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Toren EST REI AT SSE C 4052 3 (Paes 2) Name, USER OE ESI ELEC RGAE OSTE EN ary ae mabe 1 Heys, Now Tl SEMESTER B.Sc. DEGREE EXAMINATION RCH 2013 (CCB) Govlogy GL 6B 2) (804) — UNVIRONMENTAL GOLOGY Time : Three Hours Maximum : 20 Weightage Riustrate your answers with neat sketches wherever necessary. I. Objective Type Questions. Answer all Awelue questions ¢ 2. or on The most important ovone depleting substance, yf © The scale used for measuring magnituce of aa earthquake: (a) Mercalli scale, (>) Rosi-Forrel scale. (© Richter seale, “7 (@) Vernier seal, a® The measures taken to reduce adverse impacts on the environment are called Fine liquid or solid particles, such as dust, emoxe, mist, fumes, or smog, found in air or a trod emissions, PoreTPAN World Environment day is celebraved on : (a) June 5. 7 (b), March 21, (c) September 16. (dd) April 22, " saavavterin hase The chronic poisuning of the water. supply by _!* has. created a great visk of organ dysfunction and cancer in millions of. people living in and eround Bangladesh. » The downward movement of rock mass without any horizontal motion, wnder the influence of gravity. — @oceta) The heavy metal pollutant that caused the Minamata disease in J apan : (a) Lead. (>) Arsenic, (c) Cadmium. QQ) Mereury, Agroup of individuals of the same epecies living in the san-e area or interbreedins and sharing genctic inforreation is called Popalanne = 
