CBSE Class-6 Science: Questions 266 - 272 of 318

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Question number: 266

» Water » How Much Water Do We Use? » Use of Water

MCQ▾

Question

In a hydroelectric power plant electricity is produced from:

Choices

Choice (4) Response

a.

Coal

b.

Water

c.

Oil or gas

d.

Question does not provide sufficient data or is vague

Question number: 267

» Water » Rains » Excessive Rains-Floods

MCQ▾

Question

Coastal areas face the double danger of:

Choices

Choice (4) Response

a.

Floods

b.

Cyclones

c.

Tsunamis

d.

All of the above

Question number: 268

» Electricity and Circuits » A Bulb Connected to an Electric Cell » Different Arrangements of Electric Cell and Bulb

MCQ▾

Question

A small electric bulb, which produces light when a torch is switched on, is?

Choices

Choice (4) Response

a.

Electric cell

b.

Dry cell

c.

Bulb

d.

Torch Bulb

Question number: 269

» Electricity and Circuits » A Bulb Connected to an Electric Cell » Different Arrangements of Electric Cell and Bulb

MCQ▾

Question

A torch bulb converts electricity into

Choices

Choice (4) Response

a.

Mechanical other energy

b.

Light Energy

c.

Heat Energy

d.

Sound energy

Question number: 270

» Electricity and Circuits » Electric Switch » Concept of Electric Switch

MCQ▾

Question

Switch is a simple device used to:

Choices

Choice (4) Response

a.

Open or close a circuit

b.

Open a circuit

c.

Close a circuit

d.

Connect the circuit

Question number: 271

» Water » How Much Water Do We Use? » Use of Water

MCQ▾

Question

Water is used in agriculture for growing:

Choices

Choice (4) Response

a.

Crop plants

b.

Plants like cotton and jute

c.

For growing fishes

d.

All a. , b. and c. are correct

Question number: 272

» Electricity and Circuits » Electric Cell » Functioning of Electric Cell

MCQ▾

Question

Electric cells aresafe source of electricity which we can use for performing experiments because:

Choices

Choice (4) Response

a.

It provides much less electricity

AND

They are easily available

b.

Two terminals of a cell connected through wires

c.

Containing device such as switch or torch bulb etc.

d.

All a. , b. and c. are correct

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