501: Which one of the following sets of elements was primarily responsible for the origin of life on the Earth?
(a) Hydrogen, Oxygen, Sodium
(b) Carbon, Hydrogen, Nitrogen
(c) Oxygen, Calcium, Phosphorus
(d) Carbon, Hydrogen, Potassium
502: Consider the following :
1. Assessment of land revenue on the basis of nature of the soil and the quality of crops
2. Use of mobile cannons in warfare
3. Cultivation of tobacco and red chillies
Which of the above was/were introduced into India by the English?
(a) 1 only
(b) 1 and 2
(c) 2 and 3
(d) None
503: Recently, India signed a deal known as Action Plan for Prioritization and Implementation of Cooperation Areas in the Nuclear Field with which of the following countries?
(a) Japan
(b) Russia
(c) The United Kingdom
(d) The United States of America
504: The practice of military governorship was first introduced in India by the
(a) Greeks
(b) Shakas
(c) Parthians
(d) Mughals
505: Who among the following streamlined the Maratha administration after Sambhaji ?
(a) Raja Ram
(b) Balaji Viswanath
(c) Ganga Bai
(d) Nanaji Deshmukh