CBSE Class 3 Social Science Our Environment MCQs

Question: Pollution is the process of making the environment

a) dirty

b) happy

c) clean

Answer: dirty

Question: The substance which pollutes the environment is called the

a) pollutant

b) environment

c) air

Answer: pollutant

Question: The types of pollutions are

a) all of these

b) water pollution

c) air pollution

d) noise pollution

Answer: all of these

Question: The Earth’s atmosphere is made up of these gases

a) all of these

b) nitrogen

c) oxygen

d) carbon dioxide

Answer: all of these

Question: Air pollution causes due to

a) both

b) smoke

c) fire crackers

d) none of these

Answer: both

Question: Trees release the gas

a) oxygen

b) carbondioxide

c) helium

d) nitrogen

Answer: oxygen

Question: Air pollution causes

a) global warming

b) happiness

c) population

d) cold

Answer: global warming

Question: When harmful substances are releases into the water bodies it is called

a) water pollution

b) noise pollution

c) air pollution

d) soil pollution

Answer: water pollution

Question: We need water for doing

a) all of these

b) bathing

c) cooking

d) drinking

Answer: all of these

Question: Whenever we hear very loud noise it cause-

a) irritation

b) comfort

c) happiness

d) all of these

Answer: irritation

Question: Noise is produced from these sources

a) all of these

b) fire crackers

c) vehicles

d) loud music

Answer: all of these

Question: Noise pollution can cause

a) loss of learning

b) cold & cough

c) none of these

d) breathing problem

Answer: loss of learning

Question: Harmful substances when dumped in the soil.

a) soil pollution

b) air pollution

c) water pollution

d) noise pollution

Answer: soil pollution

Question: Farmers use pesticides to save crops from

a) insects

b) humans

c) doctors

d) friends

Answer: insects

Question: We must keep our surroundings

a) neat & clean

b) wet

c) dirty

d) none of these

Answer: neat & clean

Question: Which one is a bad habit?

a) all of these

b) chewing tobacco

c) smoking

d) spitting on roads

Answer: all of these

Question: How can we help the environment

a) all of these

b) reusing waste

c) reducing waste

d) recycling waste

Answer: all of these

Question: Waste water and human excreta is called

a) sewage

b) scrap

c) yield

d) none of these

Answer: sewage

Question: Loud speakers, fire crackers and honking of vehicles causes

a) air pollution

b) soil pollution

c) water pollution

d) noise pollution

Answer: air pollution

Question: ___________ is a harmful gas which causes air pollution

a) carbondioxide

b) nitrogen

c) oxygen

d) none of these

Answer: carbondioxide