TEAS 7 Science: practice questions and study guide
The TEAS 7 Science section has 50 questions in 60 minutes — the most of any section. Anatomy & Physiology carries the largest share, followed by Biology, Chemistry and Scientific Reasoning. Expect body systems, cells and genetics, basic chemistry, and questions about experiments and data.
What's tested
Anatomy & PhysiologyThe structure and function of the major body systems and how they keep the body in balance — the largest part of the TEAS science section.Guide →BiologyCells and their organelles, cell division, DNA and protein synthesis, genetics, macromolecules, and microorganisms.Guide →ChemistryAtomic structure, the periodic table, chemical bonds and reactions, states of matter, solutions, and acids and bases.Guide →Scientific ReasoningThe scientific method: designing experiments, identifying variables and controls, evaluating evidence and interpreting results.Guide →How to score higher
- Prioritize anatomy & physiology: it's the biggest slice of the section.
- Learn each body system as a story: structures → function → how it keeps homeostasis.
- For genetics, practice Punnett squares until monohybrid crosses take under a minute.
- In scientific reasoning, identify the independent and dependent variables first.
- At about 72 seconds per question, don't let one tricky item eat your time — flag it.
Free TEAS 7 Science practice questions
Pick an answer to see whether you're right and why. These come from our full bank of 224 Science questions.
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Answer: C. ADH increases water reabsorption in the collecting ducts, conserving water and concentrating the urine.
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Answer: B. Enzymes are biological catalysts that lower activation energy. They are not used up in the reaction.
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Answer: C. Rusting forms a new substance (iron oxide). The others change only physical form.
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Answer: B. An inference is a conclusion drawn from observations. Dark urine, a fast heart rate and dry lips are observations that support the inference of dehydration.
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Answer: A. Glucose is normally fully reabsorbed. Glucose in urine (glycosuria) can indicate high blood sugar, as in uncontrolled diabetes.
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Answer: D. High temperatures disrupt the bonds that hold an enzyme's 3D shape, so its active site no longer works.
Science FAQ
What science is on the TEAS 7?
Human anatomy and physiology, biology (cells, genetics, macromolecules, microorganisms), chemistry (atoms, bonding, reactions, pH, solutions) and scientific reasoning.
Which science topic is most important?
Anatomy and physiology makes up the largest part of the science section, so it's the best place to focus your study time.
How many science questions are on the TEAS 7?
50 questions in 60 minutes, including unscored pretest questions.
Other sections: Reading · Math · English & Language Usage