Molecular Biology Quizzes, Questions & Answers

Molecular Biology covers the various aspects of human cellular biology at the molecular level. Read more

Molecular Biology Quizzes By Grade

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Biological Biomolecules Quizzes

Biology Exam I: A Quiz on Cells and the Important Macromolecules

Hello, and welcome to Biology Exam I, where we will be taking a close look at one of the most important topics within the scientific study; cells! How much can you tell us about ce...

Questions: 62 | Attempts: 6457 | Last updated: Sep 02, 2025

Sample Question
Biology is the study of...

Research

Living things

Ecology and evolution

None of the above

A.P. Biology Chapter 5 (Macromolecules)

In this quiz which focuses on the scientific topic of biology, we’ll be taking a specific look at macromolecules – which are very large molecules commonly created by th...

Questions: 84 | Attempts: 6307 | Last updated: Sep 07, 2025

Sample Question
What is a monomer?

A single unit of macromolecules

Multiple units of macromolecules

A type of protein

An organic compound

Biological Macromolecules Trivia Quiz!

Explore the essentials of biological macromolecules and their roles in cellular processes through this engaging trivia quiz. Test your understanding of ATP production, cellular res...

Questions: 17 | Attempts: 3035 | Last updated: Oct 08, 2025

Sample Question
The point of cellular respiration is to...

Transfer chemical energy from food molecules to ATP

Build chemical energy (such as glucose) from sunlight

Help cells exchange gases with their surroundings

Boggle the mind!

All Biological Biomolecules Quizzes

Carbohydrates Quizzes

Food Science Carbohydrates Practice Test

This practice test explores the science of carbohydrates, focusing on key concepts like digestion, molecular structure, and processes like crystallization and photosynthesis. It as...

Questions: 31 | Attempts: 699 | Last updated: Mar 21, 2025

Sample Question
Due to the linear arrangement of its molecules, fiber cannot be digested by humans.

True

False

completion of the Carbohydrates lesson.

This quiz titled 'Completion of the Carbohydrates Lesson' tests understanding of carbohydrate roles in diet, distinguishing between simple and complex carbohydrates, and identifyin...

Questions: 9 | Attempts: 412 | Last updated: Mar 20, 2025

Sample Question
True or False: Our body needs very little carbohydrate to stay healthy and happy.

True

False

What Type of Food Do You Eat?

This quiz tests your knowledge about the different food group.

Questions: 15 | Attempts: 266 | Last updated: Mar 22, 2025

Sample Question
What is the nickname of the leprechaun mascot for Lucky Charms cereal?

Tricky

Lucky

Speedy

Goofy

All Carbohydrates Quizzes

Biochemical Lipids Quizzes

Lipids and Lipoproteins Quiz

The Lipids and Lipoproteins Quiz is a thorough assessment of your understanding of essential biomolecules important for human health. This quiz covers key aspects of lipids and lip...

Questions: 14 | Attempts: 7782 | Last updated: Jun 04, 2025

Sample Question
Which is the largest and smallest of the lipoprotein family?

VLDL and Lp(a)

Chylomicrons and HDL

VLDL and HDL

VLDL and Lp(a)

Cholesterol and Lipoproteins - Block 3

This quiz, titled 'Cholesterol and Lipoproteins - Block 3', assesses knowledge on the esterification, transport, and biosynthesis of cholesterol. It covers key processes like the r...

Questions: 52 | Attempts: 2155 | Last updated: Mar 22, 2025

Sample Question
In ___________ cells dietary cholesterol is esterified and packaged into _____________ for transport to the ______________.

Hepatic, HDL, intestine

Mucosal, chylomicrons, intestine

Mucosal, chylomicrons, liver

Mucosal, HDL, Intestine

Life cycle of a Butterfly

There are many kinds of insects in our world. Some of the most beautiful and interesting insects are the butterflies. How much do you know about them and their journey from caterpi...

Questions: 10 | Attempts: 1354 | Last updated: Mar 19, 2025

Sample Question
Butterflies have three main body parts. Choose the correct three body parts.

Antennae, head, abdomen

Legs, antennae, thorax

Head, thorax, abdomen

Wings, head, thorax

All Biochemical Lipids Quizzes

Bio Proteins Quizzes

Proteins and Non-protein NItrogen Compoounds Final Examination 2019

You have 1 hr to take this examination. No cheating, you know the drill. God bless!

Questions: 74 | Attempts: 664 | Last updated: Oct 19, 2025

Sample Question
The acute phase reactant proteins include all of the following, except:

Transferrin

Alpha 1 atitrypsin

Haptoglobin

Fibrinogen

Protein Synthesis biological process quiz questions

Protein synthesis is a fundamental biological process by which individual cells build their specific proteins. This can be done by two means – transcription and translation. ...

Questions: 26 | Attempts: 224 | Last updated: Apr 14, 2025

Sample Question
What makes up RNA?

Amino acids

Nucleic acids

Nucleic bases

All Bio Proteins Quizzes

Bio Enzymes Quizzes

Enzymes Online Quiz

The 'Enzymes Online Quiz' assesses understanding of enzyme functions, types, and inhibition. It tests knowledge on enzyme-substrate interactions, identifies specific enzymes, and e...

Questions: 30 | Attempts: 14014 | Last updated: Mar 20, 2025

Sample Question
Which of the following is NOT true about enzymes?

Enzymes are proteins

Enzymes lower the activation energy

Enzymes react with the substrate in a chemical reaction.

Enzymes catalyzes chemical reactions

Nelson Biology 12 Section 1.4: Enzymes Quiz

This quiz is based on the content within the Nelson Biology 12 textbook. Enzymes are both proteins and biological catalysts produced by living organisms, and these catalysts accele...

Questions: 55 | Attempts: 13464 | Last updated: Mar 22, 2025

Sample Question
Enzymes are protein catalysts. True or false?

True

False

GCSE: Trivia Quiz on Enzymes! Test

What do you know about enzymes? Do you think you will pass this quiz? Enzymes are complex proteins that cause a specific chemical change in the body. They are produced by living or...

Questions: 19 | Attempts: 12024 | Last updated: Mar 21, 2025

Sample Question
All enzymes are types of this compound.

Carbohydrate

Protein

Lipid

All Bio Enzymes Quizzes

Bio Nucleic Acids Quizzes

Basics of Nucleic Acids Part - I

Nucleic acids are biological molecules essential for life, and include DNA (deoxyribonucleic acid) and RNA (ribonucleic acid). To get basic information booklet on BASICS O...

Questions: 20 | Attempts: 1057 | Last updated: Mar 21, 2025

Sample Question
The best role of Purine and pyrimidine nucleotides is to serve as the monomeric precursors of....

RNA

DNA

Both of the above

None of the above

Revolutionizing DNA Computation: DNA Computing Quiz

Welcome to our DNA Computing Quiz! Explore the cutting-edge field of DNA computing, where biological molecules are used for computational tasks. This quiz will test your knowledge ...

Questions: 15 | Attempts: 32 | Last updated: Feb 22, 2025

Sample Question
What is DNA computing primarily based on?

Nucleotide sequence

Chemical reactions

Electrical circuits

Binary code

All Bio Nucleic Acids Quizzes

Biochemical Vitamins Quizzes

Fat Soluble Vitamin Quiz Question And Answers

Welcome to our "Fat Soluble Vitamin Quiz." In the world of medicine and nutrition, fat-soluble vitamins like A, D, E, and K play a crucial role in maintaining health. Thi...

Questions: 15 | Attempts: 21777 | Last updated: Sep 22, 2025

Sample Question
(Beta-carotene): Spinach & other dark, leafy greens; broccoli; deep orange fruits & vegetables are good sources for what vitamin?

Vitamin E

Vitamin A

Vitamin C

Vitamin D

A Quiz about Macro Nutrients!

Explore the essential macro nutrients that power our body in this engaging quiz. Learn about proteins, carbs, and fats, their roles and importance, and how they contribute to our h...

Questions: 17 | Attempts: 11075 | Last updated: Mar 22, 2025

Sample Question
This nutrient is considered a building block of the body.

Carb

Protein

Fat

Sports Nutrition Quiz

This is a quiz on sports nutrition. Take this quiz and learn more about it!

Questions: 430 | Attempts: 1873 | Last updated: Mar 20, 2025

Sample Question
Until what time period were problems related to food quality limited and localized?

Mid 1700s

Mid 1900s

Mid 160s

Mid 1800s

All Biochemical Vitamins Quizzes

Bio Metabolism Quizzes

Cellular Respiration - Krebs Cycle Quiz

Welcome to the "Cellular Respiration - Krebs Cycle Quiz"! This quiz is designed to assess your understanding of one of the central metabolic pathways in cellular respirat...

Questions: 25 | Attempts: 10758 | Last updated: Oct 23, 2025

Sample Question
What molecule is formed after isocitrate looses a carbon atom to Carbon Dioxide?

Succinate

Guanosine Triphosphate

Alpha-ketoglutarate

Pyruvate

AP biology chapter 9 practice test

If you are preparing for the upcoming AP Biology exam, here we have an AP biology practice test for you. It mainly consists of chapter 9 questions and answers. This quiz tests your...

Questions: 109 | Attempts: 9212 | Last updated: Oct 22, 2025

Sample Question
What is the term for metabolic pathways that release stored energy by breaking down complex molecules?

Anabolic pathways

Catabolic pathways

Fermentation pathways

Thermodynamic pathways

AP Biology Chapter 8- Introduction to Metabolism Test

Many processes occur within a living organism, and some we can only understand in AP Biology. The test below is based on chapter 8- Introduction to Metabolism. Give it a try and se...

Questions: 21 | Attempts: 8059 | Last updated: Feb 01, 2025

Sample Question
What is metabolism?

All of the chemical reactions in an organism

Polymer to monomer reactions that release ATP and break down

Monomer to polymer reactions that require ATP and build up

None of the above

All Bio Metabolism Quizzes

Cellular Respiration Quizzes

Aerobic Respiration Trivia Quiz

This quiz contains questions relating to cellular respiration. It specifically focuses on aerobic respiration and the biological mechanisms that go into producing energy that...

Questions: 14 | Attempts: 3041 | Last updated: May 22, 2025

Sample Question
In order to produce a molecule of Adenosine Triphosphate, oxygen must be present.

True

False

cellular respiration: in depth!

Fun stuff with fun people that's really lame. i hate cellular respiration but this quiz will be so in depth it'll make your head spin.

Questions: 19 | Attempts: 2016 | Last updated: Mar 20, 2025

Sample Question
Cells harvest energy in organic compounds to make ATP through a process called ______?

Anarobic breathing

Cellular respiration

Compound death

Glycolysis

process of cellular respiration work quiz

Take this biological quiz on cellular respiration and learn about it, Please do your best.

Questions: 8 | Attempts: 1924 | Last updated: Mar 21, 2025

Sample Question
Which of the following statements is false.

Glycolysis can occur with or without oxygen

Glycolysis occurs in the mitochondria

Glycolysis is the first step in both aerobic and anaerobic respiration

Glycolysis produces 2 ATP and 2 pyruvate

All Cellular Respiration Quizzes

Nitrogen Metabolism Quizzes

What is happening in the nitrogen cycle?

What is a Nitrogen cycle? What does it entail? How much do you know about the cycle? Well it is a whole process and the quiz below probes on what happens in it. If you love Chemist...

Questions: 5 | Attempts: 261 | Last updated: Oct 16, 2025

Sample Question
Nitrogen is a key element in organisms and also makes up about 80% of the earth's atmosphere.

True

False

All Nitrogen Metabolism Quizzes

Bio Hormones Quizzes

Endocrine system quiz: How much do you know about Endocrine system?

How much do you know about the Endocrine System? The endocrine system includes the glands that are responsible for the production of hormones. If it is not healthy, one would have ...

Questions: 10 | Attempts: 63137 | Last updated: Aug 22, 2025

Sample Question
A group of cells that gives off or secretes chemicals.

Artery

Vein

Gland

Endocrine Disorders Quiz Questions

Can you answer these endocrine disorders quiz questions? Take this health care quiz and test your knowledge on the endocrine disorder and the hormones that affect your body on a da...

Questions: 20 | Attempts: 13515 | Last updated: Sep 15, 2025

Sample Question
This results from an iodine-deficient diet, which causes hyperplasia or overgrowth of the thyroid gland.....

Goiter

Cretinism

Tetany

None of these

Endocrine System Questions: Test! Quiz

Think you know everything there is to know about the endocrine system? This quiz can help you prove your knowledge. For this quiz, you should know the endocrine system's charac...

Questions: 55 | Attempts: 9458 | Last updated: Sep 17, 2025

Sample Question
The endocrine system does not include which component?

Cell tissue

Hormone secreting organs

Ductless glands

Blood

All Bio Hormones Quizzes

Top Trending Molecular Biology Quizzes

DNA Replication Quiz Questions And Answers

Welcome to our DNA Replication Quiz, where you'll embark on an enlightening journey into the intricate world of molecular biology. DNA replication is a fundamental process in genetics, essential for cell division and the...

Questions: 16 | Attempts: 50063 | Last updated: Oct 16, 2025

Sample Question
Which of the following enzymes is NOT directly involved in DNA replication?

DNA polymerase

Helicase

Ligase

Amylase

Transcription And Translation Quiz With Answers

Here is an exciting Transcription and Translation quiz that is designed to predict how well you comprehend the transcription and translation of DNA in Eukaryotes and Prokaryotes. Translation and transcription are two common...

Questions: 10 | Attempts: 79940 | Last updated: Sep 12, 2025

Sample Question
A cell builds its proteins from the Instructions encoded in its _________.

Cytoplasm

Amino acid

Lysosome

Genome

DNA And RNA Structure Test Quiz!

Do you know about RNA and DNA with their structures? Check out this amazing quiz and test your knowledge for the same. DNA and RNA are the essential molecules in cell biology. They help with keeping and reading genetic...

Questions: 15 | Attempts: 12502 | Last updated: Jul 8, 2025

Sample Question
Where is DNA found?

In the nucleus

In the Cytoplasm

In human body

In mitochondria

DNA Replication And Protein Synthesis! Quiz

What do you know about DNA replication? DNA replication is the biological course of action of creating two identical replicas of DNA from one original DNA model. DNA replication occurs in all living organisms that are an...

Questions: 27 | Attempts: 2209 | Last updated: Jan 10, 2025

Sample Question
DNA located in the nucleus of a cell provides the genetic information required to build proteins in a cell. However, proteins are made outside the nucleus. Which statement best explains how the genetic instructions for protein synthesis are delivered outside the nucleus?

Amino acids carry the genetic information through the Golgi apparatus.

The nucleus divides and one-half the genetic information is used to build proteins.

The endoplasmic reticulum migrates into the nucleus and attaches to the DNA.

The genetic information is transferred out of the nucleus by RNA.

Molecular Biology Quiz: DNA Transcription, Translation, Replication

Test your knowledge with this molecular biology quiz. Molecular Biology is known as the field of biology that studies the composition, structure as well as interactions of cellular molecules. Transcription is the first step of...

Questions: 10 | Attempts: 19036 | Last updated: Jan 21, 2025

Sample Question
DNA and RNA are different because:

DNA is only found in the nucleus, while RNA can travel anywhere in the cell.

DNA is double-stranded, while RNA is triple-stranded.

DNA uses Uracil while RNA uses Thymine.

DNA is made of four bases, while RNA is made of five bases.

None of the above

Popular Molecular Biology Quizzes

Molecular Monitoring: Real-Time PCR Quiz

Here is a very amazing quiz that we have made for you about Real-Time PCR. This quiz is here to test how well you are aware of Real-time PCR. Do you know well enough to score well on this quiz? If yes, then beat this quiz with an...

Questions: 10 | Attempts: 16211 | Last updated: Jul 22, 2025

Sample Question
In 1993, _________ received the Nobel Prize in Chemistry for inventing PCR?

David Baltimore

Kary Mullis

Robert Weinberg

John Nash

Test Your Molecular Biology Knowledge With This Quiz

Do you know everything about molecular biology? Take this molecular biology quiz, and test your knowledge. A student who undertakes molecular biology in school should properly understand protein functions in molecular...

Questions: 10 | Attempts: 10323 | Last updated: Jun 10, 2025

Sample Question
Complex molecules (macromolecules) are made by joining smaller molecules together using dehydration synthesis.

True

False

Recent Molecular Biology Quizzes