2051: Alpha-keratin is a protein present in
(a) blood
(b) skin
(c) wool
(d) eggs
2052: A person travels 12 km due North, then 15 km due East, after that 15 km due West and then 15 km due South. How far is he from the starting points?
(A) 12 km
(B) 33 km
(C) 61 km
(D) 60 km
2053: What was the immediate reason for Ahmad Shah Abdali to invade India and fight the Third Battle of Panipat ?
(a) He wanted to avenge the expulsion by Marathas of his viceroy Timur Shah from Lahore
(b) The frustrated governor of Jullundhar Adina Beg Khan invited him to invade Punjab
(c) He wanted to punish Mughal administration for non-payment of the revenues of the Chahar Mahal (Gujarat, Aurangabad, Sialkot and Pasrur)
(d) He wanted to annes all the fertile plains of Punjab up to the borders of Delhi to his kingdom
2054: Vidhushaka, a common character in Sanskrit drama, is invariably a
(a) Brahmana
(b) Kshatriya
(c) Vaisya
(d) Shudra
2055: National Income is the
(a) Net National Product at market price
(b) Net National Product at factor cost
(c) Net Domestic Product at market price
(d) Net Domestic Product at factor cost