Science-Class-8 NCERT (NCERT Based General Studies (GS)): Questions 338 - 344 of 468

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Question number: 338

» Science » Class-8 NCERT » Chemical Effects of Electric Current (Chemical Effects of Electric Current)

MCQ▾

Question

The passage of an electric current through a liquid causes chemical changes is called as:

Choices

Choice (4) Response

a.

Electrode

b.

Electrolysis

c.

Electroplating

d.

Question does not provide sufficient data or is vague

Question number: 339

» Science » Class-8 NCERT » Some Natural Phenomena (The Story of Lightning)

MCQ▾

Question

What to do during thunderstorm:

Choices

Choice (4) Response

a.

Unplug all the electrical and electronic equipment

b.

Monitor thunderstorms from indoors

c.

Avoid contact with all sorts of pipes

d.

All a. , b. and c. are correct

Question number: 340

» Science » Class-8 NCERT » Sound (Property of Sound)

MCQ▾

Question

The sound which a normal human can hear is called as:

Choices

Choice (4) Response

a.

Audible sounds

b.

Inaudible sounds

c.

All of the above

d.

Question does not provide sufficient data or is vague

Question number: 341

» Science » Class-8 NCERT » Sound (Property of Sound)

MCQ▾

Question

Ear protectors must be used by the:

Choices

Choice (4) Response

a.

Pneumatic drill operators

b.

Factory workers

c.

Tractors drivers

d.

All a. , b. and c. are correct

Question number: 342

» Science » Class-8 NCERT » Some Natural Phenomena (Earthquakes)

MCQ▾

Question

If you are indoors what to do during earthquake

Choices

Choice (4) Response

a.

Pick a safe place where things will not fall on you

b.

Get under a desk table or bench

c.

Run outside

d.

Both a. and b. are correct

Question number: 343

» Science » Class-8 NCERT » Some Natural Phenomena (Earthquakes)

MCQ▾

Question

Earth is made up of:

Choices

Choice (4) Response

a.

Two layers

b.

Three layers

c.

Four layers

d.

All of the above

Question number: 344

» Science » Class-8 NCERT » Some Natural Phenomena (Transfer of Charge)

MCQ▾

Question

Allowing the charge to flow to the earth is called:

Choices

Choice (4) Response

a.

Earthing

b.

Lightning

c.

Charging

d.

Discharging

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