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Worksheets

Plants System

Total questions: 35

Worksheet time: 17mins

Name
Class
Date
1.

The leaves of a plant are arranged in this way so that they can

a)

collect more rain water for the tree

b)

give more shade to the rest of the tree

c)

trap more sunlight to make food

d)

transfer water to the stem of the tree

2.

Plant A grows more healthily because its stem can climb up a support to spread the leaves out to get (a)   and make food.

3.

What are the functions of the roots? (Tick 2)

a)

To take in and give out gases for the plant.

b)

To absorb water and minerals from the soil.

c)

To hold the plant firmly to the soil.

d)

To make food for the plant.

4.

What are the functions of the stem? (Tick 2)

a)

To hold the leaves up so they can get light to make food.

b)

To absorb water and minerals.

c)

To support the plant.

d)

To help the plant to take in and give out gases.

5.

A plant is a (a)   because it is made up of parts.

6.

Daisy carry out an experiment to find out if the roots of a plant absorb water or not. Which two of the set-ups should she choose?

a)

A and C

b)

A and D

c)

A and B

d)

C and D

7.

Ali took four identical plants, A, B, C and D, and removed some parts from each plant as shown in the table above.

Which plant will survive the longest?

a)

A

b)

B

c)

C

d)

D

8.

Adam, Bel, Calvin and Darren made some observations about plants.

Whose observation is correct?

a)

Adam

b)

Bel

c)

Calvin

d)

Darren

9.

What are found on the leaves to allow gases to be taken in and given out?

a)

holes

b)

tiny openings

c)

veins

d)

hair

10.

Photosynthesis is _______________________.

a)

how plants use sunlight to produce food

b)

how plants release water to the air

c)

how plants use sugars and oxygen to produce energy to grow

11.
Plants make food using ____________ and _________ in the presence of sunlight.
a)
water, oxygen 
b)
water, carbon dioxide 
c)
minerals, oxygen
d)
minerals, carbon dioxide
12.
What are the products of photosynthesis?
a)
Carbon dioxide and water
b)
Carbon dioxide and oxygen
c)
Glucose and oxygen
d)
Glucose and water
13.

Besides food, what do green plants need for respiration?

a)

Oxygen

b)

Carbon dioxide

c)

Sunlight

d)

Water

14.

Are plants systems and why?

a)

Yes because they have different parts that work together

b)

Yes because they have different parts that do not work together

c)

No because only humans are systems

15.

What are the three basic parts of plants?

a)

Leaves, sunlight, minerals

b)

Leaves, stems, roots

c)

Water, roots, stems

16.

Which of the following statements is not true?

a)

The roots of some plants do not grow in soil

b)

The roots of a plant carry water to different parts of the plant

c)

The roots of a plants help to hold the plant firmly to the ground.

d)

The roots of a plants take in water and dissolved minerals from the soil

17.

The leaves, stem, and roots must work together for the plant to survive

a)

True

b)

False

18.

Which statement below describes how flowers allow plants to reproduce?

a)

flowers create seeds once they are pollinated

b)

flowers absorb sunlight and carbon dioxide to create seeds

c)

flowers absorb water and sunlight to create seeds

d)

flowers are pollinated by absorbing sunlight and then create seeds

19.

The shoot system consists of the following except:

a)

upright stem

b)

leaves

c)

buds

d)

roots

20.

Most water enters a plant through

a)

stem

b)

root hairs

c)

leaves

d)

flower

21.

How does water flow through a plant (from entry to exit)?

a)

stem-root-leaves

b)

leaves-stem-root

c)

root-stem-leaves

d)

root-leaves-stem

22.

Plants get their water for photosynthesis from here

a)

soil

b)

air

c)

river

d)

pond

23.

This green pigment absorbs energy from sunlight

a)

chloroplast

b)

chlorophyll

c)

chromosome

d)

chloramphenicol

24.

What will happen to the plant if the roots are removed completely?

a)

The plant cannot get water and mineral salts from the ground.

b)

The plant cannot absorb sunlight to make its own food

c)

The plant cannot produce any gas

d)

The plant cannot get oxygen

25.

Living things that makes its own food

a)

Mammal

b)

Plant

c)

Bird

d)

Reptile

26.

Which of the following statements about the usefulness of plants is not true?

a)

They make food and store it in various parts, providing food for us

b)

They take in carbon dioxide during photosynthesis, keeping that air fresh

c)

Plants do not respire all the time so they do not compete with humans for air

d)

They take in water through their roots and lose it through their leaves, keeping the air humid

27.

Which of the following would not be found in the transport system of a plant?

a)

blood

b)

mineral salts

c)

food

d)

water

28.

 The stem supports a plant and holds its leaves up. What other function does it have?

a)

Absorbing water and minerals

b)

Holding the plant firmly to the ground

c)

Carrying food from the roots to other parts of the plant

d)

Carrying water and minerals from the roots to other parts of the plant

29.

Which part(s) of the plant and has transporting tubes to transport mineral salt, water and food?

a)

S

b)

P

c)

Q

d)

R

30.

Students observed a plant left by a window over several days. The plant was watered daily. After three days, the plant began to grow towards the window as shown in the picture.


Which of the following best explains the student’s observations?

a)

Heat from the Sun caused the plant to grow towards the window.

b)

The plant is leaning towards the window to get fresh air.

c)

The plant is responding to the stimulus of sunlight.

d)

The plant is responding to water in the air and growing towards it.

31.

Four of Mrs Singh's pupils made a statement each about the tubes in the stem of a plant.

Anna : The tubes carry food

Bee Choo : The tubes carry air

Chandra : The tubes carry water

Dave : The tubes carry nutrients

Which of the pupils was/were correct?

a)

Anna only

b)

Chandra only

c)

Bee Choo and Dave

d)

Anna, Chandra and Dave

32.

Which of the following shows the correct change in the rate at which plants make food as the amount of light changes?

a)

(1)

b)

(2)

c)

(3)

d)

(4)

33.

A pupil observed some trees in a forest.

Which of the following best explains why the trees grow very straight and tall?

a)

The leaves can receive more air

b)

The leaves can receive more water

c)

The leaves can receive more sunlight

d)

The leaves can receive more mineral salts

34.

Raju tied a black plastic bag around the top pat of a plant. He placed it on the window sill and watered it every day.

After a few days, the plant died. Which of the following part(s) could not carry out its/their function and caused the plant to die?

a)

stem

b)

roots

c)

leaves

d)

flowers

35.

The graph below shows the average length of the roots in four plants, P, Q, R and S.

Which of the plants is/are more likely to survive better in an area with little rainfall?

a)

P only

b)

Q only

c)

P and S only

d)

Q and R only