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YEAR 6 REVISION (Food chain, Deforestation, Air pollution)

Total questions: 20

Worksheet time: 12mins

Name
Class
Date
1.

Which of these statements best describe a food chain?

a)

Feeding relationship between birds only.

b)

Feeding relationship between mammals and reptiles only.

c)

Feeding relationship between plants and animals.

d)

Feeding relationship between invertebrates only.

2.

Plants make their own food. They are called________.

a)

Consumers

b)

Producers

c)

Herbivores

d)

Dentritivores

3.

Identify the consumers in this food chain.

a)

Grass

b)

Grasshopper

c)

Frog

d)

Python

e)

Eagle

4.

Which of these is a secondary consumer?

a)

Grass

b)

Grasshopper

c)

Frog

d)

Python

e)

Eagle

5.

In which habitat can we find this food chain?

a)

Ocean habitat

b)

Rainforest habitat

c)

Pond habitat

d)

Desert habitat

e)

Grassland habitat

6.

A Lion is an example of animals that eat other animals. It is called a__________.

a)

prey

b)

predator

c)

herbivore

d)

detritivore

7.

What process does this equation describe?

a)

Digestion

b)

Respiration

c)

Transpiration

d)

Photosynthesis

8.

Where does the process in Question 7 take place?

a)

In Flowers

b)

In the stomach

c)

In leaves

d)

In the lungs

9.

This insect represents a ____________ in a food chain.

a)

Primary consumer

b)

Secondary consumer

c)

Tertiary consumer

d)

Quarternary consumer

10.

Plant --->Caterpillar--->Bird--->Snake


The snake in the above food chain represents a __________ consumer.

a)

primary

b)

secondary

c)

tertiary

d)

quarternary

11.

Deforestation can be described as a process of _______.

a)

growing forests by planting new trees

b)

destroying forests by cutting down trees

c)

relocating forests

d)

visiting forests for tourism

12.

Identify the reasons for deforestation. Tick all that apply.

a)

To collect wood to make furniture.

b)

To improve the quality of the trees.

c)

To clear land for cities.

d)

To stop global warming

13.

Which of these is not an effect of deforestation?

a)

A. Poor quality soil due to no rotting leaves to make compost.

b)

B. Loss of biodiversity

c)

C. The massive production of oxygen for animals.

d)

A and C only

14.

The increasing concentrations of greenhouse gases (CO2) in the atmosphere leads to ___________.

a)

Deforestation

b)

Global warming

c)

Afforestation

d)

Medicines

15.

Buying second-hand wooden furniture is a good way to conserve forests. Explain why.

4 lines
16.

Substances that make our air unsafe and unhealthy are called _______.

a)

Pollutes

b)

Pollutants

c)

Pollution

d)

Bronchitis

17.

Identify two substances that make our air unhealthy.

a)

Oxygen

b)

Carbon monoxide

c)

Sulfur dioxide

d)

Nitrogen

18.

Coal and oil burnt in factories give off _________.

a)

Carbon dioxide

b)

Sulfur dioxide

c)

Nitrogen oxide

d)

Pure Oxygen

19.

Cars, motorcycles, buses and trucks give off _________.

a)

Carbon dioxide

b)

Carbon monoxide

c)

Nitrogen oxide

d)

Sulfur dioxide

20.

Air pollution can lead to all of these except_______.

a)

Asthma

b)

Ulcer

c)

Bronchitis

d)

Unhealthy lungs