Can You Outsmart an Elementary School Biology Test?

Question 1

Does the Liver Pump 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?

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What Organ Helps You Breathe?

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Which Sense Uses Your Nose?

Question 1

What Do Tadpoles Grow Into?

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What Part of a Plant Holds It in the Ground?

Question 1

What Type of Animal Is a Lion?

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Which Part of the Body Digests Food?

Question 1

What Organ Helps Filter Waste From Your Blood?

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Which Living Thing Is a Producer in a Food Chain?

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Which Body System Controls Your Movements?

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What Does a Caterpillar Become?

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

Question 1

What Do Humans Use Their Skin for?

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Which of These Animals Is Cold-Blooded?

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What Helps Your Body Fight Sickness?

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What Do Plants Release Into the Air?

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What Do Bones Connect to at Joints?

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Which Body Part Is Used for Tasting?

Question 1

What Do Animals Need to Survive?

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What Does an Omnivore Eat?

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What’s the Smallest Unit of Life?

Question 1

What Does a Bird Use to Fly?

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What Gas Do Plants Take in?

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What Organ Is Responsible for Thinking and Memory?

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Which Part of the Body Helps With Balance?

Question 1

Which of These Is a Vertebrate?

Question 1

How Do Fish Breathe Underwater?

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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?

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Which Food Gives the Most Calcium?

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What Is the Job of White Blood Cells?

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Which System Includes the Bones?

Question 1

Which of These Animals Is a Herbivore?

Question 1

What Do Plants Use Their Roots for?

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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?

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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?

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Which Sense Is Mainly Used When Reading a Book?

Question 1

Why Do Birds Migrate?

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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?

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What Sense Helps You Feel Heat and Texture?

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

Question 1

What Is Chlorophyll?

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Why Are Wetlands Important?

Question 1

Which of These Is an Example of Camouflage?

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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

No

2

Yes

The heart, not the liver, is responsible for pumping blood throughout the body to deliver oxygen and nutrients.

1

Carbon dioxide

2

Oxygen

3

Helium

4

Nitrogen

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

1

Salt

2

Sugar

3

Sand

4

Sunlight

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

1

Ears

2

Nose

3

Tongue

4

Eyes

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

1

Mouth

2

Ears

3

Eyes

4

Nose

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

1

Water

2

Nectar

3

Leaves

4

Bark

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

1

Cow

2

Horse

3

Dog

4

Chicken

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

1

Oxygen

2

Calcium

3

Caffeine

4

Sugar

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

1

Heart

2

Stomach

3

Lungs

4

Kidneys

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

1

Touch

2

Hearing

3

Smell

4

Taste

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

1

Snakes

2

Frogs

3

Fish

4

Lizards

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

1

Flower

2

Leaves

3

Stem

4

Roots

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

1

Reptile

2

Bird

3

Mammal

4

Amphibian

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

1

Stomach

2

Brain

3

Liver

4

Lungs

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

1

Heart

2

Liver

3

Kidneys

4

Lungs

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

1

Rabbit

2

Owl

3

Grass

4

Fox

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

1

Digestive system

2

Respiratory system

3

Muscular system

4

Circulatory 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

Fruit

2

Bark

3

Trunk

4

Branches

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

1

Thinking

2

Breathing

3

Seeing

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

Red blood cells

2

White blood cells

3

Platelets

4

Plasma

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

1

Sulfur

2

Carbon dioxide

3

Oxygen

4

Nitrogen

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

1

Muscles

2

Blood

3

Veins

4

Lungs

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

1

Ear

2

Tongue

3

Foot

4

Nose

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

1

Plastic

2

Glue

3

Water

4

TV

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

1

Fruits only

2

Plants and animals

3

Only plants

4

Only meat

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

1

Organism

2

Organ

3

Tissue

4

Cell

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

Hydrogen

2

Nitrogen

3

Oxygen

4

Carbon dioxide

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

1

Heart

2

Lungs

3

Brain

4

Liver

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

1

Inner ear

2

Stomach

3

Nose

4

Liver

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

1

Worm

2

Octopus

3

Jellyfish

4

Dog

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

1

Skin

2

Gills

3

Lungs

4

Nostrils

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

1

Balance hearing

2

Help you smell

3

Protect eyes from dust

4

Filter air

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

1

Cow

2

Ant

3

Tree

4

Mushroom

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

Whale

2

Turtle

3

Frog

4

Penguin

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

1

Create bones

2

Store oxygen

3

Filter toxins

4

Pump blood

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

1

Beaks

2

Legs

3

Eyes

4

Wings

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

1

Chlorophyll

2

Platelets

3

Hemoglobin

4

Plasma

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

1

Elephant

2

Butterfly

3

Dog

4

Fish

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

1

Spinal cord

2

Liver

3

Stomach

4

Heart

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

1

You lose oxygen

2

You absorb water

3

Your body cools down

4

You get stronger

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

1

Stem

2

Petal

3

Ovary

4

Leaf

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

1

Break down proteins

2

Absorb water

3

Store oxygen

4

Pump blood

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

1

Butterfly

2

Egg

3

Caterpillar

4

Chrysalis

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

1

Fast running

2

Hot sand

3

Sunlight

4

Thick feathers and fat

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

1

Apples

2

Chicken

3

Milk

4

Bread

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

1

Carry oxygen

2

Build muscles

3

Control sugar

4

Fight infection

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

1

Respiratory system

2

Digestive system

3

Skeletal system

4

Circulatory system

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

1

Shark

2

Cow

3

Eagle

4

Wolf

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

1

To absorb water and nutrients

2

To fly

3

To photosynthesize

4

To breathe

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

1

Nervous system

2

Digestive system

3

Skeletal system

4

Respiratory system

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

1

Teeth

2

Skin

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

Flight and warmth

2

Breathing

3

Seeing

4

Swimming

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

1

Gravity pulling

2

Sound waves

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

Attract insects

2

Grow roots

3

Store water

4

Make food for the plant

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

1

Exercise

2

Eating candy

3

Watching TV

4

Sleeping late

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

1

Pump blood

2

Carry oxygen

3

Digest food

4

Fight infections

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

1

Lion

2

Horse

3

Sheep

4

Cow

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

1

It can heal over time

2

It melts

3

It disappears

4

It gets replaced

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

1

Pointy fangs

2

Flat molars

3

Small incisors

4

Sharp canines

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

1

Jellyfish

2

Bird

3

Mouse

4

Cat

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

1

Filter light

2

Catch insects

3

Carry water and support the plant

4

Digest food

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

1

Food

2

Music

3

Books

4

Toys

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

1

Hair

2

Silk

3

Bark

4

Feathers

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

1

Taste

2

Hearing

3

Sight

4

Smell

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

1

To sleep more

2

To avoid other birds

3

To find food and better weather

4

To grow bigger

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

Feet

2

Nose

3

Eyes

4

Hands

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

1

Makes you taller

2

Stores food

3

Protects your heart and lungs

4

Helps you jump

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

1

Connections between many food chains

2

Oxygen flow

3

Growth of animals

4

Plant parts

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

1

Spider

2

Wasp

3

Bee

4

Ant

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

1

Snow

2

Strong winds

3

Cold weather

4

Rain and warm temperatures

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

1

It turns to sugar in roots

2

It stays in the soil

3

It floats in the air

4

It travels from roots to leaves

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

1

You hear better

2

Your brain shuts off

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

Taste

3

Touch

4

Smell

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

1

Rabbit

2

Butterfly

3

Penguin

4

Elephant

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

1

Plant sugar

2

Tree bark

3

Animal blood

4

Green pigment in plants

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

1

They’re fun to swim in

2

They hold rocks

3

They’re made of ice

4

They clean water and support life

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

1

A red shirt

2

A green frog on a leaf

3

A tall tree

4

A glass of water

Camouflage helps animals blend into their surroundings to avoid predators.

1

Respiratory system

2

Digestive system

3

Nervous system

4

Skeletal system

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

1

Omnivore

2

Carnivore

3

Insectivore

4

Herbivore

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

1

To eat during winter

2

To hide them from birds

3

To keep warm

4

To build nests

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

1

Helps them fly

2

Makes them grow

3

Keeps them warm

4

Protects from light

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

1

A cloud

2

A city

3

A community of living and non-living things

4

A single plant

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

1

Catching insects

2

Swimming faster

3

Changing color

4

Making sounds

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

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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!

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