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Environment

Total questions: 35

Worksheet time: 23mins

Name
Class
Date
1.

2.Choose the correct option.

Deforestation means------

a)

destroying forests

b)

planting trees

c)

saving energy

d)

polluting

2.

Land, water, air etc., comprise the _________ environment.

a)

natural

b)

human

c)

man-made

d)

artificial

3.

The thin layer of air that surrounds the earth is ________

a)

Hydrosphere

b)

Atmosphere

c)

Lithosphere

d)

Hemisphere

4.

Which is the life support system among the following?

a)

Transportation

b)

Music system

c)

Television

d)

Environment

5.

Which is an abiotic component of environment?

a)

Table

b)

Water

c)

Human

d)

Plants

6.

When is the World Environment day celebrated?

a)

5th January

b)

5th June

c)

5th August

d)

5th October

7.

Which one of the following is a human made environment?

a)

Mountain

b)

Road

c)

Sea

d)

Oceans

8.

What is the solid of crust of the earth called?

a)

Atmosphere

b)

Biosphere

c)

Lithosphere

d)

Hydrosphere

9.

Which is the life bearing domain on the earth?

a)

Biosphere

b)

Hydrosphere

c)

Lithosphere

d)

Atmosphere

10.

Which is not a natural ecosystem?

a)

Desert

b)

Aquarium

c)

Forest

d)

Mountains

11.

Which is a threat to environment?

a)

Growing plants

b)

Growing population

c)

Growing crops

d)

None of these

12.

It is a system formed by the interaction of all living organisms with each other and with the physical and chemical factors of the environment on which they live.

a)

ecosystem

b)

biosystem

c)

subsystem

d)

multi-system

13.
This picture shows people walking through a highly-polluted city in China. From what type of pollution are they protecting themselves based on what they are wearing?

a)
air pollution
b)
water pollution
c)
land pollution
d)
noise pollution
14.

noise pollution is

a)
b)
c)
15.
All energy on Earth ultimately comes from what source?
a)
Water
b)
Sun
c)
Consumers
d)
Oxygen
16.

What does the Ozone in the atmosphere do?

a)

causes the greenhouse effect

b)

causes acid rain

c)

protects the Earth from harmful infrared (IR) rays

d)

protects the Earth from harmful ultraviolet (UV) rays

17.

Almost 99% of clean air consists of two gases which are

a)

Nitrogen and Carbon dioxide

b)

Oxygen and Argon

c)

Oxygen and Carbon dioxide

d)

Nitrogen and Oxygen

18.

Burning trees releases carbon which contributes to accelerating climate change.

a)

True

b)

False

19.

Land water and air together with all the living organisms make up our

a)

environment

b)

atmosphere

c)

lithosphere

20.
Waste from our homes and factories are dumped into rivers, lakes, and seas, causing ____.
a)
Air pollution
b)
Water pollution
c)
Land pollution
d)
Waste
21.
Increasing levels of carbon dioxide in the air is believed to cause ___.
a)
Global Warming
b)
Water Pollution
c)
Non-biodegradable waste
d)
Recycling
22.
___ is waste obtained from plants and animals.
a)
Biodegradable waste
b)
Non-biodegradable waste
23.
What is the definition of Biotic factors?
a)
Dead things
b)
plants
c)
Living things or organisms
d)
soil
24.
What is recycling?
a)
is to use materials again and again to make something new.
b)
is produce new brand products and sell them.
c)
is living in the developed world but taking care of the nature.
d)
is classify garbage in different colors.
25.
When our planet shakes
a)
flood
b)
avalanche
c)
earthquake
d)
drought
26.
An extremely big wave
a)
tsunami
b)
hurricane
c)
storm
d)
flood
27.
Cars produce a lot of ....
a)
waste
b)
rubbish
c)
pollution
d)
ash
28.

In which habitat will you find this species of bear?

a)

Desert Habitat

b)

Polar Habitat

29.

Which habitat is this?

a)

Desert Habitat

b)

Aquatic Habitat

30.

In which habitat will you find a whale?

a)

Grassland Habitat

b)

Aquatic Habitat

31.

What creates pollution?

a)

water

b)

sunlight

c)

human activity

32.

Oil spill in water bodies is what type of pollution?

a)

Land Pollution

b)

Water Pollution

c)

Noise Pollution

33.

How can we help prevent air pollution?

a)

By burning trash

b)

Spraying chemicals into the air

c)

Walking or riding your bike instead of driving

34.

Which of the following is a source of air pollution?

a)

Difficulty in breathing

b)

Factories

c)

Eye irritation

35.

To help our environment, you should

a)

recycle, remember, and reduce.

b)

reduce, reuse, and recycle.

c)

reuse, replace, and recycle.

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