NCERT Class 9 Science-Natural Resources[Water: A Wonder Liquid] [NCERT Based General Studies (GS)]: Questions 1 - 6 of 7

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Question 1

Question MCQ▾

Freshwater is obtained from:

Choices

Choice (4)Response

a.

Groundwater

b.

Surface water

c.

Rainwater

d.

All a., b. and c. are correct

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Question 2

Question MCQ▾

Domestic sewage pollutes the water leads to diseases such as:

Choices

Choice (4)Response

a.

Tuberculosis, paratyphoid fever

b.

Hepatitis, Polio, infections of eyes

c.

Cholera, typhoid, dysentery

d.

All a., b. and c. are correct

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Question 3

Question MCQ▾

Different methods to control the water pollution are:

Choices

Choice (4)Response

a.

Recycling, reverse osmosis

b.

Treatment of waste water, judicious use of pesticides and fertilizers

c.

Recirculation of waste material

d.

All a., b. and c. are correct

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Question 4

Question MCQ▾

Surface run off also causes water pollution such as:

Choices

Choice (4)Response

a.

Pesticides

b.

DDT, BHC

c.

Fertilizers

d.

All a., b. and c. are correct

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Question 5

Question MCQ▾

Technique used to capture and store rainwater is called as:

Choices

Choice (4)Response

a.

Rain water harvesting

b.

Lagoon or trenches

c.

Underground water resources

d.

All a., b. and c. are correct

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Question 6

Question MCQ▾

Water is important because:

Choices

Choice (4)Response

a.

Used by human being for daily activities, transportation, hydel projects, industries raising fish

b.

Determines weather conditions of an area

c.

Essential for sustenance of life

d.

All a., b. and c. are correct

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