Who invented Barometer?

 a) Sorensen
 b) Baron Pierre
 c) Torricelli
 d) J.L Baird

Torricelli.

CT Scan was invented by:

 a) Benjamin Felson
 b) G.N Hounsfield
 c) Gustave Bucky
 d) Rutherford

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G.N Hounsfield.

Who invented the battery?

 a) Maxwell
 b) Roentgen
 c) Volta
 d) Faraday

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Volta.

Pencillin was discovered by:

 a) Alexander Fleming
 b) Ian Fleming
 c) Edward Jenner
 d) Louis Pasteur

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Alexander Fleming.

Who invented the safety razor?

 a) Steve Cher
 b) Lar Strauss
 c) Gillette
 d) Steve Jobs

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Gillette.

Mercury Thermometer was invented by :

 a) Galilieo
 b) Priestly
 c) Fahreheit
 d) Newton

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Fahreheit.

The Electronic Typewriter was introduced in the year:

 a) 1714
 b) 1938
 c) 1948
 d) 1837

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1938.

Ancient Chinese invented the seismograph to record:

 a) Tornadoes
 b) Earthquakes
 c) Hurricanes
 d) Wind activity

KPSC Confidential Asst-2015

Earthquakes. Under the Han Dynasty, a man called Zhang Heng invented the first seismograph in the world - the first way to record an earthquake.

Reverse transcription was discovered by:

 a)  Beadle & Tatum
 b) Har Govind Khorana
 c) Temin & Baltimore
 d) Watson & Crick

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Howard Temin and David Baltimore. Reverse transcriptases were discovered by Howard Temin at the University of Wisconsin–Madison in RSV virions, and independently isolated by David Baltimore in 1970 For their achievements, both shared the 1975 Nobel Prize in Physiology or Medicine.

Radioactivity was discovered by:

 a) Soddy
 b) Curie
 c) Becquerel
 d) Rutherford

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Becquerel. Henri Becquerel discovered radioactivity in 1896.The term radioactivity was actually coined by Marie Curie.