411: From the third century AD when the Hun invasion ended the Roman Empire, the Indian merchants relied more and more on the
(a) African trade
(b) West-European trade
(c) South-East Asian trade
(d) Middle-Eastern trade
412: Parimarjan Negi has excelled which one of the following games ?
(a) Weightlifting
(b) Chess
(c) Billiards
(d) Swimming
413: Itaipu Dam built on the River Parana is one of the largest dams in the world. Which of the following two countries have this as a joint project?
(a) Colombia and Paraguay
(b) Paraguay and Ecuador
(c) Brazil and Paraguay
(d) Brazil and Peru
414: Atoms of the same element having the same atomic number but different atomic weight are called
(a) Isobars
(b) Isotopes
(c) Polymers
(d) Isomers
415: As per India's National Population Policy, 2000, by which one of the following years is it our longterm objective to achieve population stabilization ?
(a) 2025
(b) 2055
(c) 2045
(d) 2035