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Biochemistry Practice Tests

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Free Biochemistry Diagnostic Tests

Take the Varsity Learning Tools free diagnostic test for Biochemistry to determine which academic concepts you understand and which ones require your ongoing attention. Each Biochemistry problem is tagged down to the core, underlying concept that is being tested. The Biochemistry diagnostic test results highlight how you performed on each area of the test. You can then utilize the results to create a personalized study plan that is based on your particular area of need.

Biochemistry Diagnostic Test 1

Questions: 40
Test Difficulty:
Average Time Spent: 7 mins

Biochemistry Diagnostic Test 2

Questions: 40
Test Difficulty:
Average Time Spent: 11 mins

Biochemistry Diagnostic Test 3

Questions: 40
Test Difficulty:
Average Time Spent: 10 mins

Biochemistry Diagnostic Test 4

Questions: 40
Test Difficulty:
Average Time Spent: 10 mins

Biochemistry Diagnostic Test 5

Questions: 40
Test Difficulty:
Average Time Spent: 13 mins

Biochemistry Diagnostic Test 6

Questions: 40
Test Difficulty:
Average Time Spent: 9 mins

Biochemistry is often a required subject for high school and college students who are interested in pursuing a degree in a scientific field. This branch of science combines biology and chemistry and involves understanding interactions, techniques, and how to solve problems. Oftentimes, mastering a complex subject like biochemistry requires more than simply attending class and completing your homework. Online biochemistry practice tests can help you by strengthening your working knowledge and skills in the subject and by exposing you to relevant study materials along the way. There are hundreds of free biochemistry practice tests available from Varsity Tutors’ Learning Tools that include biochemistry sample questions in a variety of categories. You’ll find both concept-specific tests and full-length biochemistry tests to help get you ahead of the game.

The short exercises cover topics like anabolic pathways, carbohydrate synthesis, and nucleic acid and protein synthesis. You can also test yourself on glycogenolysis, the citric acid cycle, photosynthesis, protein catabolism, enzyme kinetics, macromolecules, molecular bonds, protein structure, and many other biochemical processes that occur in our bodies every day. These biochemistry practice tests range from short exercises to longer problem sets. All of the biochemistry practice tests are designed to enhance your study plan. They integrate the same questions and topics you’ll encounter in class and on actual tests, so they are a great way to practice your skills and review biochemistry concepts.

The biochemistry sample questions are invaluable Learning Tools. They provide an in-depth review of complex topics so you can work toward a better understanding. Your score is provided instantly at the end of the test, along with many other useful metrics you can use to your advantage. Even if you got a low score, you can study the clear explanations of each answer that are provided on the feedback page. Each explanation discusses the relevant biochemistry topics and gives a full description of the method to obtain the correct response. Other useful tools include your scoring percentile, a summary, and charts comparing your performance to the scores of other test-takers on each question. It’s the same format used to score standardized tests, so the biochemistry practice tests can help you prepare for class exercises and future exams.

There’s plenty of free biochemistry study material on Varsity Tutors’ Learning Tools that can help you if you’re reviewing on your own. You can also work together with peers using the social media tools to share your biochemistry practice test scores and performance. Some students find that working in groups helps with motivation. Studying with others can also be beneficial since you can receive guidance from your peers on biochemistry concepts you’re less familiar with.

If you need to brush up on your biochemistry knowledge, the free online biochemistry practice tests from Varsity Tutors’ Learning Tools may be just what you’re looking for. The feedback provided at the end of the online biochemistry practice tests enables you to implement an individualized, time-saving study plan. By focusing on the biochemistry concepts you find most challenging, you can optimize the time that you spend on your biochemistry study.

Free Biochemistry Practice Tests

Our completely free Biochemistry practice tests are the perfect way to brush up your skills. Take one of our many Biochemistry practice tests for a run-through of commonly asked questions. You will receive incredibly detailed scoring results at the end of your Biochemistry practice test to help you identify your strengths and weaknesses. Pick one of our Biochemistry practice tests now and begin!

Practice Tests by Concept

Anabolic pathways and synthesis practice test

Questions: 2
Test Difficulty:
Average Time Spent: 29 secs

Carbohydrate synthesis practice test

Questions: 2
Test Difficulty:
Average Time Spent: 45 secs

Carbohydrate anabolism practice test

Questions: 2
Test Difficulty:
Average Time Spent: 35 secs

Regulating carbohydrate synthesis practice test

Questions: 2
Test Difficulty:
Average Time Spent: 26 secs

Lipid synthesis practice test

Questions: 2
Test Difficulty:
Average Time Spent: 53 secs

Lipid synthesis enzymes practice test

Questions: 2
Test Difficulty:
Average Time Spent: 41 secs

Lipid synthesis reactants, intermediates, and products practice test

Questions: 2
Test Difficulty:
Average Time Spent: 39 secs

Regulating lipid synthesis practice test

Questions: 1
Test Difficulty:

Nucleic acid synthesis practice test

Questions: 2
Test Difficulty:
Average Time Spent: 27 secs

Dna replication practice test

Questions: 2
Test Difficulty:
Average Time Spent: 28 secs

Regulating dna replication practice test

Questions: 4
Test Difficulty:
Average Time Spent: 1 mins 5 secs

Regulating transcription practice test

Questions: 2
Test Difficulty:
Average Time Spent: 1 mins 17 secs

Transcription practice test

Questions: 4
Test Difficulty:
Average Time Spent: 1 mins 45 secs

Protein synthesis practice test

Questions: 2
Test Difficulty:
Average Time Spent: 52 secs

Regulating protein synthesis practice test

Questions: 2
Test Difficulty:
Average Time Spent: 42 secs

Translation practice test

Questions: 5
Test Difficulty:
Average Time Spent: 2 mins 9 secs

Biochemical signaling practice test

Questions: 2
Test Difficulty:
Average Time Spent: 46 secs

Hormones and neurotransmitters practice test

Questions: 2
Test Difficulty:
Average Time Spent: 31 secs

Other hormone pathways practice test

Questions: 2
Test Difficulty:
Average Time Spent: 35 secs

Peptide hormone pathways practice test

Questions: 3
Test Difficulty:
Average Time Spent: 49 secs

Steroid hormone pathways practice test

Questions: 4
Test Difficulty:
Average Time Spent: 1 mins 32 secs

Synapse biochemistry practice test

Questions: 4
Test Difficulty:
Average Time Spent: 1 mins 36 secs

Signal transduction pathways practice test

Questions: 2
Test Difficulty:
Average Time Spent: 46 secs

G protein pathway practice test

Questions: 2
Test Difficulty:
Average Time Spent: 25 secs

Integrins practice test

Questions: 1
Test Difficulty:
Average Time Spent: 23 secs

Ligand-gated ion channels practice test

Questions: 3
Test Difficulty:
Average Time Spent: 2 mins 43 secs

Second messengers practice test

Questions: 3
Test Difficulty:
Average Time Spent: 1 mins 4 secs

Toll-like receptors practice test

Questions: 3
Test Difficulty:
Average Time Spent: 32 secs

Tyrosine kinase pathway practice test

Questions: 2
Test Difficulty:
Average Time Spent: 1 mins 27 secs

Catabolic pathways and metabolism practice test

Questions: 5
Test Difficulty:
Average Time Spent: 1 mins 17 secs

Carbohydrate metabolism practice test

Questions: 3
Test Difficulty:
Average Time Spent: 37 secs

Alternative pathways practice test

Questions: 2
Test Difficulty:
Average Time Spent: 40 secs

Fermentation and anaerobic respiration practice test

Questions: 1
Test Difficulty:

Ethanol fermentation practice test

Questions: 1
Test Difficulty:

Lactic acid fermentation practice test

Questions: 1
Test Difficulty:
Average Time Spent: 42 secs

Gluconeogenesis practice test

Questions: 2
Test Difficulty:
Average Time Spent: 41 secs

Gluconeogenesis energetics practice test

Questions: 1
Test Difficulty:

Gluconeogenesis enzymes practice test

Questions: 1
Test Difficulty:

Gluconeogenesis regulation practice test

Questions: 1
Test Difficulty:
Average Time Spent: 18 secs

Other gluconeogenesis concepts practice test

Questions: 1
Test Difficulty:

Reactants and products of gluconeogenesis practice test

Questions: 1
Test Difficulty:

Glycogenolysis practice test

Questions: 1
Test Difficulty:
Average Time Spent: 40 secs

Glycogenolysis energetics practice test

Questions: 1
Test Difficulty:

Glycogenolysis enzymes practice test

Questions: 1
Test Difficulty:

Glycogenolysis regulation practice test

Questions: 2
Test Difficulty:

Other glycogenolysis concepts practice test

Questions: 1
Test Difficulty:

Reactants and products of glycogenolysis practice test

Questions: 1
Test Difficulty:

Citric acid cycle practice test

Questions: 3
Test Difficulty:
Average Time Spent: 31 secs

Citric acid cycle carbohydrate intermediates practice test

Questions: 3
Test Difficulty:
Average Time Spent: 26 secs

Citric acid cycle energetics practice test

Questions: 2
Test Difficulty:
Average Time Spent: 44 secs

Citric acid cycle enzymes practice test

Questions: 2
Test Difficulty:
Average Time Spent: 24 secs

Citric acid cycle regulation practice test

Questions: 1
Test Difficulty:

Other citric acid cycle concepts practice test

Questions: 7
Test Difficulty:
Average Time Spent: 1 mins 22 secs

Reactants and products of the citric acid cycle practice test

Questions: 3
Test Difficulty:
Average Time Spent: 26 secs

Electron transport and oxidative phosphorylation practice test

Questions: 2
Test Difficulty:
Average Time Spent: 24 secs

Atp synthase practice test

Questions: 1
Test Difficulty:

Electron transport chain energetics practice test

Questions: 2
Test Difficulty:
Average Time Spent: 35 secs

Electron transport chain proteins and complexes practice test

Questions: 2
Test Difficulty:
Average Time Spent: 25 secs

Nadh and fadh2 practice test

Questions: 1
Test Difficulty:

Other electron transport chain concepts practice test

Questions: 2
Test Difficulty:
Average Time Spent: 1 mins 50 secs

Other oxidatative phosphorylation concepts practice test

Questions: 2
Test Difficulty:
Average Time Spent: 16 secs

Oxidative phosphorylation energetics practice test

Questions: 1
Test Difficulty:

Glycolysis practice test

Questions: 2
Test Difficulty:
Average Time Spent: 39 secs

Glycolysis carbohydrate intermediates practice test

Questions: 1
Test Difficulty:

Glycolysis energetics practice test

Questions: 2
Test Difficulty:
Average Time Spent: 16 secs

Glycolysis enzymes practice test

Questions: 6
Test Difficulty:
Average Time Spent: 1 mins 41 secs

Glycolysis regulation practice test

Questions: 2
Test Difficulty:
Average Time Spent: 1 mins 11 secs

Other glycolysis concepts practice test

Questions: 2
Test Difficulty:
Average Time Spent: 15 secs

Reactants and products of glycolysis practice test

Questions: 2
Test Difficulty:
Average Time Spent: 54 secs

Photosynthesis practice test

Questions: 4
Test Difficulty:
Average Time Spent: 5 hrs 8 mins

Calvin cycle practice test

Questions: 2
Test Difficulty:

Calvin cycle carbohydrate intermediates practice test

Questions: 1
Test Difficulty:

Other calvin cycle concepts practice test

Questions: 1
Test Difficulty:

Light reactions practice test

Questions: 2
Test Difficulty:

Light reaction energetics practice test

Questions: 1
Test Difficulty:

Other light reaction concepts practice test

Questions: 1
Test Difficulty:

Lipid catabolism practice test

Questions: 2
Test Difficulty:
Average Time Spent: 32 secs

Lipid catabolism energetics practice test

Questions: 2
Test Difficulty:

Lipid catabolism enzymes practice test

Questions: 12
Test Difficulty:
Average Time Spent: 2 mins 48 secs

Lipid catabolism intermediates practice test

Questions: 1
Test Difficulty:

Lipid catabolism regulation practice test

Questions: 2
Test Difficulty:

Other lipid catabolism concepts practice test

Questions: 1
Test Difficulty:

Reactants and products of lipid catabolism practice test

Questions: 2
Test Difficulty:
Average Time Spent: 15 secs

Protein catabolism practice test

Questions: 11
Test Difficulty:
Average Time Spent: 4 mins

Other protein catabolism concepts practice test

Questions: 3
Test Difficulty:

Protein catabolism enzymes practice test

Questions: 2
Test Difficulty:
Average Time Spent: 13 secs

Protein catabolism intermediates practice test

Questions: 1
Test Difficulty:

Protein catabolism regulation practice test

Questions: 1
Test Difficulty:

Reactants and products of protein catabolism practice test

Questions: 4
Test Difficulty:
Average Time Spent: 2 mins 41 secs

Enzyme kinetics and inhibition practice test

Questions: 2
Test Difficulty:
Average Time Spent: 2 mins 27 secs

Enzyme kinetics and models practice test

Questions: 3
Test Difficulty:
Average Time Spent: 1 mins 21 secs

Fundamentals of enzyme kinetics practice test

Questions: 2
Test Difficulty:
Average Time Spent: 53 secs

Michaelis-menton equation practice test

Questions: 2
Test Difficulty:
Average Time Spent: 45 secs

Michaelis-menten graphs practice test

Questions: 1
Test Difficulty:
Average Time Spent: 16 secs

Other kinetics principles practice test

Questions: 2
Test Difficulty:
Average Time Spent: 56 secs

Rate-limiting step practice test

Questions: 1
Test Difficulty:
Average Time Spent: 27 secs

Vmax and km practice test

Questions: 2
Test Difficulty:
Average Time Spent: 1 mins 34 secs

Types of inhibition practice test

Questions: 2
Test Difficulty:
Average Time Spent: 45 secs

Competitive inhibition practice test

Questions: 2
Test Difficulty:
Average Time Spent: 48 secs

Identifying type of inhibition practice test

Questions: 2
Test Difficulty:
Average Time Spent: 21 secs

Mixed inhibition practice test

Questions: 1
Test Difficulty:

Noncompetitive inhibition practice test

Questions: 2
Test Difficulty:
Average Time Spent: 59 secs

Uncompetitive inhibition practice test

Questions: 2
Test Difficulty:
Average Time Spent: 45 secs

Fundamental macromolecules and concepts practice test

Questions: 2
Test Difficulty:
Average Time Spent: 32 secs

Homeostasis and the biological environment practice test

Questions: 2
Test Difficulty:
Average Time Spent: 22 secs

Biological energetics practice test

Questions: 2
Test Difficulty:
Average Time Spent: 52 secs

Essential properties of carbon practice test

Questions: 1
Test Difficulty:

Essential properties of water practice test

Questions: 2
Test Difficulty:
Average Time Spent: 27 secs

Negative feedback practice test

Questions: 1
Test Difficulty:

Other homeostatic conditions practice test

Questions: 2
Test Difficulty:
Average Time Spent: 33 secs

Ph regulation practice test

Questions: 2
Test Difficulty:
Average Time Spent: 45 secs

Thermodynamic regulation practice test

Questions: 1
Test Difficulty:

Macromolecule fundamentals practice test

Questions: 13
Test Difficulty:
Average Time Spent: 4 mins

Amino acids and proteins practice test

Questions: 4
Test Difficulty:
Average Time Spent: 1 mins 15 secs

Lipids practice test

Questions: 4
Test Difficulty:
Average Time Spent: 1 mins 23 secs

Monosaccharides and carbohydrates practice test

Questions: 4
Test Difficulty:
Average Time Spent: 1 mins 7 secs

Nucleic acids: dna and rna practice test

Questions: 2
Test Difficulty:
Average Time Spent: 40 secs

Molecular bonds and forces practice test

Questions: 2
Test Difficulty:
Average Time Spent: 4 mins

Covalent bonds practice test

Questions: 1
Test Difficulty:

Hydrogen bonds practice test

Questions: 2
Test Difficulty:
Average Time Spent: 1 mins 3 secs

Hydrophobic interactions practice test

Questions: 1
Test Difficulty:

Other intermolecular forces practice test

Questions: 1
Test Difficulty:

Identifying biochemical molecules practice test

Questions: 4
Test Difficulty:
Average Time Spent: 1 mins 17 secs

Identification by function practice test

Questions: 3
Test Difficulty:
Average Time Spent: 27 secs

Identifying specific carbohydrate functions practice test

Questions: 2
Test Difficulty:
Average Time Spent: 57 secs

Identifying specific lipid functions practice test

Questions: 3
Test Difficulty:
Average Time Spent: 2 mins 47 secs

Identifying specific nucleic acid functions practice test

Questions: 2
Test Difficulty:
Average Time Spent: 45 secs

Identifying specific protein functions practice test

Questions: 3
Test Difficulty:
Average Time Spent: 44 secs

Identification by structure practice test

Questions: 5
Test Difficulty:
Average Time Spent: 36 secs

Identifying specific carbohydrate structures practice test

Questions: 2
Test Difficulty:
Average Time Spent: 1 mins 11 secs

Identifying specific lipid structures practice test

Questions: 2
Test Difficulty:
Average Time Spent: 16 secs

Identifying specific nucleic acid structures practice test

Questions: 5
Test Difficulty:
Average Time Spent: 58 secs

Identifying specific protein structures practice test

Questions: 5
Test Difficulty:
Average Time Spent: 1 mins 29 secs

Identifying monomers and dimers practice test

Questions: 3
Test Difficulty:
Average Time Spent: 51 secs

Identifying amino acids practice test

Questions: 2
Test Difficulty:
Average Time Spent: 43 secs

Identifying disaccharides practice test

Questions: 1
Test Difficulty:

Identifying monosaccharides practice test

Questions: 7
Test Difficulty:
Average Time Spent: 3 mins

Identifying nitrogenous bases and derivatives practice test

Questions: 1
Test Difficulty:

Macromolecule structures and functions practice test

Questions: 2
Test Difficulty:
Average Time Spent: 28 secs

Carbohydrate structures and functions practice test

Questions: 2
Test Difficulty:
Average Time Spent: 28 secs

Aldoses and ketoses practice test

Questions: 1
Test Difficulty:

Epimers, chirality, and the anomeric carbon practice test

Questions: 1
Test Difficulty:
Average Time Spent: 8 secs

Glycosidic linkages practice test

Questions: 2
Test Difficulty:

Structural carbohydrates practice test

Questions: 2
Test Difficulty:
Average Time Spent: 15 secs

Lipid structures and functions practice test

Questions: 2
Test Difficulty:
Average Time Spent: 47 secs

Lipid classifications practice test

Questions: 2
Test Difficulty:
Average Time Spent: 24 secs

Fatty acids practice test

Questions: 2
Test Difficulty:
Average Time Spent: 37 secs

Glycerolipids and triglycerides practice test

Questions: 1
Test Difficulty:
Average Time Spent: 16 secs

Other lipid classifications practice test

Questions: 1
Test Difficulty:

Phospholipids practice test

Questions: 2
Test Difficulty:
Average Time Spent: 24 secs

Sphingolipids practice test

Questions: 2
Test Difficulty:
Average Time Spent: 16 secs

Sterols and steroids practice test

Questions: 1
Test Difficulty:
Average Time Spent: 20 secs

Nucleic acid structures and functions practice test

Questions: 5
Test Difficulty:
Average Time Spent: 1 mins 33 secs

Nucleic acid degradation practice test

Questions: 1
Test Difficulty:

Dnases practice test

Questions: 1
Test Difficulty:

Regulating nucleic acid degradation practice test

Questions: 1
Test Difficulty:

Nucleic acid structures practice test

Questions: 4
Test Difficulty:
Average Time Spent: 59 secs

Dna and rna practice test

Questions: 2
Test Difficulty:
Average Time Spent: 20 secs

Modifications and epigenetics practice test

Questions: 1
Test Difficulty:

Nitrogenous bases practice test

Questions: 2
Test Difficulty:
Average Time Spent: 49 secs

Nucleic acid derivatives practice test

Questions: 1
Test Difficulty:
Average Time Spent: 28 secs

Sugar-phosphate groups and phosphodiester bonds practice test

Questions: 2
Test Difficulty:
Average Time Spent: 41 secs

Protein structure and functions practice test

Questions: 4
Test Difficulty:
Average Time Spent: 1 mins 35 secs

Protein degradation practice test

Questions: 1
Test Difficulty:

Protein hydrolysis practice test

Questions: 1
Test Difficulty:

Regulating protein degradation practice test

Questions: 1
Test Difficulty:

Ubiquitination pathway practice test

Questions: 1
Test Difficulty:

Protein folding practice test

Questions: 4
Test Difficulty:
Average Time Spent: 35 secs

Primary structure practice test

Questions: 2
Test Difficulty:
Average Time Spent: 17 secs

Quaternary structure practice test

Questions: 2
Test Difficulty:
Average Time Spent: 13 secs

Regulation and chaperonins practice test

Questions: 1
Test Difficulty:

Secondary structure practice test

Questions: 2
Test Difficulty:
Average Time Spent: 25 secs

Tertiary structure practice test

Questions: 2
Test Difficulty:
Average Time Spent: 31 secs

Protein functions practice test

Questions: 3
Test Difficulty:
Average Time Spent: 1 mins 47 secs

Hydrolases practice test

Questions: 1
Test Difficulty:

Isomerases practice test

Questions: 1
Test Difficulty:

Ligases practice test

Questions: 1
Test Difficulty:

Other protein functions practice test

Questions: 2
Test Difficulty:
Average Time Spent: 31 secs

Structural proteins practice test

Questions: 1
Test Difficulty:

Transferases and kinases practice test

Questions: 2
Test Difficulty:
Average Time Spent: 33 secs

Transport proteins practice test

Questions: 1
Test Difficulty:

Protein structure practice test

Questions: 2
Test Difficulty:
Average Time Spent: 16 secs

Active site practice test

Questions: 1
Test Difficulty:

Globular and fibrous proteins practice test

Questions: 2
Test Difficulty:
Average Time Spent: 1 mins 1 secs

Peptide bonds practice test

Questions: 2
Test Difficulty:
Average Time Spent: 13 secs
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