Description : Which Pollutant causes leaf curling a) CO b) H2S c) O3 d) SO2
Last Answer : d) SO2
Description : Major aerosol pollutant in Jet Plane emission is a) SO2 b) CO c) CH4 d) CFC.
Last Answer : d) CFC.
Description : The pollutant responsible for ozone holes is - (1) CO2 (2) SO2 (3) CO (4) CFC
Last Answer : (4) CFC Explanation: Chlorofluorocarbons (CFCs) have been held responsible for the depletion of ozone layer. The manufacture of CFCs has been phased out under the Montreal Protocol, and they are being replaced with other products such as HFCs.
Description : The most dangerous pollutant in vehicular emissions is A. CO B. SO2 C. CO2 D. O3
Last Answer : ANS: A
Description : Which of the following is a secondary pollutant? (a) CO (b) CO2 (c) SO2 (d) O3
Last Answer : (d) O3
Description : Which one of the following is a most harmful pollutant by automobiles? (a) SO2 (b) CO (c) N2O (d) CO2
Last Answer : (b) CO
Description : Which of the following is a secondary pollutant (1) CO (2) CO2 (3) SO2 (4) O3
Last Answer : (4) O3
Description : The pollutant responsible for ozone holes is _____. (1) CO2 (2) SO2 (3) CO (4) CFC
Last Answer : CFC
Description : Acid rain is due to increase in atmospheric concentration of (a) ozone and dust (b) CO2 and CO (c) SO3 and CO (d) SO2 and NO2
Last Answer : (d) SO2 and NO2.
Description : Acid rain is due to increase in atmospheric concentration of (a) ozone and dust (b) CO2 and CO (c) SO3 and CO (d) SO2 and NO2.
Description : Acid rain is caused by increase in the atmospheric concentration of (a) CO2 and CO (b) O3 and dust (c) SO2 and NO2 (d) SO3 and CO.
Last Answer : (c) SO2 and NO2
Description : Which of the following are responsible for the formation of photochemical smog ? 1. Light intensity 2. Ratio of hydrocarbons to nitric oxide 3. CO2 4. Hydrocarbon reactivity 5. SO2 (a) 1, 2, 3, 4 and 5 (b) 1, 2 and 4 only (c) 2, 3 and 4 only (d) 2, 3 and 5 only
Last Answer : (b) 1, 2 and 4 only
Description : The worst enemy of ozone is a) Liquid NH3 b) SO2 c) CH4 d) CO.
Last Answer : c) CH4
Description : Lichens indicate pollution by a) O3 b) SO2 c) NO2 d) CO.
Last Answer : b) SO2
Description : Acid rain is caused by a) SO2 and NO2 b) SO2 and CO c) NH3 and CO d) SO2 and NH3.
Last Answer : a) SO2
Description : Which one is not a pollutant normally? (a) Hydrocarbon (b) Carbon dioxide (c) Carbon monoxide (d) Sulphur dioxide
Last Answer : (b) Carbon dioxide
Description : Which of the following is the most severe air pollutant? (A) Hydrocarbons (B) NOx (C) SO2 (D) CO
Last Answer : (B) NOx
Description : Increasing high skin cancer and high mutation rate are a) O3 depletion b) Acid rain c) CO pollution d) CO2 Pollution.
Last Answer : a) O3 depletion
Description : A green house gas is a) H2 b) CO c) CO2 d) N2.
Last Answer : c) CO2
Description : Pollutants released from paddy field is a) CO2 b) CO c) H2O2 d) CH4.
Last Answer : d) CH4.
Description : Flue gas obtained on complete combustion of pure acetylene (a hydrocarbon fuel) will contain (A) CO (B) CO2 (C) H2O (D) Both (B) & (C)
Last Answer : (D) Both (B) & (C)
Description : Automobile exhaust is passed through two compartments catalytic converter employing platinum as catalyst for (A) Conversion of CO into CO2 in the second compartment (B) Conversion of NOx into N2 and NH3 in the first ... of unburnt hydrocarbon fuel in the second compartment (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : What are the components responsible for acid rain? (1) Nitrogen monoxide (NO) and Carbon monoxide (CO) (2) Sulphur dioxide (SO2) and Nitrogen oxides (NOx) (3) Carbon dioxide (CO2) and Carbon monoxide (CO) (4) Oxides of carbon (COx) and Oxides of nitrogen (NOx)
Last Answer : (2) Sulphur dioxide (SO2) and Nitrogen oxides (NOx) Explanation: Acid rain is caused by emissions of sulfur dioxide (SO2) and nitrogen oxide (NO), which react with the water molecules in the ... in acid rain can cause paint to peel, corrosion of steel structures and weathering of stone buildings.
Description : Acid rains are due to which of the following gases? (a) CO2 and CO (b) Ozone and CO2(c) NO2 and SO2 (d) NH3 and CO2
Last Answer : (c) NO2 and SO2
Description : If CO2 is not fully absorbed by the KOH solution meant for its absorption in the orsat apparatus, it will appear as (A) O2 (B) CO (C) N2 (D) SO2
Last Answer : (D) SO2
Description : Main pollutants released from iron & steel industry is (A) CO, CO2 & SO2 (B) H2S, NO & SO3 (C) CO2 , H2S & NO2 (D) SO3 , NO2 & CO2
Last Answer : (A) CO, CO2 & SO2
Description : Which of the following pollutants, if present in atmosphere is detectable by its odour ? (A) CO (B) SO2 (C) NO2 (D) CO2
Last Answer : (B) SO2
Description : Main pollutants released from petroleum refineries is (A) CO, SO2 & H2S (B) CO2 , NO & SO3 (C) CO2 , H2S & NO2 (D) SO3 , NO2 & CO2
Last Answer : (A) CO, SO2 & H2S
Description : What are the components responsible for acid rain? (1) Nitrogen monoxide (NO) and Carbon monoxide (CO) (2) Sulphur dioxide (SO2 ) and Nitrogen oxides (NOx ) (3) Carbon dioxide (CO2 ) and Carbon monoxide (CO) (4) Oxides of carbon (COx ) and Oxides of nitrogen (NOx )
Last Answer : Sulphur dioxide (SO2 ) and Nitrogen oxides (NOx )
Description : SO2 pollution causes a) Plasmolysis b) Destruction of cell wall c) Destruction of Golgi bodies
Last Answer : c) Destruction of Golgi bodies
Description : SO2 and NO2 Produce pollution by increasing a) Alkalinity b) Acidity c) Neutrality d) Buffer action.
Last Answer : b) Acidity
Description : Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion ... rate? (A) CO (B) SO2 (C) NOx (D) CFC (chloro fluoro carbons)
Last Answer : (A) CO
Description : Which of the following is a secondary pollutant? (a) PAN (b) Aerosol (c) CO (d) CO2
Last Answer : (a) PAN
Description : Main pollutant present in automobile exhaust is (A) CO (B) CO2 (C) NO (D) Hydrocarbons
Description : In bioremediation, bio-films are usually used a. At the source of pollutant b. After collection of pollutant c. After treatment of pollutant d. Before pollutant is produced
Last Answer : a. At the source of pollutant
Description : Minamata disease is due to pollutant a) Lead b) Mercury c) Hydrogen Sulphide d) Sulphur dioxide
Last Answer : b) Mercury
Description : Most abundant water pollutant is a) Detergents b) Pesticides c) Industrial wastes d) Ammonia.
Last Answer : c) Industrial wastes
Description : Chief air pollutant which is likely to deplete ozone layer is a) Sulphur dioxide b) Carbon dioxide c) Carbon monoxide d) Nitrogen oxides and Fluorocarbons.
Last Answer : d) Nitrogen oxides and Fluorocarbons
Description : Carbon monoxide is pollutant as it a) Inactivates nerves b) Inhibits glycolysis c) Combines with oxygen d) Combines with haemoglobin.
Last Answer : d) Combines with haemoglobin.
Description : Pick out the wrong statement. (A) Benzopyrene which causes cancer is present in traces in tobacco, charcoal & petrol driven automobile exhaust (B) NO2 is capable of penetrating the troposphere and ... at all produced during combustion of sulphur bearing fuels as all the sulphur is oxidised to SO2
Last Answer : (D) H2S is not at all produced during combustion of sulphur bearing fuels as all the sulphur is oxidised to SO2
Description : Which of the following is not a gaseous air pollutant? (1) Oxides of nitrogen (2) Hydrocarbon (3) Smoke (4) Oxides of sulphur
Last Answer : (2) Hydrocarbon Explanation: The gaseous air pollutants of primary concern in urban settings include sulfur dioxide, nitrogen dioxide, and carbon monoxide; these are emitted directly into the air ... is also a pollutant. Hydrocarbon is an organic compound consisting entirely of hydrogen and carbon.
Last Answer : Hydrocarbon
Description : Pollutant from motor car exhaust that causes mental disease is – (1) Lead (2) NO2 (3) SO2 (4) Hg
Last Answer : (1) Lead Explanation: Lead poisoning is a medical condition caused by increased levels of the heavy metal lead in the body. Lead interferes with a variety of body processes and is toxic to ... It interferes with the development of the nervous system, and is therefore particularly toxic to children.
Description : Major gaseous pollutant of the thermal power station is – (1) H2S (2) NH3 (3) NO2 (4) SO2
Last Answer : (4) SO2 Explanation: A flue-gas stack is a type of chimney, a vertical pipe, channel or similar structure through which combustion product gases called flue gases are exhausted to the outside air ... CO2) and water vapor as well as nitrogen and excess oxygen remaining from the intake combustion air.
Description : Which of the following is the common pollutant emitted from metallurgical smelters, thermal power plant and cement plants? (A) NOx (B) Hg (C) SO2 (D) F
Last Answer : (C) SO2
Description : Pick out the correct statement. (A) Deforestation helps in controlling the green house effect (B) Global warming is detrimental for increase in food productivity and may cause flood and cyclone ( ... natural source of production of SO2 & H2S pollutant (D) Sulphur dioxide causes death by asphyxiation
Last Answer : (B) Global warming is detrimental for increase in food productivity and may cause flood and cyclone
Description : __________ plant emits large amount of SO2 as an air pollutant. (A) Nitric acid (B) Sulphuric acid (C) Chlor alkali (D) Iron & steel
Last Answer : (B) Sulphuric acid
Description : Pollutant from motor car exhaust that causes mental disease is (1) Lead (2) NO2 (3) SO2 (4) Hg
Last Answer : Lead
Description : Major gaseous pollutant of the thermal power station is (1) H2 S (2) NH3 (3) NO2 (4) SO2
Last Answer : SO2