Which of the following scales was _____.

1. 1. Absolute
   2. Centigrade
   3. Fahren heit
   4. Romer

Neutron was discovered by _____.

1. 1. Otto– Hahn
   2. Lise Meitner
   3. James Chadwick
   4. Enrico Fermi

Gene was first isolated by _____.

1. 1. J.C. Bose
   2. S. Chandrashekhar
   3. Hardobind Khorana
   4. C.V. Raman

Which of the following pairs discovery and discoverer is correct?

1. 1. Television– Baird
   2. Transistor — Shockley
   3. Typerwriter — Sholes
   4. Telephone — Morse

John Maynard Keynes was a/an _____.

1. 1. Economist
   2. Poet
   3. Scientist
   4. Mathematician

Who discovered the satellites of Jupiter?

1. 1. Galileo
   2. Kepler
   3. Newton
   4. Tayco Brake

John Walker invented _____.

1. 1. Safety match
   2. safety Razor
   3. Safety Pin
   4. Safety Valve

Mercury thermometer was invented by _____.

1. 1. Galileo
   2. Fahrenheit
   3. Newton
   4. Priestly

Radioactivity was discovered by _____.

1. 1. Henry Bequerel
   2. Marie Curie
   3. Newton
   4. Einstein

Which of the following pairs is not correct?

1. 1. Barometer– Torricelli
   2. Telescope — Galileo
   3. Aeroplan — Wright Brothers
   4. Helicopter — Brequet