Ecosystem PYQs Set 7 (PDF)

Set 7 of 8 · Questions 181-210 of 211

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Mere Teacher · Previous Year Questions NEET Biology · Ecosystem · Set 7 (Q181-210)
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181. $Which of the following pairs of gases is mainly responsible for green house effect?$ (1) $Ozone and Ammonia$ (2) $Oxygen and Nitrogen$ (3) $Nitrogen and Sulphur dioxide$ (4) $Carbon dioxide and Methane$ 182. $Geometric representation of age structure is a characteristic of :-$ (1) $Ecosystem$ (2) $Biotic community$ (3) $Population$ (4) $Landscape$ 183. $The zone of atmosphere in which the ozone layer is present is called :-$ (1) $Ionosphere$ (2) $Mesosphere$ (3) $Stratosphere$ (4) $Troposphere$ 184. $Quercus species are the dominant component in:-$ (1) $Scrub forests$ (2) $Tropical rain forests$ (3) $Temperate deciduous forests$ (4) $Alpine forests$ 185. $The second stage of hydrosere is occupied by plants like :-$ (1) $Salix$ (2) $Vallisneria$ (3) $Azolla$ (4) $Typha$ 186. $Which of these following methods is the most suitable for disposal of nuclear waste?$ (1) $Shoot the waste into space$ (2) $Bury the waste under Antarctic icecover$ (3) $Dump the waste within rocks under deep ocean$ (4) $Burry the waste within rocks deep below the Earth's surface$ 187. $Identify the odd combination of the habitat and the particular animal concerned :$ (1) $Rann of Kutch - Wild Ass$ (2) $Dachigam National - Snow Leopard Park$ (3) $Sunderbans - Bengal Tiger$ (4) $Periyar - Elephant$ 188. $An example of ex situ conservation is :-$ (1) $National Park$ (2) $Seed Bank$ (3) $Wildlife Sanctuary$ (4) $Sacred Grove$ 189. $Which of the following is the most advanced stage during hydrarch succession?$ (1) $Reed-swamp stage$ (2) $Marsh-meadow stage$ (3) $Scrub stage$ (4) $Submerged plant stage$ 190. $Which of the following pairs of an animal and a plant represents endangered organisms in India ?$ (1) $Cinchona and Leopard$ (2) $Banyan and Black buck$ (3) $Bentinckia nicobarica and Red Panda$ (4) $Tamarind and Rhesus monkey$ 191. $Which one of the following is not a gaseous biogeochemical cycle in ecosystem?$ (1) $Sulphur cycle$ (2) $Phosphorus cycle$ (3) $Nitrogen cycle$ (4) $Carbon cycle$ 192. $During ecological succession :$ (1) $the changes lead to a community that is in near equilibrium with the environment and is called pioneer community$ (2) $the gradual and predictable change in species composition occurs in a given area$ (3) $the establishment of a new biotic community is very fast in its primary phase$ (4) $the numbers and types of animals remain constant$ 193. $"Good ozone" is found in the :$ (1) $Ionosphere$ (2) $Mesosphere$ (3) $Troposphere$ (4) $Stratosphere$ 194. $Niche overlap indicates$ (1) $sharing of one or more resources between the two species$ (2) $mutualism between two species$ (3) $active cooperation between two species$ (4) $two different parasites on the same host$ 195. $Natural reservoir of phosphorus is$ (1) $Sea water$ (2) $Animal bones$ (3) $Rock$ (4) $Fossils$ 196. $The 'blue baby' syndrome results from$ (1) $excess of dissolved oxygen$ (2) $excess of TDS (total dissolved solids)$ (3) $excess of chloride$ (4) $methaemoglobinaemia$ 197. $The term ecosystem was coined by :-$ (1) $E.P. Odum$ (2) $A.G. Tansley$ (3) $E. Haeckel$ (4) $E. Warming$ 198. $World Ozone Day is celebrated on$ (1) $5^{t h} June$ (2) $2 1^{s t} April$ (3) $1 6^{t h} September$ (4) $2 2^{n d} April$ 199. $In-situ conservation refers to:$ (1) $Conserve only high risk species$ (2) $Conserve only endangered species$ (3) $Conserve only extinct species$ (4) $Protect and conserve the whole ecosystem$ 200. $Mycorrhizae are the example of:$ (1) $Amensalism$ (2) $Antibiosis$ (3) $Mutualism$ (4) $Fungistasis$ 201. $The domestic sewage in large cities :$ (1) $When treated in STPs does not really require the aeration step as the sewage contains adequate oxygen$ (2) $has very high amounts of suspended solids and dissolved salts.$ (3) $has a high BOD as it contains both aerobic and anaerobic bacteria$ (4) $is processed by aerobic and then anaerobic bacteria in the secondary treatment in Sewage Treatment plants (STPs)$ 202. $Endemism refers to :$ (1) $Species evenness$ (2) $Species confined to that region$ (3) $Species diversity$ (4) $Species richness$ 203. $Niche is$ (1) $all the biological factors in the organism environment$ (2) $the physical space where an organism live$ (3) $the range of temperature that the organism needs to live$ (4) $the functional role played by the organism where it lives$ 204. $Global warming can be controlled by :$ (1) $Increasing deforestation, reducing efficiency of energy usage$ (2) $Reducing deforestation cutting down use of fossil fuel$ (3) $Reducing reforestation, increasing the use of fossil fuel$ (4) $Increasing deforestation slowing down the growth human population$ 205. $Kyoto Protocol was endorsed at :$ (1) $CoP - 4$ (2) $CoP - 3$ (3) $CoP - 5$ (4) $CoP - 6$ 206. $Van Mahotsava is a festival of:$ (1) $Planting trees in open areas$ (2) $Taking oath to protect trees$ (3) $Worshipping trees$ (4) $Conservation of sacred groves$ 207. $Montreal Protocol aims at :-$ (1) $Control of C O_{2} emission$ (2) $Reduction of ozone depleting substances$ (3) $Biodiversity conservation$ (4) $Control of water pollution$ 208. $Most animals are tree dwellers in a:-$ (1) $Thorn woodland$ (2) $Temperate deciduous forest$ (3) $Tropical rain forest$ (4) $Coniferous forest$ 209. $Cuscuta is an example of :-$ (1) $Predation$ (2) $Endoparasitism$ (3) $Ectoparasitism$ (4) $Brood parasitism$ 210. $Eutrophication is often seen in :-$ (1) $Deserts$ (2) $Fresh water lakes$ (3) $Ocean$ (4) $Mountains$