

Learn more about Denise Lessow.

Pass Your HESI.
Guaranteed.

HESI A2 Online Prep Course

  • 2,000+ Practice Questions
  • 1,250+ Flashcards
  • 200+ Learning Modules
BoostPrep Pass Guarantee Shield