Biology Quizzes, Questions & Answers

All Grades

Cell Biology Quizzes

Cell Theory (12) Prokaryotic Cells (6) Eukaryotic Cells (5) Cell Organelles (11) Cell Membrane (25) Cell Wall (5) Cytoplasm (7) Nucleus (5) Mitochondria (5) Chloroplasts (5) Ribosomes (5) Endoplasmic Reticulum (5) Golgi Apparatus (5) Lysosomes (5) Cytoskeleton (5) Cell Division (32) Cell Cycle (18) Transport Mechanisms (28) Cell Communication (5)

Discover Cell Functions: Take the Cell Organelles Quiz Now!

Test your knowledge with this engaging Cell Organelles Quiz! Each organelle plays a crucial role in cell function, from producing energy and synthesizing proteins to recycling wast...

Questions: 20 | Attempts: 186962 | Last updated: Sep 12, 2025

Sample Question
What is the function of a cell wall?

Structure and protection

Organizes DNA

Digests, recycles materials

Communication junction between adjoining cells

Cell Biology Test: Animal and Plant Cell Quiz

Embark on an educational adventure with our "Animal and Plant Cell Quiz"! Explore the fascinating microscopic worlds of cells, where the building blocks of life come to l...

Questions: 15 | Attempts: 139022 | Last updated: Apr 15, 2025

Sample Question
What controls most of the cell processes and contains the genetic information of DNA?

Mitochondria

Chloroplast

Nucleus

Nucleolus

The Ultimate Biology Test: Cell Biology Quiz

Are you ready to test your knowledge of the microscopic world? This cell biology quiz will challenge you on the fundamental building blocks of life, from organelles and their funct...

Questions: 40 | Attempts: 121218 | Last updated: Apr 10, 2025

Sample Question
What do all cells contain?

Endoplasmic reticulum

Plasma membrane

Nucleus

Mitochondria

Genetics Quizzes

DNA Structure (5) RNA Structure (5) Gene Expression (8) Biological Genetic Code (5) DNA Replication (5) Transcription (5) Translation (5) Mutation (4) Mendelian Inheritance (5) Non Mendelian Inheritance (5) Genetic Disorders (7) Genetic Mapping (5) Genetic Engineering (5) Genomics (5) Epigenetics (5)

Genetic Engineering Quiz: Are You a DNA Expert?

Are you ready to test your knowledge and understanding of the fascinating field of genetic engineering? Whether you're a biology enthusiast or just curious about the wonders of...

Questions: 10 | Attempts: 4570 | Last updated: Nov 21, 2025

Sample Question
Look at the image below. In genetic engineering, what occurs during step 3?

A new type of molecular base is formed

Different types of minerals are joined together

DNA from the bacterial cell is cloned

DNA from different organisms is joined together

Food Types Quiz: How Well Do You Know Nutrition?

Take this simple quiz of multiple choice and true and false questions to learn more about gmos and what's in the food you're eating every day!

Questions: 15 | Attempts: 2000 | Last updated: Nov 12, 2025

Sample Question
What kind of pasta looks like a little pillow?

Spaghetti

Penne

Ravioli

Macaroni

Genetics Quiz: Probability Of Inheritance Practice

Let's start this quiz it will give you the different kind of questions on probability. Find out now how much do you know about it!

Questions: 16 | Attempts: 956 | Last updated: Nov 12, 2025

Sample Question
What is the probability that a month picked at random starts with the letter J?

1/3

1/4

1/6

3/12

Evolution Quizzes

Origin Of Life (9) Theories Of Evolution (5) Natural Selection (6) Variation (5) Adaptation (5) Speciation (5) Fossil Record (5) Comparative Anatomy (12) Molecular Evidence (8) Human Evolution (5) Coevolution (5) Extinction (5)

What Type Of Monkey Are You? Quiz

Ever wondered what type of monkey you are? Check out this amazing quiz and you can find out the answer today. Most people are still in denial that man did evolve from a monkey to w...

Questions: 10 | Attempts: 11673 | Last updated: Mar 21, 2025

Sample Question
What fruit do you like the most?

Banana

Apple

Lemons

I don't like fruits.

Quiz Theory of Evolution

Charles Robert Darwin was a naturalist and biologist known for his theory of evolution and the process of natural selection. This theory states that all species of organisms arise ...

Questions: 9 | Attempts: 11570 | Last updated: Mar 22, 2025

Sample Question
According to Darwin's theory of natural selection, individuals who survive are the ones best adapted for their enviroment.Their survival is due to the?

Possession of inherited adaptations that maximize fitness

Competing with other species

Adaptation to their habitat

Dawin's theory of natural selection

Soal Interaktif Teori Evolusi

Explore the fundamentals of evolutionary theory with questions about species formation, Darwin's principles, and historical theories of life's continuity.

Questions: 30 | Attempts: 4847 | Last updated: Mar 22, 2025

Sample Question
Bentuk proses evolusi yang menghasilkan spesies baru disebut .........

Evolusi regresif

Evolusi progresif

Evolusi organik

Evolusi anorganik

Ecology Quizzes

Ecosystem (36) Biomes (25) Population Ecology (12) Community Ecology (5) Food Chains (16) Food Webs (5) Ecological Energy Flow (5) Nutrient Cycles (13) Biodiversity (28) Ecological Conservation (46) Habitat (5) Succession (5) Ecological Adaptation (11) Human Impact (5) Ecological Climate Change (5)

Pesticide Applicator Practice Test: IPM and Safety Questions

The Pesticide Applicator Practice Test is designed to help learners and professionals prepare for their pesticide certification exams. It covers fundamental concepts of pest contro...

Questions: 70 | Attempts: 540583 | Last updated: Oct 27, 2025

Sample Question
Using barriers to prevent pests from getting into an area is an example of which type of pest management method?

Biological control

Physical or mechanical control

Chemical control

Cultural control

5th Grade Science Quiz: Fun, Facts & Brainy Challenges

Get ready to challenge your knowledge with this exciting 5th grade science quiz! Perfectly tailored for curious young minds, this quiz covers key science topics like ecosystems, en...

Questions: 10 | Attempts: 218846 | Last updated: Jun 22, 2025

Sample Question
What is the source of energy for producers?

The Earth

The wind

The Sun

Water

Ecology Quiz: Test Your Ecology Knowledge

Think you know the ins and outs of ecosystems? This "Ecology Quiz" dives into the fascinating world of ecology to challenge your understanding of how living organisms int...

Questions: 20 | Attempts: 80068 | Last updated: Jul 08, 2025

Sample Question
In the following food chain, which organism is the secondary consumer? grass ------> rabbit -------> snake ------> hawk

Grass

Rabbit

Snake

Hawk

Human Anatomy and Physiology Quizzes

Skeletal System (116) Muscular System (69) Nervous System (124) Endocrine System (78) Circulatory System (90) Respiratory System (44) Digestive System (47) Excretory System (10) Reproductive System (120) Immune System (11) Integumentary System (21) Sensory Organs (56)

Tissue Identification Quiz: Can You Spot Each Type?

This tissue identification quiz is all about facts. Whether you are just getting started or brushing up on your biology, this "Tissue Quiz" will test your knowl...

Questions: 20 | Attempts: 226267 | Last updated: Nov 12, 2025

Sample Question
Identify the following:

Stratified squamous

Simple cuboidal

Simple columnar

Adipose

Anatomical Terminology Quiz: Test Your Medical Knowledge

Are you ready to dive into the world of anatomical terminology? Put your knowledge to the test with our comprehensive Anatomical Position Quiz. This quiz is carefully crafted to ev...

Questions: 19 | Attempts: 143501 | Last updated: Nov 12, 2025

Sample Question
Which answer describes the "Anatomical Position"?

Standing erect, facing the observer, arms at the side, and palms facing to your side

Standing erect, facing the observer, arms at the side, and palms facing forward

Standing erect, facing the observer, arms at the side, and palms facing back

Standing erect, facing the observer, arms at the side, and palms facing outward

Respiratory System Quiz: How Much Do You Remember?

Embark on a journey to explore the intricacies of the human respiratory system with our engaging Respiratory System Quiz. As one of the body's fundamental systems, the respirat...

Questions: 11 | Attempts: 132672 | Last updated: Nov 12, 2025

Sample Question
Which of these is the job of the respiratory system?

Holding up the body and giving it support and shape.

Gas exchange between the external environment and the body's circulatory system.

Breaking down food for it to be used by the body.

Generating energy for the continuance of the bodily functions

Botany Plant Biology Quizzes

Plant Anatomy (38) Plant Morphology (5) Plant Physiology (68) Photosynthesis (53) Plant Reproduction (22) Plant Growth (5) Plant Hormones (5) Plant Taxonomy (43) Plant Ecology (19) Plant Pathology (6) Economic Botany (5) Seed Biology (5) Plant Genetics (6) Plant Adaptations (5)

Science quiz questions and answers for class 10

Are you excited to try these Science quiz questions and answers for class 10? As a tenth grader, you are expected to answer the following questions correctly and revise the on...

Questions: 12 | Attempts: 210569 | Last updated: Jan 15, 2025

Sample Question
Which gas is needed for photosynthesis?

Oxygen

Carbon dioxide

Hydrogen

Carbon monoxide

Science Quiz for Grade 1st

Looking for a fun and engaging way to introduce your little one to the wonders of science? A science quiz for class 1 is the perfect tool! From animals and plants to the weath...

Questions: 20 | Attempts: 42864 | Last updated: May 15, 2026

Sample Question
Which of these is a vegetable?

Cabbage

Watermelon

Apple

Leaf

Science quiz for grade 3 plants

Below is a "Science quiz for grade 3 plants" made of ultimate questions about plants! Plants and animals form the living things on planet earth, and there are a lot of be...

Questions: 10 | Attempts: 38320 | Last updated: Oct 11, 2025

Sample Question
What are three (3) parts of a plant?

Stem

Flower

Rose

Leaf

Zoology Animal Biology Quizzes

Classification (38) Porifera (6) Cnidaria (6) Platyhelminthes (5) Nematoda (6) Annelida (7) Arthropoda (12) Mollusca (5) Echinodermata (6) Chordata (5) Fish (76) Amphibians (10) Reptiles (14) Birds (5) Mammals (106) Anatomy (17) Physiology (25) Reproduction (26) Development (6) Behavior (63)

What do you know about Rare and Exquisite animals?

Numerous species of animals are being discovered and some which are hardly known to public but with some rarely distinctive and excellent features. How much do you know about rare ...

Questions: 10 | Attempts: 11204481 | Last updated: Jan 06, 2025

Sample Question
What are the rare animals?

Common animal species

Species with longer life span

Species Infrequently encountered

Reserved species

Can You Identify These Following Extinct Animals? Quiz

Here is an Extinct Animals Quiz. Our planet, Earth is very old. It is billions of years old. That means that there have been millions of animal species that no longer exist. Some b...

Questions: 10 | Attempts: 683360 | Last updated: Sep 15, 2025

Sample Question
What is the name of the species of elk from the picture?

British elk

Irish elk

Icelandic elk

Nordic elk

Take The Fun Trivia Animal World Quiz!

Ready to take the animal world quiz? We’re not alone on this planet, and if we were, quite frankly, it would be pretty boring. There is a huge number of species of livin...

Questions: 20 | Attempts: 123243 | Last updated: Mar 22, 2025

Sample Question
Which of the following baby animals uses its hard beak to scrape algae off of rocks?

Beaver

Tadpole

Crane

Duck

Microbiology Quizzes

Microbial Structure (5) Bacteriology (33) Virology (34) Mycology (16) Parasitology (59) Microbial Genetics (5) Microbial Physiology (5) Microbial Ecology (11) Pathogenic Microbiology (18) Microbial Biotechnology (5) Food Microbiology (5) Industrial Microbiology (5) Environmental Microbiology (10)

Coronavirus Facts Quiz: Test Your Pandemic Knowledge

Coronavirus (COVID-19) is a group of related viruses that have created havoc among humans in the entire world, which causes mild respiratory tract infections. Common signs of infec...

Questions: 10 | Attempts: 91258 | Last updated: Mar 22, 2025

Sample Question
The Coronavirus has originated from which country?

Japan

Wuhan, China

India

United States

Sterilization MCQ Quiz With Answers

How much do you know about Sterilization? Think you can pass this quiz? This sterilization multiple choice quiz has been designed while keeping in mind the needs of the person taki...

Questions: 54 | Attempts: 35038 | Last updated: Jul 24, 2025

Sample Question
The absence of all forms of microbial life, including spores, is known as:

Sanitization

Disinfection

Decontamination

Sterility

Microbiology Knowledge MCQ Quiz!

Microbiology is seen as the scientific study of microscopic organisms that are around our environment. Contrary to what most people think, microbes are most beneficial in our lives...

Questions: 14 | Attempts: 20977 | Last updated: Mar 22, 2025

Sample Question
All of the following organisms cause Nosocomial infections except:

Acinetobacter

E. aerogenes

Klebsiella pneumoniae

Pseudomonas

Biotechnology Quizzes

Bio Genetic Engineering (5) Recombinant DNA (5) Cloning (5) PCR (5) Gel Electrophoresis (5) DNA Sequencing (5) Gene Therapy (5) Crispr (5) Stem Cells (5) Bioreactors (5) Fermentation (5) Bioinformatics (6) Gmos (5) Proteomics (5) Metabolomics (5)

Agriculture farming ranching quiz questions and answers

Here is the best Agriculture farming ranching quiz for you. Agriculture is a very big part of human life. Since we have come into this world and we have started farming, there have...

Questions: 80 | Attempts: 19688 | Last updated: May 05, 2025

Sample Question
On average, how many glasses of milk does a cow produce each day?

25

50

90

100

Quiz About Agriculture Farming

Do you love studying agriculture? Here we have a quiz about agriculture farming for you. Crop planting has been done on earth for centuries. There have been new ways to plant more ...

Questions: 10 | Attempts: 13702 | Last updated: Jan 21, 2025

Sample Question
Which of the following is NOT a common method of irrigation used in agriculture?

Drip irrigation

Sprinkler irrigation

Sublimation irrigation

Furrow irrigation

Biotechnology and its Applications

Biotechnology is the application of technology to alter the different biological concepts and ideas. How much do you know of biotechnology? How about its application to the modern ...

Questions: 15 | Attempts: 9259 | Last updated: Jun 07, 2025

Sample Question
Transgenic plants are plants having:

No gene

Genes in transposition

Genes with no function to perform

Genes of another organism

Molecular Biology Quizzes

Biological Biomolecules (8) Carbohydrates (6) Biochemical Lipids (9) Bio Proteins (5) Bio Enzymes (21) Bio Nucleic Acids (5) Biochemical Vitamins (5) Bio Minerals (6) Bio Metabolism (60) Cellular Respiration (22) Nitrogen Metabolism (5) Bio Hormones (32) Signal Transduction (5)

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. T...

Questions: 10 | Attempts: 83083 | Last updated: Sep 12, 2025

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

Cytoplasm

Amino acid

Lysosome

Genome

DNA Replication Quiz Questions and Answers

Challenge yourself with questions about the structure of DNA, the roles of DNA polymerase and helicase with this DNA Replication Quiz, and the significance of replication forks. De...

Questions: 16 | Attempts: 54794 | Last updated: Dec 05, 2025

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

DNA polymerase

Helicase

Ligase

Amylase

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...

Questions: 10 | Attempts: 19727 | 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.

Immunology Quizzes

Innate Immunity (5) Adaptive Immunity (5) Antigens (6) Antibodies (4) Lymphatic System (6) B Cells (5) T Cells (5) Immune Response (3) Cytokines (5) Vaccination (5) Immunodeficiency (5) Hypersensitivity (5) Autoimmunity (5) Transplant Immunology (5) Tumor Immunology (5)

Immunology Multiple Choice Questions

The immune system is our shield against diseases and various infectious organisms that try to invade our body. It's a host defense system which is built of many biological stru...

Questions: 48 | Attempts: 38698 | Last updated: Feb 22, 2025

Sample Question
First Line of Defense:

Immune Response.

Skin and Mucous membranes.

Inflammatory response.

Inflammatory response and skin and mucous membranes.

Inflammation Quiz: MCQ Test! Trivia

Do you have a solid understanding of inflammation and its role in the immune response? If so, it's time to put your knowledge to the test with our Inflammation MCQ Quiz! Inflam...

Questions: 14 | Attempts: 32687 | Last updated: Sep 19, 2025

Sample Question
After a mini-exam, you and a couple of friends spend the weekend on the beach in St. Martin. At the end of the day, one of your friends complains of sunburn. His back is very red, warm, and painful to touch. What is the most likely cause of this erythema?

Ischemia

Edema of the dermis

Vasodilation of blood vessels in dermis

Infiltration of neutrophils

A Human Body Immune System Quiz!

The human body immune system is very intriguing as it protects the body from harmful bacteria. One thing that helps keep the system healthy is maintaining a healthy diet. How well ...

Questions: 20 | Attempts: 26299 | Last updated: Jan 09, 2025

Sample Question
Multiple Choice. What's the job of the immune system?

To help you breathe

To help move blood through out your body

To fight diseases

Developmental Biology Quizzes

Gametogenesis (5) Fertilization (9) Cleavage (6) Gastrulation (5) Organogenesis (5) Metamorphosis (6) Regeneration (5) Growth (4) Aging (5)

Puberty Test: What Stage of Puberty Am I In? (Male Only Quiz)

Puberty is a vital phase in life that brings significant changes to your body, emotions, and thoughts. The What Stage of Puberty Am I In? quiz is crafted to help you understand whe...

Questions: 15 | Attempts: 365685 | Last updated: Nov 12, 2025

Sample Question
What is your shoe size in US measurements?

8 or smaller

9-10

11-12

13

When Will I Get My First Period? Quiz

Welcome to the When Will I Get My First Period Test, a carefully designed tool to help you understand more about your body as you approach this important milestone in your life. Na...

Questions: 15 | Attempts: 55722 | Last updated: Apr 21, 2025

Sample Question
How old are you?

7

8

9

10

Are You Hitting Puberty? Quiz

When puberty starts hitting you, it can either jump you up to a ten or take you lower. Take this quiz and find out if you are hitting puberty. Puberty is that stage of life where o...

Questions: 10 | Attempts: 41171 | Last updated: Aug 22, 2025

Sample Question
Do you like soy milk?

Yes

No, not really

Only with snacks

I don't have much choice

Top Trending Biology Quizzes

Human Anatomy & Physiology Quiz: Know Your Body

Welcome to the Anatomy & Physiology Test! This comprehensive quiz will challenge your knowledge of the human body's structure and function. Covering topics such as the skeletal system, muscular system, cardiovascular...

Questions: 41 | Attempts: 12521 | Last updated: Oct 28, 2025

Sample Question
Which organ system introduces oxygen and removes carbon dioxide from the bloodstream?

Digestive

Respiratory

Lymphatic

Cardiovascular

Endocrine

Cell Structure & Function Quiz: Can You Identify All?

Here is an interesting 'cell structure and function quiz' designed to test your knowledge about cells and their functions. Cells are the building blocks of the body and consist of the cell membrane, nucleus, and...

Questions: 20 | Attempts: 42568 | Last updated: Oct 28, 2025

Sample Question
What is the name of a double layer of phospholipids (called lipid bilayer)?

Plasma membrane

Cytoskeleton

Cellulose cell wall

Endoplasmic Reticulum

Cell Division Quiz: Mitosis & Meiosis Challenge

Cell division is when a cell divides to form two or more daughter cells during reproduction. Cells complete this division in three different ways, which can either be through mitosis, meiosis, or binary fission. Take it up and...

Questions: 18 | Attempts: 18375 | Last updated: Oct 28, 2025

Sample Question
In what stage, does a Cell spend the majority of its life?

Telophase

Mitosis

Meiosis

Interphase

None of the above

Circulatory System Quiz With Answers

The Circulatory System Quiz is designed to assess your knowledge of the vital systems that help blood circulate throughout the body. In this quiz, you will be asked a series of questions related to the anatomy and function of the...

Questions: 29 | Attempts: 139069 | Last updated: Mar 7, 2025

Sample Question
What organ is responsible for pumping blood in the circulatory system?

Heart

The heart, the brain, and the lungs

The lungs, the blood, and the blood vessels

The brain, the heart, and the blood vessels

Nervous System Quiz: How Well Do You Know IT?

Are you ready to take a quiz on the nervous system? Our nervous system is complex and plays an integral part in control and coordination. With the help of this quiz, not only will you get to test your knowledge of the nervous...

Questions: 14 | Attempts: 20071 | Last updated: Oct 28, 2025

Sample Question
The nervous system consists of:

Brain

Spinal cord

Nerves

All of these

Popular Biology Quizzes

7th Grade Science Quiz Questions and Answers

Questions: 15 | Attempts: 401035 | Last updated: Jan 8, 2026

Sample Question
Which part of a plant is responsible for absorbing water and minerals from the soil?

Leaves

Stem

Roots

Flowers

Science Quiz For Grade 6 Students

Questions: 15 | Attempts: 236284 | Last updated: Jan 12, 2026

Sample Question
What is Science?

Study of living things

Study of nature

Study of scientific law

All of the above

Grade 10 Science Practice Exam With Answers

Questions: 58 | Attempts: 108833 | Last updated: Feb 3, 2026

Sample Question
In all living things, the basic unit of life is the:

Nucleus

Cell

Nucleolus

Brain

Grade 10 Biology Test

Questions: 20 | Attempts: 102519 | Last updated: Jan 6, 2025

Sample Question
What do nucleic acids control in addition to cell activity?

Transfer energy and prevent body heat loss

Determine Heredity and transfer energy

Transfer energy and store energy

Prevent body heat loss and determine heredity

Basic Biology Quiz: Can You Pass Without Googling?

Questions: 430 | Attempts: 91151 | Last updated: Jun 10, 2025

Sample Question
What does DNA stand for?

Deoxyribonucleic Acid

Dehydrogenated Acid

Dinitroamylose

Denaturedamylase

Central Nervous System Quiz

Questions: 15 | Attempts: 83538 | Last updated: Jun 6, 2025

Sample Question
What is the primary job of the nervous system?

To send messages to and from the brain and spinal cord to and from the body.

To break down food to be used by the body.

To remove wastes from the body.

To regulate body temperature.

Recent Biology Quizzes