Environmental Content-Water (CTET Paper-I Environmental Studies): Questions 5 - 8 of 11

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Question number: 5

» Environmental Content » Water

Appeared in Year: 2012

MCQ▾

Question

A fish dies when it is put in an aquarium filled with previously boiled water but cooled to room temperature. This happens because the water in the aquarium is – (January)

Choices

Choice (4) Response

a.

Depleted in oxygen

b.

Depleted in minerals

c.

Unfit for swimming by fish

d.

Unfit for drinking by fish

Question number: 6

» Environmental Content » Water

Appeared in Year: 2011

MCQ▾

Question

The difference between boiling and evaporation is that – (July)

Choices

Choice (4) Response

a.

Boiling causes a change of state of water while evaporation does not

b.

Changing of boiling liquid into vapour can be seen but evaporation cannot be seen

c.

Evaporation can take place at any temperature while boiling cannot

d.

Boiling causes reduction in volume of liquid while evaporation does not

Question number: 7

» Environmental Content » Water

Appeared in Year: 2012

MCQ▾

Question

Rekha’s mother adds Phitkari (Alum) to water collected from the pond every day in order to – (January)

Choices

Choice (4) Response

a.

Decolourize water

b.

Sediment light suspended impurities

c.

Kill germs in water

d.

Change hard water into soft water

Question number: 8

» Environmental Content » Water

Appeared in Year: 2012

MCQ▾

Question

Which one of the following best describes the features on the surface of the Moon? – (January)

Choices

Choice (4) Response

a.

No air, no gravity, no water

b.

No water, deep craters, high mountains

c.

No water, enough air, high mountains

d.

No air, no gravity, smooth surface

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