2nd PUC Biology Series 7 December 3, 2020December 22, 2020wefru PUC Science 2nd Year Biology Series-7 quiz 1 Created on December 01, 2020 By wefru 2nd Puc Biology Series 7 TEST YOUR KNOWLEDGE OF SCIENCE 1 / 10 Q.61 The closely related morphologically similar sympatric populations, but reproductively isolated, are designated as clones sibling species clines denies. 2 / 10 Q.62 The true statement about ‘green-house effect’ is that it is caused by combination of many gases caused only by CO2 caused by CO2, CFC, CH4 and NO2 gases none of these. 3 / 10 Q.63 . Benthoic animals are those, which are submerged in area (b) (c) (d) float on the sea surface are deep dweller in sea are floating (free) organisms. 4 / 10 Q.64 Which country has the greatest contribution for the whole formation in ozone layer? Russia Japan USA Germany 5 / 10 Q.65 The ‘niche’ of a species is meant for habitat and specific functions of a species specific place where an organism lives specific species function and its competitive power none of these 6 / 10 Q.66 The two great industrial tragedies namely, MIC and Chernobyl tragedies respectively occurred where and at which time? Bhopal 1984, Ukrain 1986 Bhopal 1986, Russia 1988 Bhopal 1984, Ukrain 1990 Bhopal 1984, Ukrain 1988 7 / 10 Q.67 The 10% energy transfer law of food chain was given by Lindemann Tansley Stanley Weismann. 8 / 10 Q.68 The most common indicator organism that represents polluted water is C.vibrio Entamoeba histolytica E.coli P.typhi 9 / 10 Q.69 In coming years, skin related disorders will be more common due to water pollution depletion of ozone layer pollutants in air use of detergents. 10 / 10 Q.70 During adverse season, therophytes survive by rhizomes seeds bulbs corms Your score is The average score is 50% LinkedIn Facebook Twitter VKontakte 0% Restart quiz