General Knowledge - Mock Test 145

Question 1441

Which of the following is not an isotope of hydrogen?

A) Tritium B) Yttrium C) Protium D) Deuterium

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Question 1442

Of the metals which, one pollutes the air of a big city?

A) Copper B) Lead C) Cadmium D) Chromium

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Question 1443

Armature of Dynamo is made with?

A) Iron material B) Ferro magnetic material C) Porcelain material D) Cu–material

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Question 1444

Cosmic noise is caused by?

A) Distant stars B) Lighting discharges C) Solar eruptions D) Industrial discharges

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Question 1445

Air is a/an?

A) Element B) Mixture C) Compound D) Electrolytes

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Question 1446

Permanent hardness of water can be removed by adding?

A) Chlorine B) Washing soda C) Bleaching powder D) Potassium permanganate

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Question 1447

Galvanised iron sheets are protected from rusting due to the presence of a layer of?

A) Lead B) Tin C) Chromium D) Zinc

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Question 1448

Which one of the following animals stores water in intestine?

A) Uromastix B) Zebra C) Moloch D) Camel

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Question 1449

Which of the following is the fastest storing input/output device in a computer?

A) Magnetic floppy disc B) Teletype writer C) Teletype writer D) None of these

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Question 1450

The tape of a tape recorder is coated with?

A) Ferromagnetic powder B) Mica C) Zinc oxide D) Copper sulphate

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