Which of the following pairs of explorers and discoveries is incorrectly matched?

1. 1. Christopher Columbus — North America
   2. James Cook — Austria and Newzealand
   3. Marco Polo — India
   4. Robert Peary — Green Land

Which of the following pairs is incorrect?

1. 1. Reontgen : X-Ray
   2. Newton    : Law of Gravitation
   3. Faraday  : Diffusion of Gases
   4. Pasteur   : Bacteriology

Who propounded the theory that the Earth revolves round the Sun?

1. 1. Galileo
   2. Newton
   3. Copernicus
   4. Kepler

Who among the following scientists is responsible for binomial nomenclature?

1. 1. Charles Darwin
   2. Carl Von Linnaeus
   3. Theopharstus, P
   4. Hooker, J.D

Synthesis id gene in the laboratory was done for the first time by _____.

1. 1. Hargobind Khorana
   2. Gregor Mendel
   3. Watson and Crick
   4. Paul Berg

The scientist credited with the discovery of noble gases is _____.

1. 1. Cavendish
   2. Madame
   3. Rutherford
   4. McDonald

Oxygen was discovered by _____.

1. 1. Rutherford
   2. William Ramsay
   3. Lavisier
   4. Neil Bohr

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