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HESI A2 Biology Practice Test 2026-2027 and Free Sample Questions

2026-2027 exam practice page

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HESI A2 Biology

20 questions on this page 70% passing score 6 question bank
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Question 1 Identify the basic unit of life

Question 1: Identify the basic unit of life

Which of the following is considered the basic structural and functional unit of all living things?

Question 2 Identify cell organelles and their functions

Question 2: Identify cell organelles and their functions

Which organelle is known as the powerhouse of the cell because it produces most of the cell's energy?

Question 3 Apply knowledge of genetics

Question 3: Apply knowledge of genetics

In a genetic cross, an allele that is expressed and masks the effect of another allele is described as

Question 4 Identify biological molecules

Question 4: Identify biological molecules

Which class of biological molecules serves as the primary source of quick energy for cells and includes sugars and starches?

Question 5 Apply knowledge of cell division

Question 5: Apply knowledge of cell division

Which process of cell division produces two genetically identical daughter cells and is used for growth and repair?

Question 6 Identify the function of DNA

Question 6: Identify the function of DNA

What is the primary function of deoxyribonucleic acid in a cell?

Question 7 Apply knowledge of photosynthesis

Question 7: Apply knowledge of photosynthesis

During photosynthesis, plants use sunlight, water, and carbon dioxide to produce glucose and which other product?

Question 8 Identify cell types

Question 8: Identify cell types

Which of the following correctly describes a difference between a prokaryotic cell and a eukaryotic cell?

Question 9 Apply knowledge of cellular metabolism

Question 9: Apply knowledge of cellular metabolism

Cellular respiration is the process by which cells break down glucose to release energy. In which organelle does most of this process occur in eukaryotic cells?

Question 10 Apply knowledge of Mendelian genetics

Question 10: Apply knowledge of Mendelian genetics

In pea plants, the allele for tall plants is dominant over the allele for short plants. If a plant has one tall allele and one short allele, what will the plant's appearance be?

Question 11 Identify the levels of biological organization

Question 11: Identify the levels of biological organization

In the levels of biological organization, which level is formed when several tissues work together to perform a specific function?

Question 12 Apply knowledge of classification

Question 12: Apply knowledge of classification

In the classification of living things, which of the following lists the levels in order from the broadest to the most specific?

Question 13 Identify the function of proteins

Question 13: Identify the function of proteins

Which of the following is a major function of proteins in the body?

Question 14 Apply knowledge of cell transport

Question 14: Apply knowledge of cell transport

The movement of water across a selectively permeable membrane from an area of higher water concentration to an area of lower water concentration is called

Question 15 Identify the role of enzymes

Question 15: Identify the role of enzymes

Enzymes are biological molecules that speed up chemical reactions in the body. To which class of biological molecules do most enzymes belong?

Question 16 Apply knowledge of inheritance

Question 16: Apply knowledge of inheritance

A chromosome carries many units of heredity that determine an organism's traits. What is the term for a single unit of heredity that codes for a specific trait?

Question 17 Identify characteristics of living things

Question 17: Identify characteristics of living things

Which of the following is a characteristic shared by all living organisms?

Question 18 Apply knowledge of metabolism

Question 18: Apply knowledge of metabolism

Metabolism includes all the chemical reactions in an organism. Reactions that build complex molecules from simpler ones are described as

Question 19 Identify the structure of the cell membrane

Question 19: Identify the structure of the cell membrane

The cell membrane controls what enters and leaves the cell. This property of the membrane is best described as

Question 20 Apply knowledge of human body systems

Question 20: Apply knowledge of human body systems

Which body system is responsible for transporting oxygen, nutrients, and hormones to cells throughout the body?

Question 1 of 20

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About this practice test

What this 2026-2027 HESI A2 Biology Practice Test covers

Built for nursing students and candidates searching for HESI A2 Biology Practice Test, HESI A2 Biology practice questions, or a clear HESI A2 Biology study guide before an upcoming exam date.

Focus areas include HESI A2 Biology Practice Test, HESI A2 Biology practice questions and HESI A2 Biology free practice questions. Focus areas include reading comprehension, math, science, anatomy and physiology, vocabulary, pacing, and answer elimination, along with realistic timing, careful review of why distractors are wrong, and practical explanations that help the tested pattern stick.

Work through up to 100 Elsevier-style questions built around reading comprehension, math, science, anatomy and physiology, vocabulary, pacing, and answer elimination.
Use answer-by-answer rationales to understand why the best option wins and why close distractors fail.
Start with the free sample before paying, then unlock the full timed bank only if the practice style fits.
Review missed questions with memory-friendly explanations so the tested pattern is easier to recognize later.

Use this HESI A2 Biology Practice Test to practice realistic Elsevier questions with 20 free sample questions, timed full-bank review, answer explanations, and focused rationales for reading comprehension, math, science, anatomy and physiology, vocabulary, pacing, and answer elimination.

Built for nursing students and candidates searching for HESI A2 Biology Practice Test, HESI A2 Biology practice questions, or a clear HESI A2 Biology study guide before an upcoming exam date.

Focus areas include reading comprehension, math, science, anatomy and physiology, vocabulary, pacing, and answer elimination, along with realistic timing, careful review of why distractors are wrong, and practical explanations that help the tested pattern stick.

Search intent this page is built to answer

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What you will practice on this page

  • Work through up to 100 Elsevier-style questions built around reading comprehension, math, science, anatomy and physiology, vocabulary, pacing, and answer elimination.
  • Use answer-by-answer rationales to understand why the best option wins and why close distractors fail.
  • Start with the free sample before paying, then unlock the full timed bank only if the practice style fits.
  • Review missed questions with memory-friendly explanations so the tested pattern is easier to recognize later.

How to use this exam to study smarter

  1. Start with the free HESI A2 Biology sample as a diagnostic so you know whether content, timing, or question wording is the real problem.
  2. Review every missed question before moving on, especially the distractors that felt tempting under time pressure.
  3. Retake the full HESI A2 Biology practice test in timed mode and use the score report to choose the next weak area.

Frequently asked questions

Is this HESI A2 Biology Practice Test built for the 2026-2027 exam cycle?

Yes. This PracticeTestVault page is positioned for 2026-2027 prep for HESI A2 Biology and is written as independent practice material. It is not an official exam, not copied from a live test, and not endorsed by the exam owner.

Can I try HESI A2 Biology Practice Test before I buy?

Yes. You can take 20 free sample questions before checkout. Those sample questions are separate preview questions and are not counted as part of the paid 300-question bank.

What is included with single HESI A2 Biology access?

Single-exam access unlocks one 300-question bank for this exact exam, a timed practice flow, instant score reporting, answer-level rationales, option-by-option review, and 3 real-world analogies, topic article cards, and source checks per question to make the concepts easier to remember.

How do the same-exam practice packs work?

Practice packs stay focused on this exact exam type. A 5-form pack gives 5 separate paid forms, a 10-form pack gives 10 forms, and a 15-form pack gives 15 forms. Each paid form has 300 questions, so students can get more full-length practice without mixing unrelated exams.

Does PracticeTestVault guarantee that I will pass?

No practice site can honestly guarantee a passing score. This HESI A2 Biology Practice Test is designed to help you study more effectively by combining timed practice, a 70% suggested passing benchmark, detailed rationales, and memory-building analogies so you can find weak areas before test day.

Question-linked study articles

Study articles that support HESI A2 Biology prep

These guides come from this exam's question topics. Use them after a missed question to review the concept, answer reasoning, distractors, and sources.

PracticeTestVault review illustration for Timed accuracy on HESI A2 Biology Review: Timed accuracy

Question topic: Timed accuracy

HESI A2 Biology Review: Timed accuracy

July 16, 2026 2 min read

Review timed accuracy for this HESI A2 Biology question with the key prompt clue, correct-answer reasoning, distractor checks, and sources to verify next.

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PracticeTestVault review illustration for Ethics on HESI A2 Biology Review: Ethics

Question topic: Ethics

HESI A2 Biology Review: Ethics

July 16, 2026 2 min read

Review ethics for this HESI A2 Biology question with the key prompt clue, correct-answer reasoning, distractor checks, and sources to verify next.

Read article
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