656: The term nishka, which meant an ornament in the Vedic period, was used in later times to denote a/an
(a) weapon
(b) agricultural implement
(c) script
(d) coin
657: Among the following, which were frequently mentioned in the news for the outbreak of Ebola virus recently?
(a) Syria and Jordan
(b) Guinea, Sierra Leone and Liberia
(c) Philippines and Papua New Guinea
(d) Jamaica, Haiti and Surinam
658: The two branches of a plant give two different fruits :- tomatoes and brinjals. This can be explained:
(a) By nature's freak
(b) By grafting one with the other
(c) By hybridisation
(d) Both A and B
659: Amongst the following Indian States which one has the minimum total forest cover?
(a) Sikkim
(b) Goa
(c) Haryana
(d) Kerala
660: The average salary of skilled employees in a firm is Rs. 520 and that of the unskilled employees is Rs. 420. If the average salary of both the groups of employees is Rs. 500, then the percentage of skilled employees in the firm is
(a) 50
(b) 20
(c) 80
(d) 70