Discoveries & Inventions
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46 An anemometer measures which of the following ?
A
Speed of light
B
Speed of wind
C
Speed of water current
D
Speed of satellites
48 What J. B. Dunlop invented?
A
Pneumatic rubber tire
B
Automobile wheel rim
C
Rubber boot
D
Model airplanes
50 Who developed the first automatic automobile ?
A
Goatleab Daimler
B
Henry Ford
C
Rudolf Diesel
D
Karl Benz
54 Who was the first person to patent the JET ENGINE?
A
F. Whittle
B
C. Lindbergh
C
W. Histell
D
B. Owings
56 X-Rays, which are now used on a day to day basis for diagnosis in medicine, was discovered by?
A
Wilhelm Rontgen
B
Niels Bohr
C
Ernest Rutherford
D
Max Bon
58 Reserve transcription was discovered by :
A
Beadle & Tatum
B
Waston & Crick
C
Temin & Baltimore
D
har Govind Khorana