Question # 1

The germs whihc cause typhoid.

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Fertilizer

Sewerage water

Factories substances

Insecticides

All living organisms needs of.

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Food

Water

Oxygen

Allof these

Polluted sewerage water is caused of

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Air pollution

Water pollution

Land pollution

Environmental pollution

The germs present in it cause typhoid.

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Sewerage water

Fertilizers

Factory waste

Insecticides

___________ is used in refrigerator.

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CFL

CBC

Chloroflourocarbon

BFC

Agricultural and poisosous substances of factories are also the cause of.

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Air pollution

Environmental pollution

Land pollution

Water pollution

The substances cause pollution are called.

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Pollutants

analysts

Creator

Consumers

Any change in he environment which is harmful for living things is called.

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Pollution

Pollutant

disease

Fithy

the inclusion of unnecessary and harmful substanes in the eavironment that make it unsuitable for life is called.

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Neat and cleanliness

Environmental pollution

Air pollution

Clean environmental

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Science 5th Class Chapter 4 Online Test MCQs With Answers

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