CBSE Class-6 Science: Questions 225 - 231 of 318

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Question number: 225

» Water » Source of Water » Water Bodies

MCQ▾

Question

Biggest source of water on earth is:

Choices

Choice (4) Response
a.

Rivers

b.

Rain

c.

Oceans

d.

Glaciers

Question number: 226

» Electricity and Circuits » Electric Conductors and Insulators » Electric Conductors

MCQ▾

Question

Materials, which allow electric current to pass through them, are called as:

Choices

Choice (4) Response
a.

Conductors

b.

Insulators

c. All of the above
d. None of the above

Question number: 227

» Air Around Us » Composition of Air » Dust and Smoke

MCQ▾

Question

Sources of dust particles present in the air are:

Choices

Choice (4) Response
a.

Blowing of wind

b.

Dusting at home, earth moving operations

c.

Traffic on the road

d. All a. , b. and c. are correct

Question number: 228

» Water » Conservation of Water » Rainwater Harvesting

MCQ▾

Question

Rain water harvesting is done:

Choices

Choice (4) Response
a.

To avoid drought

b.

To increase the availability of water to overcome its shortage

c.

To avoid floods

d. None of the above

Question number: 229

» Air Around Us » Oxygen for Aquatic Animals & Plants » Air in Soil

MCQ▾

Question

A lump of cotton wool shrink when put in water:

Choices

Choice (4) Response
a.

Because it is light in weight

b.

Because it is white in colour

c.

Because it contains a lot of air in large spaces between its fibres

d. All of the above

Question number: 230

» Electricity and Circuits » Electric Cell » Composition of an Electric Cell

MCQ▾

Question

Metal cap and metal disc are which type terminals in the electric cells:

Choices

Choice (4) Response
a.

Positive terminal and negative terminal

b.

Metal cap is positive terminal and metal disc is negative terminals

c. All of the above
d. Question does not provide sufficient data or is vague

Question number: 231

» Water » Conservation of Water » Rainwater Harvesting

MCQ▾

Question

The purpose of recharge well is:

Choices

Choice (4) Response
a.

To recharge the ground water

b.

To collect vast amount of water

c.

To collect vast amount of water falling on ground quickly when it rains and make it seep into soil gradually

d. Question does not provide sufficient data or is vague

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