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Science Quiz - Life Cycles - Plants (Questions)

Plants grow, change, and reproduce through life cycles. In KS2 Science, pupils explore how seeds, flowers, and fruits continue the journey of plant survival.

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Fascinating Fact:

Some desert plants keep their seeds dormant for years until rain arrives, then they quickly grow and flower before the soil dries out again.

In KS2 Science, pupils study how plants grow from seeds, develop flowers, and create new seeds. These life cycles ensure plants reproduce and carry on their species.

Key Terms

Germination: The process of a seed starting to grow into a new plant.
Pollination: The transfer of pollen from one flower to another, often by insects or wind.
Seed Dispersal: The way seeds are spread to new places, such as by animals, wind, or water.

Frequently Asked Questions (Click to see answers)

What are the main stages of a plant’s life cycle?

A plant’s life cycle includes germination, growth, flowering, pollination, seed formation, and seed dispersal.

Why is pollination important for plants?

Pollination allows plants to produce seeds, which are necessary for making new plants and continuing the species.

How do plants spread their seeds?

Plants spread seeds by animals carrying them, the wind blowing them, or water floating them to new places.

Try These Related Quizzes

1.

Which of the following is true?

[ ]	All plants grow from seeds
[ ]	All plants have flowers
[ ]	All plants can reproduce
[ ]	All plants have fruit

2.

Which of the following words describes the moment a seed begins to grow?

[ ]	Pollination
[ ]	Dispersal
[ ]	Flowering
[ ]	Germination

3.

What is dispersal?

[ ]	The ripening of a seed pod
[ ]	The method by which a plant spreads its seeds
[ ]	The transfer of pollen to the stigma
[ ]	The length of time it takes a seed to germinate

4.

Which part of a flowering plant is male?

[ ]	Stamen
[ ]	Stigma
[ ]	Petals
[ ]	Seeds

5.

Which part of a flowering plant grows into a fruit?

[ ]	Petals
[ ]	Stem
[ ]	Seed
[ ]	Ovary

6.

Which of the following plants disperses its seeds by wind?

[ ]	Beech trees
[ ]	Dandelions
[ ]	Apple trees
[ ]	Poppies

7.

What do seeds need in order to germinate?

[ ]	Water and soil
[ ]	Sunlight and soil
[ ]	Water and warmth
[ ]	Sunlight and warmth

8.

Why do plants need sunlight?

[ ]	Plants use sunlight to make food
[ ]	Sunlight makes plants warm
[ ]	Sunlight allows plants to flower
[ ]	Sunlight keeps plants from getting too wet

9.

What happens if seeds are planted too closely together?

[ ]	None of the seeds will grow
[ ]	The young plants struggle to compete for moisture and nutrients
[ ]	Only one seed will grow
[ ]	The young plants will be healthier

10.

Flowering plants produce many seeds which never grow. Why do they do this?

[ ]	Because many of the seeds are defective
[ ]	Because some of the seeds will not have enough soil to germinate
[ ]	Because many of the seeds will be eaten by animals, blown away by the wind, or washed away
[ ]	Because some seeds will not receive enough food to survive

You can find more about this topic by visiting BBC Bitesize - What are the stages of a plant's life cycle?

Science Quiz - Life Cycles - Plants (Answers)

1.

Which of the following is true?

[ ]	All plants grow from seeds
[ ]	All plants have flowers
[x]	All plants can reproduce
[ ]	All plants have fruit

All plants reproduce, but not all plants reproduce by flowering

2.

Which of the following words describes the moment a seed begins to grow?

[ ]	Pollination
[ ]	Dispersal
[ ]	Flowering
[x]	Germination

Seeds need certain conditions before they can germinate

3.

What is dispersal?

[ ]	The ripening of a seed pod
[x]	The method by which a plant spreads its seeds
[ ]	The transfer of pollen to the stigma
[ ]	The length of time it takes a seed to germinate

Plants have several methods of dispersing seeds - by wind, by explosion, by animal, even by water - coconut palms can disperse their seeds (coconuts) by sea

4.

Which part of a flowering plant is male?

[x]	Stamen
[ ]	Stigma
[ ]	Petals
[ ]	Seeds

The stamen produces pollen

5.

Which part of a flowering plant grows into a fruit?

[ ]	Petals
[ ]	Stem
[ ]	Seed
[x]	Ovary

The fertilised ovary, containing seeds, develops into a fruit

6.

Which of the following plants disperses its seeds by wind?

[ ]	Beech trees
[x]	Dandelions
[ ]	Apple trees
[ ]	Poppies

Have you ever blown the seeds from a dandelion clock?

7.

What do seeds need in order to germinate?

[ ]	Water and soil
[ ]	Sunlight and soil
[x]	Water and warmth
[ ]	Sunlight and warmth

Seeds can germinate without light or soil, but cannot germinate in a cold, dry place

8.

Why do plants need sunlight?

[x]	Plants use sunlight to make food
[ ]	Sunlight makes plants warm
[ ]	Sunlight allows plants to flower
[ ]	Sunlight keeps plants from getting too wet

Although seeds can germinate without sunlight, plants need it to make their food, using a process called photosynthesis

9.

What happens if seeds are planted too closely together?

[ ]	None of the seeds will grow
[x]	The young plants struggle to compete for moisture and nutrients
[ ]	Only one seed will grow
[ ]	The young plants will be healthier

Plants need space to spread their roots and stems

10.

Flowering plants produce many seeds which never grow. Why do they do this?

[ ]	Because many of the seeds are defective
[ ]	Because some of the seeds will not have enough soil to germinate
[x]	Because many of the seeds will be eaten by animals, blown away by the wind, or washed away
[ ]	Because some seeds will not receive enough food to survive

The more seeds a plant produces, the better its chance of reproducing