Showing posts with label Inventions & Discoveries. Show all posts
Showing posts with label Inventions & Discoveries. Show all posts
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CT Scan was invented by:

 a) Benjamin Felson
 b) G.N Hounsfield
 c) Gustave Bucky
 d) Rutherford
KPSC Jr.Health Insp-15

G.N Hounsfield.

Pencillin was discovered by:

 a) Alexander Fleming
 b) Ian Fleming
 c) Edward Jenner
 d) Louis Pasteur
SSC CHSL-2015

Alexander Fleming.

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
SSC CGL-15

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
SSC CGL-15

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

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