Pollution of Air and Water-Water Pollution [CBSE (Central Board of Secondary Education) Class-8 Science]: Questions 1 - 7 of 7

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Question 1

Question MCQ▾

Different methods used to purify water are:

Choices

Choice (4)Response

a.

Use the physical method of removing impurities

AND

Ultraviolet rays

b.

Chlorination

c.

Boiling

d.

All a., b. and c. are correct

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Question 2

Question MCQ▾

Water treatment plant should be installed in all:

Choices

Choice (4)Response

a.

Companies

b.

Houses

c.

Industrial areas

d.

Question does not provide sufficient data or is vague

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Question 3

Question MCQ▾

Water treatment process can be categorized as:

Choices

Choice (4)Response

a.

Domestic water treatment

b.

Industrial water treatment

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

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Question 4

Question MCQ▾

GAP is a:

Choices

Choice (4)Response

a.

Garbage Action plan

b.

Ganga action plan

c.

Ground water pollution

d.

Ground water Action Plan

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Question 5

Question MCQ▾

Water gets polluted due to:

Choices

Choice (4)Response

a.

Indirect sources

b.

Direct sources

c.

Both a. and b. are correct

d.

None of the above

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Question 6

Question MCQ▾

Water which is suitable for drinking is called as:

Choices

Choice (4)Response

a.

Potable water

b.

Chlorinated water

c.

Impure water

d.

Boiled water

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Question 7

Question MCQ▾

Water pollution can be reduced by:

Choices

Choice (4)Response

a.

Apply natural pesticides and fertilizers

AND

Use of less water

b.

Use environmentally friendly household products

c.

Dispose of toxic products with care

AND

Don՚t litter

d.

All a., b. and c. are correct

Edit