Plants: Structure, Function, and Importance - Year 2 Science Quiz

Question 1

Which part of the plant absorbs water from the soil?

Accepted Answer

Roots

Answer

Stem

Answer

Leaves

Answer

Flowers

Question 2

Which part of a plant uses sunlight to make food?

Accepted Answer

Leaves

Answer

Stem

Answer

Roots

Question 3

Which two main groups can all plants be divided into?

Accepted Answer

Flowering and Non-Flowering Plants

Answer

Green and Non-Green Plants

Answer

Large and Small Plants

Answer

Edible and Non-Edible Plants

Question 4

How do dandelion seeds travel and create new plants?

Accepted Answer

The wind blows the seeds away from the plant.

Answer

Animals eat the seeds and spread them in their poop.

Answer

The seeds float in water and move with the currents.

Answer

The seeds are too heavy to move and grow near the parent plant.

Question 5

What special feature has the Venus flytrap developed to help it live in places where it is hard to get nutrients?

Accepted Answer

It traps and eats insects.

Answer

It has special roots that can absorb nutrients from the air.

Answer

It grows in soil that is already very rich in nutrients.

Answer

It stores water in its thick leaves.

Question 6

What happens to animals and plants when forests are cut down?

Accepted Answer

They lose their homes and have trouble finding food.

Answer

The air becomes cleaner.

Answer

The soil becomes more fertile.

Answer

The weather stays the same.

Question 7

How do plants get the air and water they need to survive?

Accepted Answer

Through their roots and leaves

Answer

Through their flowers

Answer

Through their stems

Question 8

Why is it crucial to safeguard plants and their homes?

Accepted Answer

Plants provide us with food and the air we breathe.

Answer

Plants enhance the beauty of our surroundings.

Answer

Plants are not essential to the environment.

Answer

Plants can only be found in forests.

Question 9

How do plants help keep the air clean and healthy for us?

Accepted Answer

Plants take in carbon dioxide, a harmful gas, from the air and release oxygen, a gas that humans and animals need to breathe.

Answer

Plants provide food for all animals on Earth.

Answer

Plants help cool the Earth down by absorbing sunlight.

Answer

Plants create rain by releasing water vapor into the air.

Question 10

Why is pollination essential for plants?

Accepted Answer

It helps plants make seeds for new plants to grow.

Answer

It helps plants make food for themselves.

Answer

It helps plants grow taller.

Answer

It helps plants protect themselves from animals.

Question 11

What do roots NOT do for a plant?

Accepted Answer

Make food for the plant

Answer

Drink water from the soil

Answer

Hold the plant in the ground

Answer

Store food for the plant

Question 12

A farmer has a farm in a very dry area. Which plant would be the best choice to grow there?

Accepted Answer

Cactus

Answer

Sunflower

Answer

Fern

Answer

Rose

Question 13

Which of these is the main job of auxin, a plant hormone?

Accepted Answer

Helps plants grow taller

Answer

Makes plants grow wider

Answer

Makes plants stronger

Answer

Helps plants make flowers

Question 14

What is the main job of plant roots?

Accepted Answer

To take in water from the soil

Answer

To help the plant stand up straight

Answer

To make food for the plant

Answer

To protect the plant from animals

Question 15

What is the correct order of the stages in the life cycle of a flowering plant?

Accepted Answer

Seed, seedling, flower, fruit

Answer

Seed, fruit, flower, seedling

Answer

Flower, seed, seedling, fruit

Answer

Fruit, flower, seed, seedling

Question 16

Which of these is NOT made from a plant?

Accepted Answer

Plastic cup

Answer

Apple juice

Answer

Wooden table

Question 17

How do plants use sunlight, water, and air to make their own food?

Accepted Answer

Photosynthesis

Answer

Breathing

Answer

Digestion

Answer

Evaporation

Question 18

What three things do plants need to make their own food through photosynthesis?

Accepted Answer

Water, sunlight, and air

Answer

Soil, rocks, and sunlight

Answer

Air, sunlight, and fertilizer

Answer

Water, air, and fertilizer

Question 19

How can we help protect plants that are in danger of disappearing?

Accepted Answer

Stop cutting down trees and building in forests.

Answer

Use pesticides to kill insects that eat plants.

Answer

Bring in new plants from other countries to make our gardens more colorful.

Question 20

How can we help keep plants healthy and protect their homes?

Accepted Answer

Use less harmful chemicals in our gardens.

Accepted Answer

Choose plants that grow naturally in our area.

Accepted Answer

Plant trees.

Answer

Ignore plants because they can look after themselves.

Question 21

How do plants attract bees and butterflies to help them make seeds?

Accepted Answer

By growing colorful petals

Answer

By making loud noises

Answer

By releasing a bad smell

Answer

By growing thorns

Question 22

How do plants help the air we breathe?

Accepted Answer

Plants take in carbon dioxide and release oxygen.

Answer

Plants clean the air by trapping dust and pollution.

Answer

Plants provide homes for animals.

Question 23

Where do plants get water and nutrients from?

Accepted Answer

Their roots

Answer

Their leaves

Answer

Their stems

Answer

Their flowers

Question 24

How do plants make their own food?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Transpiration

Answer

Germination

Question 25

Which of these is NOT a step in the life cycle of a plant?

Accepted Answer

Caterpillar

Answer

Seed

Answer

Flower

Answer

Germination

Question 26

What is the green stuff in plants that helps them make food from sunlight called?

Accepted Answer

Chlorophyll

Answer

Carrots

Answer

Anthocyanins

Answer

Phycoerythrin

Question 27

What is the process called when water evaporates from plants into the air?

Accepted Answer

Transpiration

Answer

Photosynthesis

Answer

Respiration

Answer

Germination

Question 28

Which of these plants eats insects?

Accepted Answer

Venus flytrap

Answer

Rose

Answer

Daisy

Answer

Fern

Question 29

What is the name for when a seed starts to grow into a plant?

Accepted Answer

Germination

Answer

Photosynthesis

Answer

Respiration

Answer

Transpiration

Question 30

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

Accepted Answer

Roots

Answer

Stem

Answer

Leaves

Answer

Flowers

Question 31

Which of these is NOT a part of a plant's life cycle?

Accepted Answer

Mushroom

Answer

Seed

Answer

Sprout

Answer

Flower

Question 32

Which of these is a type of non-vascular plant?

Accepted Answer

Moss

Answer

Fern

Answer

Tree

Answer

Shrub

Question 33

What is the process called when a seed starts to grow?

Accepted Answer

Germination

Answer

Pollination

Answer

Photosynthesis

Answer

Respiration

Question 34

Which part of a plant usually attracts insects?

Accepted Answer

Flower

Answer

Roots

Answer

Stem

Answer

Leaves

Question 35

What part of the plant takes in sunlight to make food?

Accepted Answer

Leaves

Answer

Roots

Answer

Stem

Answer

Flowers

Question 36

Which three things do plants need to grow?

Accepted Answer

Sunlight, water, and air

Answer

Food, water, and shelter

Answer

Soil, rocks, and sand

Answer

Books, toys, and games

Question 37

What holds up the plant and its leaves?

Accepted Answer

Stem

Answer

Roots

Answer

Flowers

Answer

Seeds

Question 38

Which part of the flower holds the seeds?

Accepted Answer

Pistil

Answer

Petals

Answer

Sepals

Answer

Stamen

Question 39

Which of these is NOT a stage in a plant's life?

Accepted Answer

Harvest

Answer

Seed

Answer

Sprout

Answer

Flower

Question 40

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

Accepted Answer

Roots

Answer

Stem

Answer

Leaves

Answer

Flowers

Question 41

What is the green substance in leaves that plants use to make food called?

Accepted Answer

Chlorophyll

Answer

Oxygen

Answer

Water

Answer

Carbon dioxide

Question 42

What do plants release into the air during photosynthesis?

Accepted Answer

Oxygen

Answer

Carbon dioxide

Answer

Water vapour

Answer

Nitrogen

Question 43

What process do plants use to spread their seeds far and wide?

Accepted Answer

Dispersing seeds

Answer

Germinating

Answer

Pollinating

Answer

Photosynthesising

Question 44

Which part of a plant holds up the leaves and flowers?

Accepted Answer

Stem

Answer

Roots

Answer

Leaves

Answer

Flowers

Question 45

What is the seed-holding part of a flowering plant called?

Accepted Answer

Fruit

Answer

Pollen

Answer

Stem

Answer

Root

Question 46

Which of these is not a part of a plant?

Accepted Answer

Feathers

Answer

Roots

Answer

Leaves

Answer

Stems

Question 47

What is the green substance in leaves called?

Accepted Answer

Chlorophyll

Answer

Carotenoids

Answer

Anthocyanins

Answer

Flavonoids

Question 48

How do plants make their own food?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Fermentation

Answer

Glycolysis

Question 49

What is the job of a plant's roots?

Accepted Answer

To drink water and take in food from the soil

Answer

To hold the plant up

Answer

To store food

Answer

To carry water and food around the plant

Question 50

What is the first thing that happens in a plant's life?

Accepted Answer

Germination

Answer

Seed dispersal

Answer

Pollination

Answer

Flowering

Question 51

What is the main reason why plants are green?

Accepted Answer

To soak up sunlight

Answer

To attract insects

Answer

To keep away pests

Answer

To store energy

Question 52

What part of the plant sucks up water from the ground?

Accepted Answer

Roots

Answer

Stem

Answer

Leaves

Answer

Flowers

Question 53

How do plants make their own food?

Accepted Answer

Photosynthesis

Answer

Breathing

Answer

Digesting

Answer

Growing

Question 54

Which of these is NOT a stage in a plant's life?

Accepted Answer

Caterpillar

Answer

Seed

Answer

Flower

Answer

Leaf

Question 55

Where on a flower do we find the tiny grains of powder?

Accepted Answer

Stamen

Answer

Petals

Answer

Pistil

Answer

Sepals

Question 56

What is the green stuff inside plants called that helps them use sunlight?

Accepted Answer

Chlorophyll

Answer

Melanin

Answer

Carotene

Answer

Anthocyanin

Question 57

Which type of root helps keep plants standing up tall?

Accepted Answer

Taproot

Answer

Fibrous root

Answer

Adventitious root

Answer

Aerial root

Question 58

Which word means when plants get rid of water from their leaves?

Accepted Answer

Transpiration

Answer

Breathing

Answer

Evaporating

Answer

Sweating

Question 59

Which of these is a plant that does NOT have flowers?

Accepted Answer

Fern

Answer

Rose

Answer

Daisy

Answer

Tulip

Question 60

What are the tiny holes on the leaves of plants called?

Accepted Answer

Stomata

Answer

Pores

Answer

Veins

Answer

Holes

Question 61

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

Accepted Answer

Root

Answer

Stem

Answer

Leaf

Answer

Flower

Question 62

Which of these is a characteristic of a living plant?

Accepted Answer

It can make its own food.

Answer

It can move around.

Answer

It has a pulse.

Answer

It is made of plastic

Question 63

What happens when a plant seed germinates?

Accepted Answer

It grows into a new plant.

Answer

It dries up and dies.

Answer

It turns into a flower.

Answer

It becomes a fruit

Question 64

What is the job of the stem in a plant?

Accepted Answer

To hold the plant up and transport water and food

Answer

To soak up water and food

Answer

To make food

Answer

To store food