Can You Outsmart an Elementary School Biology Test?

Question 1

What Organ Pumps Blood Throughout the Body?

Question 1

What Gas Do We Breathe in That Keeps Us Alive?

Question 1

What Do Plants Need for Photosynthesis?

Question 1

What Body Part Helps You See?

Question 1

Which Body Part Helps You Hear?

Question 1

What Do Bees Collect From Flowers?

Question 1

Which Animal Lays Eggs?

Question 1

What Helps Your Bones Stay Strong?

Question 1

What Organ Helps You Breathe?

Question 1

Which Sense Uses Your Nose?

Question 1

What Do Tadpoles Grow Into?

Question 1

What Part of a Plant Holds It in the Ground?

Question 1

What Type of Animal Is a Lion?

Question 1

Which Part of the Body Digests Food?

Question 1

What Organ Helps Filter Waste From Your Blood?

Question 1

Which Living Thing Is a Producer in a Food Chain?

Question 1

Which Body System Controls Your Movements?

Question 1

What Does a Caterpillar Become?

Question 1

What Part of a Tree Carries Water From Roots to Leaves?

Question 1

What Do Humans Use Their Skin for?

Question 1

Which of These Animals Is Cold-Blooded?

Question 1

What Helps Your Body Fight Sickness?

Question 1

What Do Plants Release Into the Air?

Question 1

What Do Bones Connect to at Joints?

Question 1

Which Body Part Is Used for Tasting?

Question 1

What Do Animals Need to Survive?

Question 1

What Does an Omnivore Eat?

Question 1

What’s the Smallest Unit of Life?

Question 1

What Does a Bird Use to Fly?

Question 1

What Gas Do Plants Take in?

Question 1

What Organ Is Responsible for Thinking and Memory?

Question 1

Which Part of the Body Helps With Balance?

Question 1

Which of These Is a Vertebrate?

Question 1

How Do Fish Breathe Underwater?

Question 1

What Is the Function of Eyelashes?

Question 1

Which Living Thing Is a Decomposer?

Question 1

How Does a Baby Breathe Before Birth?

Question 1

Which of These Is a Reptile?

Question 1

What Does the Liver Help the Body Do?

Question 1

What Body Part Helps Birds Steer?

Question 1

What Gives Blood Its Red Color?

Question 1

Which of These Animals Undergoes Metamorphosis?

Question 1

What Does the Spine Protect?

Question 1

What Happens When You Sweat?

Question 1

Which Part of a Flower Makes Seeds?

Question 1

What Is the Job of the Large Intestine?

Question 1

What Is the First Stage of a Butterfly’s Life Cycle?

Question 1

How Do Penguins Keep Warm?

Question 1

Which Food Gives the Most Calcium?

Question 1

What Is the Job of White Blood Cells?

Question 1

Which System Includes the Bones?

Question 1

Which of These Animals Is a Herbivore?

Question 1

What Do Plants Use Their Roots for?

Question 1

Which Body System Controls Breathing?

Question 1

What Do Snakes Shed as They Grow?

Question 1

How Do Ants Communicate?

Question 1

What’s the Purpose of Feathers?

Question 1

What Causes Your Shadow to Appear?

Question 1

Which Animal Lives in a Hive and Makes Honey?

Question 1

What Is the Main Purpose of Leaves?

Question 1

Which of These Helps Keep Your Heart Healthy?

Question 1

What Is the Main Job of Red Blood Cells?

Question 1

What Is an Example of a Carnivore?

Question 1

What Happens When You Break a Bone?

Question 1

What Type of Teeth Do Herbivores Use to Chew Plants?

Question 1

Which of These Animals Is an Invertebrate?

Question 1

What Is the Job of the Stem in a Plant?

Question 1

Which of These Is a Basic Need for All Animals?

Question 1

What Does a Spider Use to Spin a Web?

Question 1

Which Sense Is Mainly Used When Reading a Book?

Question 1

Why Do Birds Migrate?

Question 1

What Is One Reason a Giraffe Has a Long Neck?

Question 1

What Part of the Body Helps You Smell?

Question 1

What’s the Function of Your Rib Cage?

Question 1

What Does a Food Web Show?

Question 1

Which of These Creatures Has Eight Legs?

Question 1

What Do Rainforests Need Most to Thrive?

Question 1

What Happens to Water in a Plant?

Question 1

What Happens When You Blink?

Question 1

What Sense Helps You Feel Heat and Texture?

Question 1

Which Animal Grows From Egg to Larva to Pupa to Adult?

Question 1

What Is Chlorophyll?

Question 1

Why Are Wetlands Important?

Question 1

Which of These Is an Example of Camouflage?

Question 1

What Body System Includes Your Brain and Nerves?

Question 1

What Type of Animal Eats Both Meat and Plants?

Question 1

Why Do Squirrels Store Nuts?

Question 1

What Is the Function of Fur on Animals?

Question 1

What Is an Ecosystem?

Question 1

What Do Frogs Use Their Long Tongues for?

1

Heart

2

Lungs

3

Stomach

4

Liver

The heart circulates oxygen-rich blood through the body, delivering nutrients and removing waste via the bloodstream.

1

Nitrogen

2

Helium

3

Carbon dioxide

4

Oxygen

Oxygen is vital for cellular respiration, a process that helps your body make energy from food.

1

Sand

2

Sunlight

3

Sugar

4

Salt

Sunlight powers photosynthesis, enabling plants to turn carbon dioxide and water into food.

1

Ears

2

Eyes

3

Tongue

4

Nose

The eyes detect light and send signals to the brain to form images of the world around you.

1

Mouth

2

Nose

3

Eyes

4

Ears

Your ears capture sound waves and send them to your brain, allowing you to understand noises and speech.

1

Bark

2

Nectar

3

Leaves

4

Water

Bees gather nectar to make honey and help pollinate plants as they travel from flower to flower.

1

Horse

2

Cow

3

Chicken

4

Dog

Chickens and most birds lay eggs to reproduce, with the embryo developing inside the egg shell.

1

Caffeine

2

Calcium

3

Sugar

4

Oxygen

Calcium is a mineral found in dairy and leafy greens that keeps your bones dense and healthy.

1

Lungs

2

Kidneys

3

Heart

4

Stomach

Lungs take in oxygen and remove carbon dioxide during the process of breathing.

1

Hearing

2

Taste

3

Smell

4

Touch

Your nose detects smells using receptors that send signals to the brain's olfactory system.

1

Frogs

2

Lizards

3

Fish

4

Snakes

Tadpoles are the larval stage of frogs and go through metamorphosis as they develop legs and lungs.

1

Flower

2

Stem

3

Roots

4

Leaves

Roots anchor the plant in the soil and absorb water and minerals needed for growth.

1

Reptile

2

Amphibian

3

Bird

4

Mammal

Lions are warm-blooded mammals that give birth to live young and nurse them with milk.

1

Lungs

2

Stomach

3

Liver

4

Brain

The stomach uses acid and enzymes to break food into nutrients the body can use.

1

Liver

2

Kidneys

3

Lungs

4

Heart

Kidneys remove toxins and waste from your blood, producing urine as part of your body’s filtration system.

1

Grass

2

Owl

3

Fox

4

Rabbit

Grass makes its own food through photosynthesis and is the base of many food chains.

1

Digestive system

2

Muscular system

3

Circulatory system

4

Respiratory system

The muscular system allows you to move your body using muscles attached to bones.

1

Butterfly

2

Ant

3

Worm

4

Bee

Caterpillars go through metamorphosis, forming a chrysalis and transforming into butterflies.

1

Trunk

2

Branches

3

Fruit

4

Bark

The trunk transports water and nutrients through xylem tissue to nourish the entire tree.

1

Breathing

2

Seeing

3

Thinking

4

Protection

Skin is the body’s largest organ and protects you from germs, injury, and harmful sun rays.

1

Snake

2

Horse

3

Elephant

4

Cat

Snakes are reptiles, meaning their body temperature changes with the environment instead of staying constant.

1

Platelets

2

Red blood cells

3

White blood cells

4

Plasma

White blood cells destroy viruses, bacteria, and other invaders that cause infections.

1

Carbon dioxide

2

Nitrogen

3

Sulfur

4

Oxygen

During photosynthesis, plants absorb carbon dioxide and release oxygen into the atmosphere.

1

Blood

2

Lungs

3

Veins

4

Muscles

Joints connect bones and allow movement with the help of muscles and ligaments.

1

Ear

2

Tongue

3

Nose

4

Foot

Your tongue has taste buds that detect sweet, sour, salty, bitter, and umami flavors.

1

Water

2

Plastic

3

TV

4

Glue

Water is essential for animals to regulate body temperature, digest food, and eliminate waste.

1

Only meat

2

Only plants

3

Fruits only

4

Plants and animals

Omnivores like humans eat both meat and plant-based foods for a balanced diet.

1

Cell

2

Organ

3

Tissue

4

Organism

Cells are the building blocks of all living things, from tiny bacteria to humans.

1

Legs

2

Wings

3

Nose

4

Teeth

Birds have strong, lightweight wings covered in feathers that allow them to fly through the air.

1

Oxygen

2

Hydrogen

3

Carbon dioxide

4

Nitrogen

Plants absorb carbon dioxide through tiny pores in their leaves and use it during photosynthesis.

1

Liver

2

Heart

3

Brain

4

Lungs

The brain controls thinking, memory, emotions, and decisions by processing signals from around the body.

1

Nose

2

Liver

3

Inner ear

4

Stomach

The inner ear contains tiny structures that sense movement and help you maintain balance and orientation.

1

Dog

2

Jellyfish

3

Worm

4

Octopus

Dogs have a backbone, which makes them vertebrates unlike jellyfish or worms.

1

Gills

2

Lungs

3

Nostrils

4

Skin

Fish use gills to extract oxygen from water and release carbon dioxide.

1

Help you smell

2

Protect eyes from dust

3

Balance hearing

4

Filter air

Eyelashes protect your eyes by catching dust and debris before it enters.

1

Mushroom

2

Tree

3

Ant

4

Cow

Mushrooms break down dead plants and animals, returning nutrients to the soil.

1

Through the umbilical cord

2

By swallowing air

3

Through the nose

4

With lungs

Oxygen is passed from the mother to the baby via the umbilical cord, not by breathing air.

1

Penguin

2

Whale

3

Turtle

4

Frog

Turtles are reptiles with dry scaly skin and lay eggs on land.

1

Pump blood

2

Store oxygen

3

Filter toxins

4

Create bones

The liver removes toxins from the blood and processes nutrients from food.

1

Legs

2

Beaks

3

Eyes

4

Wings

Birds use their wings to generate lift and steer while flying.

1

Hemoglobin

2

Platelets

3

Chlorophyll

4

Plasma

Hemoglobin in red blood cells binds with oxygen and gives blood its red color.

1

Butterfly

2

Dog

3

Elephant

4

Fish

Butterflies transform from eggs to caterpillars, then to pupae, and finally into adults.

1

Heart

2

Spinal cord

3

Liver

4

Stomach

The spine encases and protects the spinal cord, which sends messages between the brain and body.

1

You absorb water

2

You get stronger

3

You lose oxygen

4

Your body cools down

Sweating helps regulate body temperature by releasing heat as moisture evaporates from the skin.

1

Stem

2

Ovary

3

Leaf

4

Petal

The ovary in a flower contains ovules, which develop into seeds after fertilization.

1

Break down proteins

2

Pump blood

3

Store oxygen

4

Absorb water

The large intestine absorbs water from digested food and stores waste before elimination.

1

Egg

2

Caterpillar

3

Chrysalis

4

Butterfly

Butterflies begin life as tiny eggs laid on leaves by adult females.

1

Thick feathers and fat

2

Hot sand

3

Fast running

4

Sunlight

Penguins have dense feathers and a thick fat layer to insulate against extreme cold.

1

Milk

2

Chicken

3

Apples

4

Bread

Milk is rich in calcium, which is important for growing strong bones and teeth.

1

Carry oxygen

2

Fight infection

3

Build muscles

4

Control sugar

White blood cells defend your body by identifying and destroying harmful viruses and bacteria.

1

Skeletal system

2

Digestive system

3

Circulatory system

4

Respiratory system

The skeletal system includes bones and joints that provide structure and protect internal organs.

1

Wolf

2

Cow

3

Shark

4

Eagle

Cows eat only plants and grasses, making them classic examples of herbivores.

1

To absorb water and nutrients

2

To photosynthesize

3

To fly

4

To breathe

Roots anchor the plant and take in water and nutrients from the soil.

1

Skeletal system

2

Digestive system

3

Respiratory system

4

Nervous system

The respiratory system includes lungs and airways, managing the exchange of oxygen and carbon dioxide.

1

Skin

2

Teeth

3

Bones

4

Eyes

Snakes regularly shed their outer layer of skin to allow for growth and remove parasites.

1

By changing color

2

With speech

3

With blinking

4

With chemicals

Ants use pheromones—chemical signals—to communicate with each other about food or danger.

1

Swimming

2

Breathing

3

Flight and warmth

4

Seeing

Feathers help birds fly, stay dry, and keep warm by trapping heat close to their bodies.

1

Sound waves

2

Gravity pulling

3

Breathing air

4

Blocking light

Shadows are made when something blocks light from reaching the surface behind it.

1

Spider

2

Bee

3

Ant

4

Butterfly

Bees live in hives, where they store honey made from nectar collected from flowers.

1

Grow roots

2

Attract insects

3

Make food for the plant

4

Store water

Leaves perform photosynthesis, converting sunlight into energy the plant can use to grow.

1

Exercise

2

Watching TV

3

Sleeping late

4

Eating candy

Regular exercise strengthens your heart, improves circulation, and helps maintain a healthy weight.

1

Digest food

2

Pump blood

3

Fight infections

4

Carry oxygen

Red blood cells transport oxygen from the lungs to body tissues and bring carbon dioxide back to the lungs.

1

Lion

2

Cow

3

Sheep

4

Horse

Lions eat other animals for food, which classifies them as carnivores.

1

It disappears

2

It gets replaced

3

It melts

4

It can heal over time

Bones are living tissue and can repair themselves with rest, nutrients, and medical help.

1

Small incisors

2

Pointy fangs

3

Flat molars

4

Sharp canines

Herbivores use broad, flat molars to grind and break down tough plant material.

1

Bird

2

Mouse

3

Jellyfish

4

Cat

Jellyfish don’t have a backbone, making them invertebrates unlike cats or birds.

1

Digest food

2

Carry water and support the plant

3

Catch insects

4

Filter light

The stem transports nutrients and water and holds the plant upright for sunlight exposure.

1

Music

2

Books

3

Toys

4

Food

All animals need food to grow, produce energy, and stay alive.

1

Hair

2

Feathers

3

Bark

4

Silk

Spiders use special glands to produce silk, which they use to spin webs for catching prey.

1

Sight

2

Taste

3

Smell

4

Hearing

Your eyes allow you to see letters and words so you can read and understand a book.

1

To grow bigger

2

To avoid other birds

3

To find food and better weather

4

To sleep more

Birds migrate to warmer places with more food when temperatures drop in their usual homes.

1

To dig holes

2

To hear better

3

To reach high leaves

4

To walk faster

Giraffes use their long necks to eat leaves from tall trees other animals can’t reach.

1

Nose

2

Hands

3

Feet

4

Eyes

Your nose detects different scents and sends that information to your brain to identify smells.

1

Helps you jump

2

Stores food

3

Protects your heart and lungs

4

Makes you taller

The rib cage shields the heart and lungs from damage and helps you breathe.

1

Oxygen flow

2

Growth of animals

3

Connections between many food chains

4

Plant parts

A food web displays how different food chains in an ecosystem are linked together.

1

Spider

2

Ant

3

Bee

4

Wasp

Spiders are arachnids and have eight legs, unlike insects that only have six.

1

Strong winds

2

Rain and warm temperatures

3

Snow

4

Cold weather

Rainforests depend on heavy rainfall and constant warmth to support diverse plant and animal life.

1

It stays in the soil

2

It travels from roots to leaves

3

It floats in the air

4

It turns to sugar in roots

Water enters roots and moves through the stem to the leaves for photosynthesis.

1

Your brain shuts off

2

You hear better

3

Your eyes get cleaned and moistened

4

Your bones grow

Blinking spreads tears and clears debris to keep your eyes clean and moist.

1

Sight

2

Touch

3

Smell

4

Taste

Touch receptors in your skin let you detect temperature, pressure, and texture.

1

Elephant

2

Penguin

3

Butterfly

4

Rabbit

Butterflies go through complete metamorphosis, changing through four distinct life stages.

1

Green pigment in plants

2

Animal blood

3

Tree bark

4

Plant sugar

Chlorophyll absorbs sunlight for photosynthesis and gives plants their green color.

1

They hold rocks

2

They’re made of ice

3

They’re fun to swim in

4

They clean water and support life

Wetlands filter water, prevent floods, and provide habitats for many living things.

1

A tall tree

2

A green frog on a leaf

3

A glass of water

4

A red shirt

Camouflage helps animals blend into their surroundings to avoid predators.

1

Skeletal system

2

Nervous system

3

Digestive system

4

Respiratory system

The nervous system sends signals to and from the brain, controlling all body functions and sensations.

1

Insectivore

2

Herbivore

3

Omnivore

4

Carnivore

Omnivores eat both plants and meat, which gives them a wider range of food choices.

1

To eat during winter

2

To build nests

3

To keep warm

4

To hide them from birds

Squirrels bury nuts to ensure they have food when it’s scarce in colder months.

1

Keeps them warm

2

Helps them fly

3

Protects from light

4

Makes them grow

Fur provides insulation to help regulate body temperature in cold weather.

1

A community of living and non-living things

2

A city

3

A cloud

4

A single plant

Ecosystems include all organisms and physical environments in a particular area interacting with each other.

1

Changing color

2

Making sounds

3

Catching insects

4

Swimming faster

Frogs use sticky, extendable tongues to quickly catch insects for food.

1 / 90

Players who played this quiz:

+

Faster than you:

Wow! You're faster than % of players

Smarter than you:

Amazing! You're smarter than % of players

Think you’ve still got your grade school biology smarts? This quiz will test your knowledge of basic biology—organs, ecosystems, animals, and more. Let’s see if you’re sharper than a fifth grader when it comes to science!

About us

At GrubFeed, we offer an engaging and interactive way to challenge your knowledge across pop culture, entertainment, history, sports, and more. Our trivia quizzes are crafted to entertain and educate, providing a fun learning experience that's accessible from anywhere. With a diverse selection of topics, you're bound to discover something that sparks your interest.