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Everyday Science Online Test MCQs With Answers

Question # 1

Silver were turns black after a period of time due of formation of

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Nitrate coating on silver

Oxide coating on silver

Chloride coating on silver

Sulphide coating on silver

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Question # 2

What is the main purpose of while blood corpuscles?

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to carry nutrients

to combat infection

to carry oxygen

to gives strength

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Question # 3

bats can ascertain distance, directions, natural and size of the obstacles at night, This is possible by reflection of the emitted?

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Supersonic waves for distant object

Supersonic waves form the bat

Ultrasonic waves form distant objects

Ultrasonic waves form the bat

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Question # 4

Which one of the following elements extensively used in electronics?

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Zironium

Silicon

Selenium

Sodium

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Question # 5

The speed of sound depends on the medium through which the waves are passing.The speed of sound in gases depends on what?

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Density

Weight

Volume

Mass

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Question # 6

Pepsin a digestive enzyme is produced in the

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Kidney

Liver

Stomach

Small intestine

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Question # 7

If you use an over-the counter remedy for a cold. you may find which herbal ingredient in it?

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sandalwood

cumin

camphor

tea tree

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Question # 8

Blood does not coagulate inside the body due to he presence of

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Hemoglobin

Heparin

Fibrin

Plasma

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Question # 9

In AC circuits, AC meters measure

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Mean values

Peak values

Mean square

Rms values

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Question # 10

The blackboard seems black because it?

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Does not reflect any colour

Reflects every colour

Absorbs black colour

Reflects black colour

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Question # 11

Glycol is added to aviation gasoline because it:

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Prevent s freezing of Petrol

reduces consumption o9f petrol

reduces evaporation of petrol

increase efficiency of petrol

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