3846: Consider the following organisations :
I. Atomic Minerals Directorate for Research and Exploration
II. Heavy Water Board
III. Indian Rare Earths Limited
IV. Uranium Corporation of India
Which of these is/are under the Department of Atomic Energy ?
(a) I only
(b) I and IV
(c) II, III and IV
(d) I, II, III and IV
3847: Radio carbon dating process is used to know the age of:
(a) Fossils
(b) Plants
(c) Rocks
(d) All of these
3848: Zero was invented by
(a) Aryabhata
(b) Varahamihira
(c) Bhaskara I
(d) an unknown Indian
3849: In India, among the following locations, the Dutch established their earliest factory at
(a) Surat
(b) Pulicat
(c) Cochin
(d) Cassimbazar
3850: 'Gresham's Law' in Economics relates to:
(a) Supply and demand
(b) Circulation of currency
(c) Consumption and supply
(d) Distribution of goods and services