CBSE Class-8 Science: Questions 324 - 330 of 469

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Question number: 324

» Some Natural Phenomena » Earthquakes » Protection Against Earthquakes

MCQ▾

Question

To avoid injuries during earthquakes put heavy objects and breakable items in:

Choices

Choice (4) Response
a.

Lower cabinets

b.

Upper cabinets

c.

Lower cabinets with latches

d. Question does not provide sufficient data or is vague

Question number: 325

» Chemical Effects of Electric Current » Electroplating » Circuit for Electroplating

MCQ▾

Question

Why tin cans are used for storing food items:

Choices

Choice (4) Response
a.

Because tin is less reactive as compared to iron

b.

Because tin is more reactive as compared to iron

c.

It is a good conductor

d.

It is a good insulator

Question number: 326

» Some Natural Phenomena » Earthquakes » What Causes an Earthquake?

MCQ▾

Question

Countries which fall in moderate Damage Risk Zone are:

Choices

Choice (4) Response
a.

Andaman and Nicobar Islands

b.

Parts of Kashmir

c.

Western Himalayas and Punjab

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

Question number: 327

» Friction » Increasing and Reducing Friction » Sliding Friction

MCQ▾

Question

The friction which comes into play when a body slides over another body is:

Choices

Choice (4) Response
a.

Sliding friction

b.

Drag

c.

Rolling Friction

d. Treading

Question number: 328

» Sound » Human Ear » Functioning of Human Ear

MCQ▾

Question

Which part of ear sense the vibrations of the vibrating body?

Choices

Choice (4) Response
a.

Middle ear

b.

Cochlea

c.

Malleus

d.

Ear drum

Question number: 329

» Friction » Increasing and Reducing Friction » Ball Bearing

MCQ▾

Question

Ball bearings are type of:

Choices

Choice (4) Response
a.

Rollers

b.

Axle

c.

Wheels

d.

Treading

Question number: 330

» Some Natural Phenomena » Types of Charges and Their Interactions » Positive Charges

MCQ▾

Question

The charge similar to the charge on a glass rod rubbed with silk is:

Choices

Choice (4) Response
a.

Positive

b.

Negative

c. Question does not provide sufficient data or is vague
d. None of the above

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