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Natural Unit 4: Plants

Total questions: 40

Worksheet time: 20mins

Name
Class
Date
1.

We can classify plants into...


(Multiple answers)

a)

Grasses

b)

Bushes

c)

Trees

d)

Flowers

e)

Seeds

2.

Which type of plant has a thin, flexible stem?

a)

Grasses

b)

Bushes

c)

Trees

3.

Which type of plant has a thick, hard stem with low branches?

a)

Grasses

b)

Bushes

c)

Trees

4.

Which type of plant has a trunk and high branches?

a)

Grasses

b)

Bushes

c)

Trees

5.
a)

Grass

b)

Bushes

c)

Trees

6.
a)

Grass

b)

Bushes

c)

Trees

7.
a)

Grass

b)

Bushes

c)

Trees

8.

Which plants use seeds to reproduce?

a)

Flowering

b)

Non-flowering

9.

Flowering plants produce _____________ with seeds.

a)

Fruit

b)

Leaves

c)

Seeds

d)

Spores

10.

Flowering plants that produce fruit are called...

a)

Gymnosperms

b)

Angiosperms

11.

Flowering plants that do NOT produce fruit are called...

a)

Gymnosperms

b)

Angiosperms

12.

Gymnosperms develop their seeds inside cones.

a)

True

b)

False

13.

Gymnosperm or Angiosperm?

a)

Gymnosperm

b)

Angiosperm

14.

Gymnosperm or Angiosperm?

a)

Gymnosperm

b)

Angiosperm

15.

Which is a non-flowering plant?

a)

Mosses

b)

Pine Trees

c)

Apple Trees

d)

Fir Trees

16.

Non-flowering plants produce seeds.

a)

True

b)

False

17.

Non-flowering plants produce tiny...

a)

Spores

b)

Seeds

c)

Cones

18.
a)

Mosses

b)

Ferns

19.
a)

Mosses

b)

Ferns

20.

What part of a flower is number 1.

a)

Sepal

b)

Stamen

c)

Stigma

d)

Ovary

e)

Petals

21.

What part of a flower is number 2.

a)

Sepal

b)

Stamen

c)

Stigma

d)

Ovary

e)

Petals

22.

What part of a flower is number 3.

a)

Sepal

b)

Stamen

c)

Stigma

d)

Ovary

e)

Petals

23.

What part of a flower is number 4.

a)

Sepal

b)

Stamen

c)

Stigma

d)

Ovary

e)

Petals

24.

What part of a flower is number 5.

a)

Sepal

b)

Stamen

c)

Stigma

d)

Ovary

e)

Petals

25.

What are the small green leaves that protect the flower?

a)

Sepals

b)

Stamens

c)

Stigma

d)

Ovary

e)

Petals

26.

The male reproductive organs that produce pollen.

a)

Sepals

b)

Stamens

c)

Stigma

d)

Ovary

e)

Petals

27.

The part of the flower that receives pollen.

a)

Sepals

b)

Stamens

c)

Stigma

d)

Ovary

e)

Petals

28.

The part of the flower where seeds develop.

a)

Sepals

b)

Stamens

c)

Stigma

d)

Ovary

e)

Petals

29.

Pollination is when pollen travels from the stamen to the inside of the stigma.

a)

True

b)

False

30.

What is photosynthesis?

a)

How plants make their own food

b)

How plants reproduce

c)

How plants breathe

31.

Photosynthesis only occurs during the day.

a)

True

b)

False

32.

What do plants need to do photosynthesis?


(Multiple answers)

a)

Water

b)

Carbon Dioxide

c)

Minerals

d)

Sunlight

e)

Oxygen

33.

This absorbs water and minerals from the soil.

a)

Roots

b)

Stem

c)

Leaves

34.

The water and minerals travel up this.

a)

Roots

b)

Stem

c)

Leaves

35.

These abosorb carbon dioxide from the air.

a)

Roots

b)

Stem

c)

Leaves

36.

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

a)

True

b)

False

37.

Order the process of photosynthesis.


First...

a)

The roots absorb water and minerals from the soil.

b)

The water and minerals travel up the stem to the leaves.

c)

The leaves take in carbon dioxide from the air.

d)

Using sunlight, the carbon dioxide combines with water and minerals to make food and oxygen.

38.

Order the process of photosynthesis.


Second...

a)

The roots absorb water and minerals from the soil.

b)

The water and minerals travel up the stem to the leaves.

c)

The leaves take in carbon dioxide from the air.

d)

Using sunlight, the carbon dioxide combines with water and minerals to make food and oxygen.

39.

Order the process of photosynthesis.


Third...

a)

The roots absorb water and minerals from the soil.

b)

The water and minerals travel up the stem to the leaves.

c)

The leaves take in carbon dioxide from the air.

d)

Using sunlight, the carbon dioxide combines with water and minerals to make food and oxygen.

40.

Order the process of photosynthesis.


Fourth...

a)

The roots absorb water and minerals from the soil.

b)

The water and minerals travel up the stem to the leaves.

c)

The leaves take in carbon dioxide from the air.

d)

Using sunlight, the carbon dioxide combines with water and minerals to make food and oxygen.

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