Revised 2024-25 EST CT-1 QB -AO_CO_EJ PDF

SR QUESTION A B C D ANS NO The……..is the part of earth in which life exists.it includes the land, 1...

SR QUESTION A B C D ANS NO The……..is the part of earth in which life exists.it includes the land, 1 biosphere habitat niche community A water and air. Biological diversity is The Globe's water The earth's climatic changes 2 The green house effect is the Phenomenon by Which dominant in agricultural pollution affects atmosphere traps occur naturally in the C production plankton infrared radiation forest The scientific study of interactions among organisms and between biosphere ecology 3 ecology trophic level community B organisms and their environment is trophiclevel community Ozone is formed in the upper atmosphere by a photo chemical reaction 4 Ultra violet solar radiation Infra red radiation Visible light A with 5 The most harmful environmental pollution from nuclear reactor is radioactivity particulate formation Noise Pollution thermal pollution A The life supporting gases such as O2,CO2,and N2 are chiefly 6 troposphere exosphere homosphere stratosphere A concentrated in the Which of the following is the correct sequence of 4Rs principle in waste Reduce-Reuse-Recycle-R Recover-Recycle-Reu Recycle – Recover – Reuse-Recover-Redu 7 A hierarchy? ecover se-Reduce Reuse- Reduce ce - Recycle Anthropogenic 8 The environment which has been modified by human activities is called Natural environment Modem environment Urban environment B environment 9 The production of biogas from the waste is includes in...... Reduce Reuse Recycle Recover B semi transparent 10 mineral rocks, salts and chemicals are termed as abiotic resources biotic resources falling resources A resources includes natural methodically studies environment and is an interdeciplinery 11 environmental studies human interaction with builds and sets all of above D acadmic field enviornment relationship between them An organism enviorment is the surrounding conditions that affect that 12 TRUE FALSE A organism 13 The word environment is derived from french word environner environnering E- environner envo A 14 World environment day is on 5- June 11-June 5-July 11- July A Nobel peace price in 2004 for contribution towards environmental 15 Ratan tata Wangari Maathai S D Bush Dr. Manmohan singh B conservation was awarded to 16 Environmental studies does not involve psychology demography ethics literature D often have little to do political decisions are made with respect to political often transcend these respect political 17 with regional none of the above A jurisdictions;enivronment problems jurisdictions boundaries economic decisions encircle and 18 As per the french word ENVIRONNER means atmosphere earth and sun earth and energy C surround 19 world day of water is on 22- April 23- March 24- March 22- March D 20 world summit on sustainable development held at johannesberg in 2001 2002 2003 2004 B 21 abiotic environment does not include soil water air plant D 22 earth day is on 22- Jan 22- Feb 22- March 22-April D 23 he is popularly known as green judge mr.manmohan singh kuldeep singh mangal singh mr.jethmalani B the ecological factors related to soil and substrtum are called 24 edaphic somatic air borne egis A.........factors the inter governmentalconference on environmental education in 1977 25 tbillisi(USSR) delhi(india) albita newyork(USA) A was held in 26 biotic environment includes producers consumers decomposrs all of these D 27 ecomark of our country is earthen pitcher water drop sun ashoka tree A 28 environmental friendly proucts are given ISO certification called ISO 12000 13000 14000 15000 C 29 he is known as green advocate Mr.K.P RAGHAV Mr.P.chidambram Mr.S.D rao Mr.M.C.Mehta D 30 world forest day is on 11- March 12- March 13- March 21- March D environmentalist who uses an ecosystem approach to compehend the interaction 31 human activity geography all of the above D environmental issues will take into consideration which of the following between organism the UN framework convention for the cmmision on the conention on 32 outcomes of rio conferences do not include convention on climate protection of the sustainable C biological diversity change ozone layer development the evidence that the world is experriencing an environmental crisis is 33 TRUE FALSE A highly visible in many parts of the world the natural world uses resources efficiently ,while humans tend to 34 TRUE FALSE A water resources more 35 wild life week is celebrated in the period of 1-7th october 11-18th nov 1-8th march 1-8th april A 36 Van Mahotsav is an annual tree-planning festival in india,celebrated on 2nd june 1st july 1st december 15th september B Reduces ozene Attains the global optimal Relies on depletion through the Minimizes free rider 37 The Montreal protocol,signed in 1987 and strengthened in 1990 level of common property internationally tradable cutting of D of public good resource emmision permits chlorofluorocarbon production Earth summit, the conference on Environmental and Development held 38 1892 1992 2012 2011 B at rio de Jeneiro in 39 He got the magsaysay award for water conservation effort Rajender Singh Ashok Singh Nana Patekar Anil Agrawal A 40 Edaphic Means Related to water Related to soil Related to air Related to sun B Which of the following follow the cancept of sustainable development 1. Fishing the mature fish instead of the young fish 2. Using wind 41 (1) and (2) only (1) and (3) only (2) and (3) only (1),(2) and (3) only D power instead of burining casl to generate electricity. 3. The prohibition of trading endangered species  species extinction.Which of the following global trends is of great concern for the future changes in the global 42 Degradation of fertile soils leading to the loss of all of the above. D of our environment ? atmosphere biodiversity Sunder Lal 43 He is Known For This "Chipco Movement Atal Bihari Bajpeyi Anna Hajare Pandit Nehru C Bahuguna Anthropogenic Semi- natural 44 The environment wich has been modified by human activities is called Natural environmrnt Modern environment C environment environment Out of total water reserves of the world, about…. Is salty water(marine) 45 97%,3% 3%,97% 1%,99% 2%,98% A and only…..is fresh water 46 atmosphere not uniformly heated by the sun does not cause air flows variation in climate rainfall tides D Preventing overexploitation of non renewable natural resources is Environmental Exploiting 47 Natural conservation none of the above A ____________ degradation biodiversity 48 Tidal energy is used to rotate turbines and generate______ Fuel Water Salt electricity D __________is the heat of interior of the earth present at volcanic regions, 49 Geothermal energy solar energy Hydro energy wind energy A geysers or hot springs. 50 The causes of depletion of natural resources....... over population over consumption wastage All of the above D 51 When 'need' turns to 'greed' it starts __________ overexploitation conservation Both a and b None of the above A Over exploitation of fertile soil particularly in areas of low rainfall by 52 complex crops cash crops. simple crops seasonal crops B cultivating _________ non renewable 53 oxygen is an example of renewable resource A resource 54 during photosynthesis trees produce oxygen CO2 CO Nitrogen A 55 in a food chain,accumulation of non biodegradable materials is called biomagnification buffer detoxification alter A 56 Atomic energy is obtained by using ores of copper uranium lead crude oil B 57 Which of the following is not considerd to be a natural resources soil river scenery all of above C 58 natural resource do not include water refined oil air wood B 59 A renewable resource is a resource which is replaced naturally by human by animal all of these A which of the following energy sources provides a substanial amount of 60 hydropower wood solar charcoal A the energy needs for developed countries non renewable 61 coal is an example of renewable resources B resources 62 Coal ,petroleum and natural gas are called as non fossil fuel fossil fuel semi fossil fuel transparent fuel B 63 biogas generation is mainly based on the principle ofv anaerobic degradation aerobic degradation putrefaction none of these A electric energy flooding of primeable water loss with 64 which one is not adisadvantage of a big dam extremly expensive generated from C land evaporation hydropower  semi transparent 65 mineral rocks,salts and chemicals are termed ad abiotic resources biotic resources falling resources A resources 66 which one of the following is nota a fossil fuel? petroleum coal natural gas uranium D 67 atmosphere not uniformly heated by the sun does not cause air flows variation in climate rainfall tides D 68 the trees are called as earths 's heart brain lungs beli C ………. Are organisms that break down and obtain energy from dead 69 producers decomposers autotrophs herbivores B organic matter 70 ………….. Is the major raw material for biogas tree leaves grass cow dung waste from kitchen C 71 both power and manure are provided by hydroelectric plants gobar gas plants nuclear power plants thermal plants B which of the following is a better definition of natural resources efficient use of preservation of 72 protection of wildlife environment activisim C conservation natural resoueces natural resources 73 fertile soil is always a renewable resources TRUE FALSE B 74 mineral resources are the natural resources yes no A the resources which are in exhaustive and can br regenerated within a non renewable 75 renewable resources solar resources non solar resources A given spam of time are caled as resources 76 chhota nagpur is famous for sugar tea gardens rose gardens rice mill B out of the total water resources of the world,about ………….is salty water 77 97%,3% 3%,97% 1%,99% 2%,98% A and only …………is fresh watewr food and agricultre food and agro frequent agricultre flood and agricultre 78 FAO stands for A organisation operations organisations organisation Which one of the following is not a gaseous biogeochemical cycle in an 79 Carbon cycle Phosphorous cycle Sulphur cycle Nitrogen cycle B ecosystem? 80 In an ecosystem,which one shows one way passage nitrogen carbon potassium free energy D 81 the death of the last individual of a species is called ….. extinction endanger nor (i)(ii) diversity A primary consumers are producers are more secondary consumers primary consumers 82 what is true ecosystem? least dependent upon than primary are largest and C outnumber producers producers consumers powerful 83 in an ecosystem,which one shows one way passage nitrogen carbon potassium free energy D a…..is an assemblage of different populations that live together in a 84 species population niche community D defined area A network of complex interactions formed by the feeding relationships 85 food web trophic level food chain community A among the various organisms in an ecosystem is a individual in a individual in a trophic 86 Pyramid of numbers deals with number of species in an area species in a society D community level all of the following density dependent factors that limit animal 87 food competition predation mortality weather D populations except  lack of water in summer,seasonal temprature variations,maintained by 88 tropical rain forest taiga arctic tundra temperate grassland D periodic fires are characterstics of 89 to maintain ecological balance and regualte the population size of sun chain wind chain food chain grass chain C 90 dal lake is in srinagar delhi yavatamal nainital A permafrost;tempratures range from approximately -50 to +25 degree 91 tropical rain forest taiga arctic tundra temperate grassland C celsius ;a growing season of 60 days or less are charcterstics of many individuals of the same species living together in a defined area 92 community genus population ecosystem C form a/an 93 the type of ecosystem with the highest mean plant productivity is tropical rain forest temperate grassland desert tundra A in an aquatic ecosystem ,the tropical level equivalent to cows in 94 nekton zooplankton phytoplankton benthos B grasslands is character 95 complete competitors cannot coexist is true for primary succession secondary succession competitve exclusion C displacement 96 carnivores means plant eaters meat eaters fish eaters none of these B A…….. Is a group of ecosystems that have the same climate and 97 biosphere biome niche habitat B dominant communities 98 The study of ecosystems is called as environment ecology E-study cosmos B 99 the term ecology was given by ………… in 1869 Earnest Haeckel newtons S.W.flemig S.D.lal A 100 the most important feature of energy flow in ecosystems is that it is one way flow two way flow three way flow no flow A