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WorksheetsOUR ENVIRONMENT(REVISION PT-1)
Total questions: 12
Worksheet time: 7mins
Name
Class
Date
1.
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
2.
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
3.
___ is waste obtained from plants and animals.
a)
Biodegradable waste
b)
Non-biodegradable waste
4.
What is the definition of Biotic factors?
a)
Dead things
b)
plants
c)
Living things or organisms
d)
soil
5.
What is the definition of Abiotic factors?
a)
Alive organisms or things
b)
Dead things or organisms
c)
panda
d)
insect
6.
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.
7.
The 3rs include reduce,reuse and____
a)
Dustbin
b)
Recycle
c)
Waste
8.
Identify the given picture
a)
b)
Biodegradable waste
c)
3rs recycle, reuse, reduce
9.
1. Land,water, air, etc, comprise the ...................environment.
a)
Natural
b)
Human
c)
Man-made
d)
Artificial
10.
1. What is an abiotic component of environment?
a)
Table
b)
Water
c)
Human
d)
None of these
11.
Natural environment can be divided into............................types.
a)
Two
b)
Three
c)
Five
d)
Four
12.
What is the study of the interactions among organisms and between organisms and their environments called?
a)
Biology
b)
Ecology
c)
Astronomy
d)
Biosphere
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