Question # 1

Who discovered the first practical method of freezing food?

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C.Bridseye

F. Rozenosh

G. Findus

R. Scott

A marksman is firing at a target, So that he should be able to hit the target, the line of the barre of the gun should point:

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Below the target

Straight at the target

above the target

towards the right side of the target

Who is credited with the discovery of nylon?

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Frederick Banting

Jonas Salk

Wallace Carothers

Linus Pauling

Who first worked out long a year is?

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Egyptian astronomers

Greek astronomers

Babylonian Priests

Mayan Mathematicians

A powerful eye irritant present in smog is

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Nitric oxide

Sulphar dioxide

Peroxyacetly nitrate

Carbon dioxide

Influenza is caused by a -

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virus

Fungus

Algae

Bacterium

The average of 13 resulting is 68. the a average of first sever is 63 and that of the last seven is 70: the seventh result is..........

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73.5

94

47

69

Who used a screw to pump water from the hold of a ships?

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Archimedes

Eratosthenes

Democritus

Ptolemy

Which device convert sound energy into electrical energy?

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Microphone

Steam engine

Electrical Motor

Loudspeaker

Which vitamin is called ''anti-scorbutic'' vitamin?

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Vitamin A

Vitamin D

Vitamin C

None of these

Who invented the flushing toilet that caught on:

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Joseph Bramah

Linus Yale

Viadmir Zworkin

Priestley

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