Life Processes of Plants: Interactive Quizzes for First Graders

Question 1

What part of a plant absorbs water and nutrients from the ground?

Accepted Answer

Roots

Answer

Leaves

Answer

Stem

Answer

Flowers

Question 2

Plants have tiny openings on their leaves called stomata. What do stomata mainly do?

Accepted Answer

Let gases move in and out during photosynthesis and breathing

Answer

Help plants take in water from the ground

Answer

Hold the plant up and keep it standing

Question 3

How do plants make their own food?

Accepted Answer

They use sunlight and their leaves.

Answer

They get food from the soil.

Answer

They eat insects.

Answer

They eat other plants.

Question 4

Which type of plant tissue moves water and nutrients around the plant?

Accepted Answer

Vascular tissue

Answer

Dermal tissue

Answer

Ground tissue

Answer

Meristematic tissue

Question 5

Plants need sunlight to make their own food. What do they use sunlight for?

Accepted Answer

To make energy

Answer

To make water

Answer

To make air

Question 6

Plants can bend towards light and grow towards gravity. How does this help plants survive?

Accepted Answer

It helps plants get more sunlight for photosynthesis.

Answer

It helps plants reach water and nutrients in the soil.

Answer

It helps plants avoid predators.

Answer

It helps plants communicate with other plants.

Question 7

When a plant receives less light, what happens to its growth?

Accepted Answer

It grows slower.

Answer

It grows taller.

Answer

It grows wider.

Answer

It grows bushier.

Question 8

What do seeds need to start growing?

Accepted Answer

Water, warmth, and air

Answer

Soil, sunlight, and fertilizer

Answer

Carbon dioxide, oxygen, and nitrogen

Answer

Light, humidity, and cold

Question 9

Plants need air to breathe, just like we do. What gases do plants take in when they breathe?

Accepted Answer

Carbon dioxide and oxygen

Answer

Water and sunlight

Answer

Oxygen and glucose

Question 10

How do the adaptations of juicy fruits and feathery seeds help plants survive in different environments?

Accepted Answer

Juicy fruits attract animals that spread seeds in their droppings, helping plants colonize new areas.

Accepted Answer

Feathery seeds float in the wind, allowing plants to disperse their seeds over long distances.

Answer

Juicy fruits protect seeds from being eaten by animals, ensuring plant survival.

Answer

Feathery seeds sink in water, allowing plants to disperse their seeds in aquatic environments.

Question 11

When leaves fall from trees, they decompose and break down. What happens to the nutrients that were in those leaves? How does this process benefit plants and the environment?

Accepted Answer

The nutrients in the leaves are released into the soil and can be absorbed by other plants.

Answer

The nutrients remain in the leaves and cannot be used by other plants.

Answer

The nutrients in the leaves are taken up by animals and are not returned to the environment.

Answer

The nutrients in the leaves are lost to the atmosphere and cannot be used by plants.

Question 12

Which part of the plant drinks water from the ground?

Accepted Answer

Roots

Answer

Leaves

Answer

Stem

Answer

Flowers

Question 13

Why is it important for bees to move pollen from one flower to another?

Accepted Answer

To help plants make new seeds and baby plants

Answer

To help bees find their way back to their hive

Answer

To make flowers more colorful

Answer

To provide food for bees

Question 14

Why do plants need sunlight?

Accepted Answer

To make food for themselves

Answer

To grow taller

Answer

To absorb water from the soil

Question 15

What does a seed need to start growing?

Accepted Answer

Sunlight, water, and air

Answer

Darkness

Answer

Sleep

Answer

Extra food

Question 16

Plants need sunlight to make their own food. If a plant is placed in a dark room with plenty of water and air, will it be able to make its own food?

Accepted Answer

No, plants cannot make food without sunlight.

Answer

Yes, plants can make food even without sunlight.

Answer

Yes, plants can make food as long as they have water and air.

Answer

No, plants cannot make food without water.

Question 17

Why do flowers have bright colors and sweet smells?

Accepted Answer

To attract insects and animals that help spread pollen.

Answer

To protect the plant from being eaten by animals.

Answer

To help the plant absorb more sunlight.

Answer

To attract other plants nearby.

Question 18

A big tree is blocking the sunlight from reaching a small plant nearby. What will happen to the small plant?

Accepted Answer

It will not be able to make enough food and will die.

Answer

It will grow taller to reach the sunlight.

Answer

It will make its own food from the air.

Answer

It will turn yellow and wilt.

Question 19

What part of a plant uses sunlight to create its own food?

Accepted Answer

The leaves

Answer

The roots

Answer

The stem

Answer

The flower

Question 20

When plants breathe, what do they release?

Accepted Answer

Carbon dioxide

Answer

Oxygen

Answer

Water

Answer

Nitrogen

Question 21

Which of these is not something that plants need?

Accepted Answer

Popcorn

Answer

Water

Answer

Sunlight

Answer

Air

Question 22

What part of a plant absorbs water from the ground?

Accepted Answer

The roots

Answer

The stem

Answer

The leaves

Answer

The flower

Question 23

What is the green stuff in plants called that helps them make their own food?

Accepted Answer

Chlorophyll

Answer

Glucose

Answer

Oxygen

Answer

Water

Question 24

What part of the plant carries water and nutrients around?

Accepted Answer

The stem

Answer

The roots

Answer

The leaves

Answer

The flower

Question 25

Which part of the plant is green and helps make food?

Accepted Answer

Leaves

Answer

Stem

Answer

Roots

Answer

Flowers

Question 26

What is released by plants during the process of breathing?

Accepted Answer

Carbon dioxide

Answer

Oxygen

Answer

Water

Answer

Sunlight

Question 27

What is the main job of the roots of a plant?

Accepted Answer

To absorb water and nutrients

Answer

To produce food

Answer

To hold the plant upright

Answer

To store seeds

Question 28

Which of these is not a living part of a plant?

Accepted Answer

Water

Answer

Leaves

Answer

Stem

Answer

Roots

Question 29

What is the name of the process where plants use sunlight, air, and water to make their own food?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Digestion

Answer

Transpiration

Question 30

Which part of the plant helps it catch sunlight for photosynthesis?

Accepted Answer

Leaves

Answer

Roots

Answer

Stem

Answer

Flowers

Question 31

Plants release water vapor into the air through a process called:

Accepted Answer

Transpiration

Answer

Photosynthesis

Answer

Respiration

Answer

Reproduction

Question 32

What part of a plant contains the instructions for how the plant will grow?

Accepted Answer

Seeds

Answer

Leaves

Answer

Roots

Answer

Flowers

Question 33

What is the main purpose of flowers on a plant?

Accepted Answer

To make seeds

Answer

To absorb water

Answer

To provide support

Answer

To make food

Question 34

Which part of the plant takes in water and nutrients from the ground?

Accepted Answer

Roots

Answer

Stem

Answer

Leaves

Answer

Flowers

Question 35

What is needed by plants to make their own food?

Accepted Answer

Sunlight, water, and carbon dioxide

Answer

Water, nutrients, and oxygen

Answer

Air, soil, and fertilizer

Answer

Light, heat, and oxygen

Question 36

What is the purpose of a plant's leaves?

Accepted Answer

To absorb sunlight

Answer

To store water

Answer

To hold the plant up

Answer

To make new plants

Question 37

What happens if a plant does not get enough sunlight?

Accepted Answer

Its leaves become yellow

Answer

It grows taller

Answer

It blooms more

Answer

It dies

Question 38

Which of the following is not a seed?

Accepted Answer

A leaf

Answer

An apple

Answer

A bean

Answer

A popcorn kernel

Question 39

What do plants use oxygen for?

Accepted Answer

To get energy

Answer

To make food

Answer

To grow

Answer

To make seeds

Question 40

What is the job of the stem of a plant?

Accepted Answer

To carry water and nutrients

Answer

To absorb sunlight

Answer

To store food

Answer

To bring in bees and butterflies

Question 41

Bees help plants create new plants. How do bees help plants do this?

Accepted Answer

Carry pollen

Answer

Give plants water

Answer

Eat plant leaves

Question 42

Plants come in different shapes and sizes. Why do you think that is?

Accepted Answer

To help them live in different places

Answer

To make them look pretty

Answer

Because they have to be different

Question 43

Which part of the plant takes in water and nutrients from the soil?

Accepted Answer

Roots

Answer

Stem

Answer

Leaves

Question 44

How can our actions impact plants?

Accepted Answer

Polluting the air and water can harm plants.

Answer

Providing more sunlight doesn't help plants.

Answer

Our actions have no effect on plants.

Question 45

Why are plants important to us?

Accepted Answer

Plants provide us with food.

Accepted Answer

Plants help clean the air.

Answer

Plants are beautiful.

Question 46

How does water move up the stem of a plant?

Accepted Answer

Transpiration

Answer

Photosynthesis

Answer

Respiration

Answer

Diffusion

Question 47

Plants play a crucial role in food chains. What happens when plants disappear from an ecosystem?

Accepted Answer

Animals have less food to eat.

Answer

The air becomes cleaner.

Answer

The soil becomes healthier.

Answer

The climate becomes more stable.

Question 48

Which part of the plant helps it absorb water?

Accepted Answer

Roots

Answer

Stem

Answer

Leaves

Answer

Flowers

Question 49

What happens to a seed when it is planted in soil and watered?

Accepted Answer

It grows roots and leaves.

Answer

It stays the same.

Answer

It dies.

Question 50

Which special feature helps seeds travel far from the plant they grow on?

Accepted Answer

Being lightweight

Answer

A hard shell

Answer

Sharp spikes

Question 51

Plants make their own food using sunlight through a process called photosynthesis. Which leaf feature helps plants absorb more sunlight for photosynthesis?

Accepted Answer

Wide leaves

Answer

Long leaves

Answer

Thick leaves

Answer

Round leaves

Question 52

Plants have different ways to protect themselves, like thorns or poisonous sap. Which of these is NOT a way plants protect themselves?

Accepted Answer

Sweet smell

Answer

Thorns

Answer

Poisonous sap

Question 53

How do plants talk to each other?

Accepted Answer

They send out chemicals

Answer

They make noises

Answer

They use sign language

Question 54

When people cut down trees and pollute the environment, how does it affect plants and their surroundings?

Accepted Answer

It can make it difficult for plants to survive and harm the places where they live.

Answer

It helps plants grow taller and stronger.

Answer

It helps plants produce more food for themselves.

Answer

It reduces the amount of water plants need to survive.

Question 55

Why is seed dispersal important for plants?

Accepted Answer

It helps plants spread to new areas.

Answer

It provides food for animals.

Answer

It helps plants absorb water.

Answer

It helps plants make their own food.

Question 56

In photosynthesis, what is the main job of chlorophyll?

Accepted Answer

To absorb sunlight

Answer

To release oxygen

Answer

To create food for the plant

Answer

To move water

Question 57

What do chloroplasts do in plant cells?

Accepted Answer

Capture sunlight

Answer

Store water

Answer

Transport nutrients

Answer

Produce oxygen

Question 58

How do things like cutting down trees or polluting rivers impact the plants nearby?

Accepted Answer

They make plants unhealthy.

Answer

They help plants grow taller.

Answer

They provide plants with more nutrients.

Question 59

Mushrooms that grow near tree roots help the tree get important things it needs from the soil. What is the name for these mushrooms?

Accepted Answer

Mycorrhizae

Answer

Mushrooms

Answer

Roots

Answer

Soil

Question 60

How do plants help to keep the air we breathe clean?

Accepted Answer

Plants take in carbon dioxide from the air and release oxygen.

Answer

Plants provide food for animals.

Answer

Plants give us shade from the sun.

Answer

Plants help to hold the soil in place.

Question 61

What helps a seed grow into a new plant?

Accepted Answer

Sunlight, water, and warmth

Answer

Soil, air, and light

Answer

Water, air, and food

Answer

Wind, rain, and animals

Question 62

Why do farmers use plant breeding?

Accepted Answer

To grow plants with traits they want, like larger fruit or plants that can resist pests

Answer

To make plants grow very quickly

Answer

To make plants that don't need sunlight to grow

Answer

To make plants that can survive in any environment

Question 63

What do plants need to make their own food?

Accepted Answer

Sunlight, water, and air

Answer

Water, soil, and air

Answer

Sunlight, soil, and air

Question 64

Which part of a plant helps it breathe?

Accepted Answer

Leaves

Answer

Flowers

Answer

Stems