Name the branch of science which deals with the study of sound and sound waves?

A: Acoustics

B: Aeronautics

C: Aerostatics

D: Aetiology

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Acoustics

Circadian Rhythm refers to ________?

A: Formation of galaxies

B: Planetary movements

C: Human body cycles

D: Calisthenics

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Human body cycles

Fuse wire is made of________?

A: 63% lead and 37% tin

B: 63% tin and 37% lead

C: 63% tin and 37% aluminum

D: 63% lead and 37% aluminum

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63% tin and 37% lead

A temporary magnet should be made from __?

A: Tin

B: Copper

C: Iron

D: None

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Iron

How many eyes does a worm have?

A: Three

B: Two

C: One

D: None

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None

The Planet which revolves slowly around the Sun is_____?

A: Mars

B: Mercury

C: Earth

D: Neptune

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Neptune

Moon light reaches to earth in______seconds?

A: 1.3 seconds

B: 0.3 seconds

C: 2.3 seconds

D: 3.3 seconds

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1.3 seconds

The gases which are used by drivers as an artificial atmosphere are helium and________?

A: Oxygen 

B: Nitrogen

C: Neon

D: Carbon monoxide

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Oxygen

The atmosphere of moon consists of____?

A: 80%Nitrogen, 20% Hydrogen

B: 90% Hydrogen, 10% Nitrogen

C: 60% Nitrogen, 40%inert gases

D: None

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60% Nitrogen, 40%inert gases

By which process copper is refined _______?

A: Oxidation

B: Roasting

C: Zone Refining

D: Electrolysis

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Roasting

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