Plant Life Cycles Quiz: Test Your Knowledge on Plant Growth and Reproduction

Question 1

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

Accepted Answer

Roots

Answer

Leaves

Answer

Stem

Answer

Flowers

Question 2

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

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Reproduction

Answer

Germination

Question 3

What do we call the small plant that grows from a seed?

Accepted Answer

Seedling

Answer

Sprout

Answer

Sapling

Answer

Tree

Question 4

Which of these is NOT a stage in the life cycle of a plant with flowers?

Accepted Answer

Budding

Answer

Seed germination

Answer

Growth

Answer

Fruiting

Question 5

What do the leaves of a plant do?

Accepted Answer

Take in sunlight

Answer

Store water

Answer

Hold the plant up

Answer

Make flowers

Question 6

What is the name of the process where plants spread their seeds?

Accepted Answer

Dispersal

Answer

Pollination

Answer

Fertilization

Answer

Germination

Question 7

What is the first thing that happens when a seed germinates?

Accepted Answer

The seed coat breaks open and a root starts to grow.

Answer

The stem grows.

Answer

The leaves grow.

Answer

The flower blooms.

Question 8

What is the function of chlorophyll in plants?

Accepted Answer

To absorb sunlight for photosynthesis

Answer

To transport water

Answer

To store food

Answer

To produce flowers

Question 9

What is the purpose of pollination?

Accepted Answer

To transfer pollen from the stamen to the pistil

Answer

To attract insects

Answer

To produce seeds

Answer

To disperse seeds

Question 10

What is the name of the structure that contains the seeds in a plant?

Accepted Answer

Fruit

Answer

Flower

Answer

Stem

Answer

Root

Question 11

Which part of the plant uses sunlight to make its own food?

Accepted Answer

Leaf

Answer

Root

Answer

Stem

Answer

Flower

Question 12

What is the very first stage in the life of a plant?

Accepted Answer

Seed germination

Answer

Flowering

Answer

Fruiting

Answer

Seed dispersal

Question 13

Which of these is NOT necessary for a plant to grow?

Accepted Answer

Wind

Answer

Sunlight

Answer

Water

Answer

Nutrients

Question 14

What is the main job of insects and other animals that visit flowers?

Accepted Answer

To carry pollen from one flower to another

Answer

To make the flowers look pretty

Answer

To produce seeds

Answer

To spread the plant's roots

Question 15

Which type of tree loses its leaves in the fall?

Accepted Answer

Oak

Answer

Pine

Answer

Palm

Answer

Cactus

Question 16

What is the purpose of the hard covering on a seed?

Accepted Answer

To protect the seed inside

Answer

To attract birds and animals

Answer

To store food for the seed

Answer

To help the seed absorb water

Question 17

Which of these is a sign that a plant is healthy?

Accepted Answer

Strong stems

Answer

Drooping leaves

Answer

Yellow leaves

Answer

Holes in the leaves

Question 18

What is the process called when plants use sunlight to make food?

Accepted Answer

Photosynthesis

Answer

Breathing

Answer

Germination

Answer

Transpiration

Question 19

Which of the following is NOT a stage in the plant life cycle?

Accepted Answer

Harvesting

Answer

Germination

Answer

Flowering

Answer

Seed dispersal

Question 20

What is the first stage in the plant life cycle?

Accepted Answer

Germination

Answer

Growth

Answer

Flowering

Answer

Seed dispersal

Question 21

What part of the plant produces seeds?

Accepted Answer

Flowers

Answer

Leaves

Answer

Roots

Answer

Stems

Question 22

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

Accepted Answer

Germination

Answer

Pollination

Answer

Fertilisation

Answer

Ripening

Question 23

What is a special plant feature that helps it make its own food?

Accepted Answer

Green leaves that contain chlorophyll

Answer

Roots that absorb water and nutrients

Answer

Flowers that attract insects

Answer

Stems that support the plant

Question 24

What is the job of the roots in a plant?

Accepted Answer

To absorb water and nutrients from the soil

Answer

To hold the plant upright

Answer

To make flowers and seeds

Answer

To store food for the plant

Question 25

Which type of plant has a strong and woody stem?

Accepted Answer

Tree

Answer

Shrub

Answer

Herb

Answer

Flower

Question 26

What is the name for the process when plants use sunlight to make their own food?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Transpiration

Answer

Fermentation

Question 27

How do ferns and flowering plants reproduce differently?

Accepted Answer

Ferns reproduce by spores, while flowering plants reproduce by seeds.

Answer

Ferns are non-vascular, while flowering plants are vascular.

Answer

Ferns have leaves, while flowering plants do not.

Answer

Ferns are perennials, while flowering plants are annuals.

Question 28

Which of these shows the correct order of stages in a plant's life cycle?

Accepted Answer

Seed, Germination, Flowering, Fruiting

Answer

Fruiting, Seed, Germination, Flowering

Answer

Germination, Seed, Flowering, Fruiting

Answer

Flowering, Fruiting, Germination, Seed

Question 29

Which of the following is NOT a part of a plant?

Accepted Answer

Fur

Answer

Stem

Answer

Roots

Answer

Leaves

Question 30

What is the first step in the life cycle of a plant?

Accepted Answer

Germination

Answer

Growth

Answer

Flowering

Answer

Reproduction

Question 31

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

Accepted Answer

Roots

Answer

Stem

Answer

Leaves

Answer

Flowers

Question 32

What process do plants use to make their own food?

Accepted Answer

Photosynthesis

Answer

Pollination

Answer

Respiration

Answer

Germination

Question 33

Which of the following is NOT a factor that affects plant growth?

Accepted Answer

Gravity

Answer

Sunlight

Answer

Water

Answer

Temperature

Question 34

What do plants produce during the flowering stage of their life cycle?

Accepted Answer

Seeds

Answer

Roots

Answer

Stems

Answer

Leaves

Question 35

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

Accepted Answer

Chlorophyll

Answer

Oxygen

Answer

Carbon dioxide

Answer

Water

Question 36

Which of these plants has a long root that goes deep into the ground?

Accepted Answer

Carrot

Answer

Grass

Answer

Daisy

Answer

Fern

Question 37

What happens when a seed starts to grow?

Accepted Answer

It absorbs water and starts to sprout

Answer

It dries out and becomes hard

Answer

It makes flowers

Answer

It grows a root system

Question 38

How do light and heat help plants grow?

Accepted Answer

Light helps plants make food, and heat helps them grow taller.

Answer

Light helps plants grow taller, and heat helps them make food.

Answer

Heat helps plants make food, and light helps them grow taller.

Question 39

Which part of a plant produces seeds?

Accepted Answer

Flower

Answer

Root

Answer

Stem

Answer

Leaf

Question 40

Scientists want to investigate how different amounts of light affect plant growth. Which method would be the best way to do this?

Accepted Answer

Growing plants in a controlled environment with different amounts of light

Answer

Observing plants in different places with different amounts of natural light

Answer

Asking an expert about how light affects plant growth

Answer

Reading books about how light affects plant growth

Question 41

Which part of the plant absorbs water and nutrients from the soil?

Accepted Answer

Roots

Answer

Stem

Answer

Leaves

Answer

Flowers

Question 42

What is the very first part of a plant's life?

Accepted Answer

A tiny seed

Answer

A colorful flower

Answer

A long root

Answer

A green leaf

Question 43

What is the very first stage in the life of a plant that produces flowers?

Accepted Answer

A seed

Answer

A flower

Answer

A fruit

Answer

A leaf

Question 44

What is the first stage in the life cycle of a plant?

Accepted Answer

Germination

Answer

Seed formation

Answer

Growth

Question 45

What do seeds need to germinate?

Accepted Answer

Water, air and warmth

Answer

Soil, sunlight and wind

Answer

Nutrients, water and oxygen

Question 46

Which part of the seed grows into the root?

Accepted Answer

Radicle

Answer

Seed coat

Answer

Hypocotyl

Question 47

Which of the following is not a part of a flower?

Accepted Answer

Leaf

Answer

Petal

Answer

Stem

Question 48

What is the male part of a flower called?

Accepted Answer

Anther

Answer

Stigma

Answer

Pistil

Question 49

What happens after pollination?

Accepted Answer

Fertilization

Answer

Seed dispersal

Answer

Germination

Question 50

What is the function of the fruit in a plant?

Accepted Answer

To protect and disperse seeds

Answer

To attract pollinators

Answer

To store food

Question 51

What is the very first stage in the life cycle of a plant?

Accepted Answer

Germination

Answer

Growth

Answer

Reproduction

Answer

Seed dispersal

Question 52

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

Accepted Answer

Root

Answer

Stem

Answer

Leaf

Answer

Flower

Question 53

What is the process where plants use sunlight to make their own food called?

Accepted Answer

Photosynthesis

Answer

Pollination

Answer

Respiration

Answer

Decomposition

Question 54

Which of these is NOT a factor that can affect a plant's growth?

Accepted Answer

How heavy it is

Answer

Sunlight

Answer

Water

Answer

Temperature

Question 55

What is the main purpose of the flower in a plant's life cycle?

Accepted Answer

Reproduction

Answer

Photosynthesis

Answer

Water absorption

Answer

Food storage

Question 56

What is the term for when a plant begins to grow from a seed?

Accepted Answer

Germination

Answer

Pollination

Answer

Fertilisation

Answer

Maturation

Question 57

Which of these is an example of a plant that doesn't have flowers?

Accepted Answer

Fern

Answer

Rose

Answer

Sunflower

Answer

Daisy

Question 58

What is the very first stage in the life cycle of a plant?

Accepted Answer

Germination

Answer

Seed dispersal

Answer

Growth

Answer

Reproduction

Question 59

What do we call the process when a seed starts to grow?

Accepted Answer

Germination

Answer

Photosynthesis

Answer

Respiration

Answer

Transpiration

Question 60

Which part of the plant sucks up water and nutrients from the dirt?

Accepted Answer

Roots

Answer

Stem

Answer

Leaves

Answer

Flowers

Question 61

When does a plant make seeds?

Accepted Answer

Reproduction

Answer

Germination

Answer

Growth

Answer

Dispersal

Question 62

What is the name of the process where plants use the sun to make their own food?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Germination

Answer

Transpiration

Question 63

Which part of the plant sends water and nutrients all around?

Accepted Answer

Stem

Answer

Root

Answer

Leaf

Answer

Flower

Question 64

Which of these is NOT a part of the life cycle of a flower?

Accepted Answer

Germination

Answer

Pollination

Answer

Fertilisation

Answer

Dispersal