2156: India maintained its early cultural contacts and trade links with Southeast Asia across the Bay of Bengal. For this pre-eminence of early maritime history of Bay of Bengal, which of the following could be the most convincing explanation/explanations?
(a) As compared to other countries, India had a better ship building technology in ancient and medieval times
(b) The rulers of southern India always patronized traders, brahmin priests and buddhist monks in this context
(c) Monsoon winds across the Bay of Bengal facilitated sea voyages
(d) Both (a) and (b) are convincing explanations in this context
2157: In a school, out of 40 staff members, 30 are males. Some of the female teachers can sing while no male can sing. The principal invited six persons to a party by drawing lots. It was found that no member in the party could sing. Which of the following conclusions can be definitely drawn?
(a) Only males were invited to the party
(b) Some of the invitees were males and some were females who could not sing
(c) Only females, who could not sing, were invited to the party
(d) None of the above
2158: Another name of Vitamin C is:
(a) Folic acid
(b) Ascorbic acid
(c) Niacin
(d) Acetic acid
2159: To integrate cultural leaders into its meetings, which one of the following gives "Crystal Award"?
(a) Asia Pacific Economic Cooperation
(b) International Bank for Reconstruction and Development
(c) World Health Organization
(d) World Economic Forum
2160: 'Project Loon', sometimes seen in the news, is related to
(a) waste management technology
(b) wireless communication technology
(c) solar power production technology
(d) water conservation technology