2856: Operation Flood refers to:
(a) Use of preventive measures for flood devastation
(b) A study about floods
(c) Dairy development for increased milk production
(d) None of these
2857: The first Civil Disobedience Movement was started by Gandhiji after the:
(a) Rowlatt Act of 1919
(b) Jallianwala Bagh massacre in 1919
(c) Chauri Chaura incident in 1922
(d) Arrival of Cripps Mission in 1942
2858: Which one of the following elements is essential for the construction of nuclear reactors ?
(a) Cobalt
(b) Nickel
(c) Zirconium
(d) Tungsten
2859: If water contracts on freezing, which of the following would happen?
(a) Icebergs will completely float on the surface of water
(b) Ice would become more dense
(c) Lakes would freeze from top to bottom
(d) Rocks will crack due to freezing or internal water
2860: Which one of the following National Parks has a climate that varies from tropical to subtropical, temperate and arctic?
(a) Khangchendzonga National Park
(b) Nandadevi National Park
(c) Neora Valley National Park
(d) Namdapha National Park