1511: Which of the following two continents are just like the mirror images of each other?
(a) South America and Africa
(b) South America and North America
(c) South America and Australia
(d) Europe and Asia
1512: The parent script of the Indo-Aryan and Dravidian language is
(a) Indus
(b) Brahmi
(c) Kharosti
(d) Aramic
1513: Which one of the following is used for dating archaeological specimens in wood, bones and shells?
(a) Uranium-238
(b) Argon isotope
(c) Carbon-14
(d) Strontium-90
1514: Strips of two metals A and B are firmly joined together as shown in the figure.
1515: Which of the following events is not correct ?
(a) Simon Commission --- 1928
(b) Salt Satyagraha --- 1930
(c) Gandhi-lrwin Pact --- 1931
(d) Quit India Movement --- 1942