pg 1 pg 2 pg 3 pg 4 pg 5 0% 3 Created on January 26, 2022 By mr.yashrajNTA UGC NET/SET/JRF Paper 1 Teaching and Research Aptitude Pollutants and Their Impact on Human Life - MCQ 2 1 / 123 The air pollutants are mainly classified as Point source and non-point source Primary and secondary pollutants Natural or anthropogenic pollutants None of the above 2 / 123 Maximum soot is released from [December 2009] Petrol vehicles CNG vehicles Diesel vehicles Thermal power plants 3 / 123 Which of the following pairs regarding typical composition of hospitals wastes is incorrect?[December 2008] Plastics: 9–12% Metals: 1–2% Ceramic: 8–10% Biodegradable: 35–40% 4 / 123 Human ear is most sensitive to noise in which of the following frequency range? [June 2008] 1–2 kHz 100–500 Hz 10–12 kHz 13–16 kHz 5 / 123 Which of the following units is used to measure the intensity of noise?[June 2008] Decibel Hz Phon Watts/m2 6 / 123 The plume rise in a coal-based power plant depends onI. BuoyancyII. Atmospheric stabilityIII. Momentum of exhaust gases [June 2007]Codes: (I) and (II) only (II) and (III) only (I) and (III) only (I), (II) and (III) 7 / 123 Match List-I with List-II.List-I List-II(Disease) (Cause)A. Osteoporosis I. FluorineB. Leukaemia II. Sr-90C. Lung cancer III. BenzopyreneCodes: A-I, B-III, C-II A-III, B-I, C-II A-I, B-II, C-III A-III, B-II, C-I 8 / 123 Which of the following is an indicator of water quality and presence of organic matter in water? BOD COD Both (a) and (b) None of the above 9 / 123 Which of the following about peroxyacyl nitrates (PAN) is true? They are secondary pollutants. Produced when hydrocarbon radical reacts with nitrogen oxide. Cause respiratory diseases in human beings. All the above 10 / 123 The inability to hear important environmental cues and animal signals is termed as Masking Tasking Frisking None of the above 11 / 123 With the absorption and decomposition of CO2 in ocean water beyond desired level, there will be[December 2006] Decrease in temperature. Increase in salinity. Growth of phytoplanktons. Rise in sea level. 12 / 123 Assertion (A): Aerosols have potential for modifying climate.Reason (R): Aerosols interact with both the short waves and radiations.[June 2006] Both A and R are true, and R is the correct explanation of A. Both A and R are true, but R is not the correct explanation of A. A is true but R is false. A is false but R is true. 13 / 123 Which of the following is not a primary air pollutant?[June 2006] Methane Sulphur dioxide Ozone Asbestos 14 / 123 The maximum emission of pollutants from fuel sources in India is caused by [December 2006] Coal Firewood Refuse burning Vegetable waste product 15 / 123 Arrange List-II in proper sequence so as to match it with List-I and choose the correct answer from the code givenbelow. [December 2006]List-I List-II(Water quality) (pH Value)A. Neutral I. 5B. Moderately acidic II. 7C. Alkaline III. 4D. Injurious IV. 8Codes: A-II, B-III, C-I, D-IV A-I, B-III, C-I, D-IV A-II, B-I, C-IV, D-III A-III, B-I, C-II, D-IV 16 / 123 Tamil Nadu coastal belt has drinking water problem due to [June 2006] High evaporation. Sea water flooding due to tsunami. Over-exploitation of ground water by tube wells. Seepage of sea water. 17 / 123 The main pollutant of the Indian coastal water is[December 2005] Oil spills Municipal sewage Industrial effluents Aerosols 18 / 123 Malaria is caused by [December 2005] Bacterial infection Viral infection Parasitic infection Fungal infection 19 / 123 Global warming during winter becomes more pronounced at the [December 2004] Equator Poles Tropic of Cancer Tropic of Capricorn 20 / 123 Arrange List-II in proper sequence so as to match it with List-I and choose the correct answer from the code given below. [December 2004]List-I List-II(Activity) (Noise level (dB))A. Hearing I. 30B. Whispering II. 1C. Interference with sleep III. 60D. Normal Talk IV. 30–50Codes: A-I, B-II, C-III, D-IV A-II, B-I, C-IV, D-III A-IV, B-II, C-III, D-I A-III, B-I, C-II, D-IV 21 / 123 The problems caused by air pollutants basically affect Circulatory and nervous system Circulatory and respiratory system Muscular system None of the above 22 / 123 The balance in oxygen level is maintained by Photosynthesis and cellular respiration Industrial emissions of gases Release of ozone in upper atmosphere None of the above 23 / 123 Peroxyacyl nitrate (PAN) is a by-product of Photochemical smog London smog Sulphurous smog None of the above 24 / 123 Which of the following greenhouse gases are entirely anthropogenic in origin? Water vapour Carbon dioxide CFCs Methane 25 / 123 Industries generating hazardous waste are classified as Brown Green Yellow Red 26 / 123 Which of the following geographic area is the largest source of CO2 emissions from burning of fossil fuel? China Russia North America European Union 27 / 123 Intake of lead may primarily cause damage of the Brain Lung Liver Kidney 28 / 123 Which of the following metal is responsible for Minamata disease? Mercury Cadmium Chromium Iron 29 / 123 The chemical responsible for blue baby syndrome that is caused by restricted supply of oxygen to the brain is Nitrates Sulphates Fluorides Oxides 30 / 123 Match the following:List-I List-II(Metal) (Effects)A. Chromium I. ThalassaemiaB. Arsenic II. Itai-ItaiC. Cadmium III. DermatitisD. Iron IV. CarcinogenCodes: A-IV, B-III, C-II, D-I A-IV, B-II, C-III, D-I A-I, B-III, C-II, D-IV A-I, B-II, C-III, D-IV 31 / 123 Lead is used as an anti-knocking agent (tetra-ethyl lead) in petrol. It affects our Central nervous system Central nervous system Cardiac system Skeletal system 32 / 123 Atmospheric pollutants are mainly present in Ionosphere Stratosphere Mesosphere Troposphere and lower stratosphere 33 / 123 How are nitrogen oxides, sulphur oxides and carbon oxides related? All of them are secondary air pollutants that contribute to global warming. All of them are primary air pollutants that contribute to acid deposition. All are air pollutants formed by combustion of fossil fuels. All of them are air pollutants that result in respiratory diseases in humans. 34 / 123 The common features between NO2, SO2, CO and SPM is that all of them Are classified as primary pollutants. Are classified as secondary pollutants. Have equal role in causing acid rain. Are greenhouse gases. 35 / 123 Which of the following best illustrates a secondary air pollutant? CO2 released from the burning of coal. NO2 released from the burning of oil. Ozone produced in photochemical smog. None of the above 36 / 123 Which of the following can be considered as the best example of primary air pollutants? Carbon dioxide released from burning of coal. Sulphur trioxide. Ozone produced in photochemical smog. Carbon dioxide released through photosynthesis. 37 / 123 The main difference between primary air pollutants and secondary air pollutants is Former contains water molecules, while secondary pollutants do not. Primary air pollutants have more direct effect on human health. Former are released directly into the atmosphere, while the latter are formed by chemical reactions in the atmosphere. Primary air pollutants are formed through photochemical reactions in the sunlight, while the secondary air pollutants are not 38 / 123 Which of the following is the most dangerous and long-lasting? Nuclear waste Volcano ash Mining waste Biomedical waste 39 / 123 In a lake polluted with pesticides, which one of the following will contain the maximum amount of pesticides as a result of biomagnification? Small fish Microscopic animals Big fish Water birds 40 / 123 Which of the following is not an impact of acid rain? Death of trees Loss of productivity of plants Soil alkalinity Death of fish in lakes and ponds 41 / 123 Acid rain is formed by the Combination of chemical air pollutants with atmospheric water droplets. Mixing of acid with rain. Release of industrial pollutants in the atmosphere. None of the above 42 / 123 Which of the following statements is not true with regard to normal plastic waste? It lasts long. It clogs the sewage system. It is biodegradable. Burning results in toxic fumes. 43 / 123 Which of the following statement is not a method of purifying water? Reverse osmosis UV radiation Distillation Evaporation from a water body 44 / 123 BOD stands for Biological oxygen demand Basic oxygen dissolved Biological organic demand Biological oxygen decomposition 45 / 123 Which of the following is a non-point source of water pollution? Oil spill Sewage treatment plant Open cast mine Deep bore well 46 / 123 Which of the following non-biodegradable waste has the potential of polluting earth to dangerous levels of toxicity, if not handled properly? DDT CFC Radioactive substances PAN 47 / 123 Which of the following is non-biodegradable? Animal bones Nylon Wool Banyan tree leaves 48 / 123 Animal dung is Biodegradable Non-biodegradable Hazardous Toxic 49 / 123 The best solution to get rid of non-biodegradable wastes is Burning Dumping Burying Recycling 50 / 123 The pollutant responsible for ozone holes is SO2 CO CFC CO2 51 / 123 A natural phenomenon that becomes harmful due to pollution is Global warming Ecological balance Greenhouse effect Desertification 52 / 123 With which of following kinds of pollution, the term ‘green muffler’ is associated? Water pollution Air pollution Nuclear pollution Noise pollution 53 / 123 Zero decibel is the Threshold point for hearing. Threshold point for physical pain. Where no sound waves can travel. None of the above 54 / 123 Which of the following is the unit of measurement of noise pollution? Pascal Decibels Hertz All of these 55 / 123 Which of the following statements is true with regard to noise and noise pollution? Decibel is the linear scale of noise measurement. A jet plane is one of the highest decibel sources of noise. A change from 40 dB to 80 dB is exactly double in loudness. Noise cannot be shielded. 56 / 123 Which of the following is a water-borne disease? Blue baby syndrome Meningitis Diarrhoea Cholera 57 / 123 Which of the following ultimately causes oxygen depletion in water bodies? Fish Human beings Microorganisms None of the above 58 / 123 The main source of water pollution is Sewage water Acid rain Industrial pollutants None of the above 59 / 123 Quality of resource not degraded due to pollution is Sun Sand Water Air 60 / 123 Air pollution is an increasing problem in developing countries due to Burning of more coal to produce electricity. Changing lifestyles. Unavailability of environment-friendly technologies. All the above 61 / 123 Which of the following can help in reducing air pollution? Small-sized cars Removal of sulphur from coal Lower ignition fuels None of the above 62 / 123 How does photochemical smog form? The release of primary air pollutants. Interaction occurs between chemicals such as CFCs and ozone. Reactions occur between secondary air pollutants and sunlight. The release of formaldehyde and radon inside buildings. 63 / 123 Why is photochemical smog typically worse in the summer? There is more solar energy to drive photochemical reactions. People tend to travel more in summers. Warm temperatures prevent the dissipation of pollutants. None of the above 64 / 123 What is the main source of pollutants of nitrogen oxides, sulphur oxides and carbon oxides? Photochemical reactions in the atmosphere. Burning fossil fuels at high temperatures. Industrial processes All the above 65 / 123 Carbon dioxide and methane are similar in terms of Both being secondary air pollutants. Being responsible for respiratory diseases. Contribution to global warming. None of the above 66 / 123 All hydrocarbons (except CH4) contribute to the production of Acid deposition Greenhouse effect Photochemical smog None of the above 67 / 123 Which of the following fuels are mainly responsible for release of lead into the environment? Diesel Petrol Coal All of the above 68 / 123 Which of the following pollutants mainly released by burning of diesel fuel is responsible for photochemical smog? Oxides of sulphur Oxides of nitrogen Oxides of carbon None of the above 69 / 123 The pesticide directly affecting the nervous system is DDT Aldrin Organic phosphates None of the above 70 / 123 The constituent of smog that causes irritation to the eyes is NO PAN CO None of these 71 / 123 The process of dumping solid waste in a scientifically designated land area is called Dumping Waste disposal Sanitary landfill None of the above 72 / 123 The main chemical responsible for ozone depletion is PAN Sulphur dioxide CO CFCs 73 / 123 Excessive exposure to pesticides mainly causes Malaria Diphtheria Cancer and neurological problems None of the above 74 / 123 Excessive exposure to pesticides is mainly responsible for damage to Endocrine and immune system Respiratory system Muscular system Nervous system 75 / 123 High concentration of oxides of nitrogen can cause Headache Dizziness and loss of consciousness Respiratory irritation All of the above 76 / 123 Sulphur dioxide is mainly released from Cars and trucks Photochemical reactions Factories None of the above 77 / 123 Automobiles and trucks are not an important source of which of the following air pollutants? Carbon dioxide Hydrocarbons Nitrogen oxides Sulphur oxides 78 / 123 Ozone is considered as a secondary air pollutant because it Is in the upper layers of the atmosphere. Is formed by chemical reactions in atmosphere. Is produced in industry. Secondary role in causing pollution. 79 / 123 Nitrogen oxide affects human health by Causing irritation to the eyes and skin. Aggravating asthma problem. Decreasing blood’s ability to transport oxygen. None of the above 80 / 123 Which of the following gas affects human health by reducing the blood’s ability to carry oxygen to different parts of the body? Carbon monoxide Sulphur dioxide Carbon dioxide Nitrous dioxide 81 / 123 What process causes the disintegration of rock at or near the earth’s surface? Physical weathering Erosion Chemical weathering None of the above 82 / 123 What type of chemical weathering is enhanced by acid rain? Dissolution Hydrolysis Oxidation None of the above 83 / 123 Ozone depletion is caused due to increase in the level of Water vapour Chlorofluorocarbon Oxygen Carbon monoxide 84 / 123 Which of the following methods can be used to increase the supply of usable, good quality water? Chlorination Metallurgy Cloud seeding None of these 85 / 123 Which of the following is the main discharge from coalbased power plants (thermal plants)? SPM Fly ash Smog None of the above 86 / 123 In the metro city of Kolkata, the major cause of air pollution is Hydrocarbons Carbon monoxide Water vapours None of the above 87 / 123 Surface ozone is produced from [December 2009] Transport sector Cement plants Textile industry Chemical industry 88 / 123 Name the substance whose accumulation in pelicans of Lake Michigan led to the formation of thin shells of their eggs. CFC PAN DDT PAC 89 / 123 Name the process in which a harmful chemical enters the food chain and gets concentrated at each level in the food chain. Concentration Biomagnification Expansion Pollution 90 / 123 Combustion of most fuels releases CO2 SO2 NO2 O2 91 / 123 The use of which of the following fuel can help in the reduction of air pollution? Petrol Diesel CNG None of the above 92 / 123 Which of the following organisms is the main indicator for sulphur dioxide pollution? Blue green algae Lichens E. coli None of the above 93 / 123 Silicosis is caused in the Textile industry Sugar industry Stone crushers All the above 94 / 123 The safe permissible limit of sulphate in domestic water supplies is 100 mg/l 200 mg/l 400 mg/l 300 mg/l 95 / 123 When fluoride concentration in water exceeds 1.5 mg/l or so, the disease that may be caused is Fluorosis Poliomyelitis Dental decay None of the above 96 / 123 The presence of high algal content in water indicates that the water is Neutral Alkaline Acidic None of the above 97 / 123 Stockholm Convention is a global treaty to protect environment and human health from Greenhouse gases Persistent organic pollutants Hospital acquired Infections None of the above 98 / 123 The gradual build-up of concentration of chemicals as they transfer through higher levels of food chain is called Biomagnification Biodegradation Bioconcentration None of the above 99 / 123 Which of the following is not an air pollutant? Oxides of carbon Oxides of sulphur Oxides of nitrogen Oxides of hydrogen 100 / 123 Fertilizers can be washed into rivers by rain leading to Bioaccumulation Eutrophication Biodegradation Spontaneous combustion 101 / 123 Which of the following is not recommended for management of plastic waste? Incineration Deep burial Autoclave/hydroclave All the above 102 / 123 The rules pertaining to biomedical waste (India) are notified under Environmental (protection) Act, 1980 Environmental (protection) Act, 1983 Environmental (protection) Act, 1986 Environmental (protection) Act, 1988 103 / 123 Discharge of industrial wastewater causes all except Depletion of dissolved oxygen. Destruction of aquatic life. Change in climate. Impairment of biological activity 104 / 123 Which of the following elements is deposited into aquatic and terrestrial ecosystem when used in intensive agriculture practices? Nitrogen Phosphorus Sulphur None of these 105 / 123 Match List-I with List-II.List-I List-II(Act) (Year)A Water (Prevention and Control of Pollution) I 1974B Air (Prosecution and Control of Pollution) II 1981C Wildlife Protection Act III 1972D Environment Protection Act IV 1986Codes: A-I, B-II, C-III, D-IV A-I, B-III, C-II, D-IV A-IV, B-II, C-III, D-I A-IV, B-III, C-II, D-I 106 / 123 Which of the following statements are true in the context of particulate matter?1. It is basically a mist, more prevalent during winter weather.2. It is more prevalent in diesel engine vehicles.3. Long-term exposure can harm respiratory track and lung functions.Codes: 1 and 2 1, 2 and 3 2 and 3 1 and 3 107 / 123 The gas that is mainly responsible for global warming because of its quantity in the atmosphere is CFC CO2 CH4 N2 108 / 123 The living organism that serves as an indicator of air pollution is Viruses Fungi Bacteria E. coli 109 / 123 Which of the following terms is used to reflect the potential of a greenhouse gas to cause global warming? Warming potent Warming potential Global warming potential None of the above 110 / 123 Which of the following terms is used to describe phenomenon of removing carbon dioxide from nature by carbon sinks (natural or artificial)? Decomposition Biosequestration Emission trading None of the above 111 / 123 Which of the following body parts is most likely to be affected by nuclear radiation during the early stages of exposure? Skin Bones Bone marrow None of the above 112 / 123 According to WHO, the maximum permissible level of chlorides in drinking water is 100 mg/l 200 mg/l 600 mg/l 800 mg/l 113 / 123 Which of the following statements are correct in the context of carbon monoxide emissions?1. It is mainly due to incomplete combustion of fuel.2. They are more evident in petrol engine.3. Long-term exposure can cause nausea.Codes 1 and 2 only 1, 2, and 3 2 and 3 only 1 and 3 only 114 / 123 Unburnt carbon particles causes Cardiac problem Respiratory problems Throat problems Skin infection 115 / 123 Which of the following is not one of the prime health risks associated with greater UV radiation through the atmosphere due to depletion of stratospheric ozone? Increased skin cancer Reduced immune system Increased liver cancer Damage to eyes 116 / 123 Montreal Protocol signed in 1987 was signed to Phase out the use of CFC’s which cause depletion of the ozone layer. Reduces the greenhouse effect. Protect endangered species. Ban nuclear testing in tropical oceans. 117 / 123 Which of the following is not a major greenhouse gas? Carbon dioxide Water vapour Methane Calcium carbonate 118 / 123 Which of the following is not one of the major environment problems resulting from human interference in the nitrogen cycle? Global warming due to release of nitrous oxide Acid rain Eutrophication Ozone depletion 119 / 123 The best way to dispose plant waste is Burning Composting Dumping in a hilly area Incineration 120 / 123 CO2 is stored as a liquid in cylinder at High pressure Low pressure High temperature Low temperature 121 / 123 The best extinguisher for inflammable materials is Water SO2 CO2 CO 122 / 123 They are covered under Stockholm Convention, the toxic is also known as Agent Orange. It was sprayed by the US forces during Vietnam War to destroy the forest cover.Which of the following chemicals is being referred to in the above statement? Dioxin Asbestos Benzene All the above 123 / 123 Petrol engines release gaseous oxides of Sulphur Nitrogen Phosphorous Carbon Your score isThe average score is 32% LinkedIn Facebook VKontakte 0% Restart quiz Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to email a link to a friend (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Telegram (Opens in new window)Click to share on Pocket (Opens in new window)Click to share on Tumblr (Opens in new window) Pages 1 2 3 4 5
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