19. Pollution

Q- Major aerosol pollutant in jet plane emission is
(a) Sulphur dioxide
(b) Carbon monoxide
(c) Methane
(d) Fluorocarbon
Ans: (d)

Q- In the context of ecosystem productivity marine upwelling zones are important as they increase the marine productivity by bringing the
1. decomposer micro-organisms to the surface.
2. nutrient to the surface.
3. bottom dwelling organisms to the surface. Which of the statements given below are correct?
(a) 1 and 2 (b) Only 2
(c) 2 and 3 (d) Only 3
Ans: (c)

Q- Chief air pollutant in big metropolitan city like Kolkata and Mumbai
(a) CO and SO2
(b) Hydrocarbon
(c) Spores of algae
(d) Ozone
Ans: (a)

Q- Which of the following is chief air pollutant?
(a) CO (b) CO2
(c) N2 (d) S
Ans: (a)

Q- Carbon monoxide is harmful to human beings as it is
(a) Carcinogenic
(b) Antagonistic to CO2
(c) With higher affinity for haemoglobin as compared to oxygen
(d) Destructive to O2
Ans: (c)

Q- Pollution indicator plants
(a) are resistant to pollution
(b) can purify the atmosphere
(c) are very sensitive to pollutants
(d) can indicate onset of rain
Ans: (c)

Q- Bhopal gas tragedy was due to
(a) Air pollution
(b) Soil pollution
(c) Water pollution
(d) None of the above
Ans: (a)

Q- Taj Mahal is threatened by pollution from
(a) Chlorine
(b) Sulphur dioxide
(c) Hydrogen (d) Oxygen
Ans: (b)

Q- Among pollutants which has the most lasting effect
(a) Carbon monoxide
(b) Pesticides
(c) Sulphur dioxide
(d) Smoke from chimney
Ans: (b)

Q- The gas leaked out in Bhopal gas tragedy
(a) Carbon monoxide
(b) Ethyle isocynate
(c) Methyl isocynate
(d) SO2 and NO2
Ans: (c)

Q- BOD is
(a) Biological oxygen deficit
(b) Biosphere oxygen demand
(c) Biological oxygen demand
(d) None of the above
Ans: (c)

Q- Carbon monoxide, emitted by automobiles, prevent transport of oxygen in body due to
(a) Combining with oxygen to form carbondioxide
(b) Destruction of haemoglobin
(c) Preventing reaction between oxygen and haemoglobin
(d) Forming stable compound with haemoglobin
Ans: (d)

Q- Taj may be destroyed by
(a) Flood in Yamuna
(b) Temperature mediated spoilage of marble
(c) Air pollutant from Mathura refinery
(d) All of the above
Ans: (c)

Q- Spraying of DDT produce pollution of
(a) Air
(b) Air and water
(c) Air and soil
(d) Air, water and soil
Ans: (d)

Q- Effect of pollution is most marked on
(a) Natural balance of nature
(b) Natural geochemical cycles
(c) Natural flora of place
(d) All of the above
Ans: (a)

Q- Minimata disease is due to pollution of
(a) Organic waste into drinking water
(b) Oil spill in water
(c) Industrial waste mercury in water
(d) Arsenic into the atmosphere
Ans: (c)

Q- Chief source of water and soil pollution is
(a) Mining
(b) Thermal power plant
(c) Agro industry
(d) All of the above
Ans: (d)

Q- Ultraviolet rays coming from sun causes
(a) Lung cancer
(b) Mouth cancer
(c) Skin cancer
(d) Cancer of liver
Ans: (c)

Q- Sound become hazardous noise pollution at level
(a) above 30 dB
(b) above 80 dB
(c) above 100 dB
(d) above 120 dB
Ans: (b)

Q- Ultimate environmental hazard to mankind is due to
(a) Nuclear pollution
(b) Water pollution
(c) Air pollution
(d) Noise pollution
Ans: (a)

Q- Which of the following is not considered as air pollutant?
(a) Hydrocarbon
(b) Carbon monoxide
(c) Carbon dioxide
(d) Sulphur dioxide
Ans: (c)

Q- Fish die in water bodies polluted by sewage due to
(a) Pathogenes
(b) Clogging of gills by silts
(c) Reduction in oxygen
(d) Foul smell
Ans: (c)

Q- Pollutant likely to deplete ozone layer is
(a) Carbon monoxide
(b) Nitrogen oxides
(c) Chloroflurocarbons
(d) Both (b) and (c)
Ans: (d)

Q- DDT is
(a) Green house gas
(b) Degradable pollutant
(c) Non-degradable pollutant
(d) None of the above
Ans: (c)

Q- Pollution is
(a) Removal of top soil
(b) Release of toxic undesirable material in environment
(c) Conservation of energy
(d) All of the above
Ans: (b)

Q- Major pollution causing agent is
(a) Hydrocarbon
(b) Animals
(c) Man
(d) None of the above
Ans: (c)

Q- Ozone hole is maximum over
(a) Europe (b) Antarctica
(c) India (d) Africa
Ans: (b)

Q- Ozone day is
(a) January, 30 (b) September, 16
(c) April, 21 (d) December, 25
Ans: (b)

Q- Increased asthmatic attacks in certain seasosns are related to
(a) Inhalation of seasonal pollen
(b) Eating of seasonal vegetables
(c) Low temperature
(d) Wet and dry environment
Ans: (a)

Q- Domestic waste constitutes
(a) Non-biodegradable pollution
(b) Biodegradable pollution
(c) Effluents
(d) Air pollution
Ans: (b)

Q- Ozone layer present in our atmosphere absorb
(a) Cosmic rays
(b) Infra-red rays
(c) Ultraviolet rays
(d) All rays
Ans: (c)

Q- Which gas is responsible for global warming?
(a) O2
(b) O2 and CO2
(c) CO2 and CH4
(d) CH4
Ans: (c)

Q- Which of the following gas do not considered as polluting agent of air?
(a) CO2 (b) CO
(c) NO2 (d) SO2
Ans: (a)

Q- Water pollution of a river is measured by
(a) Amount of chlorine dissolve in water
(b) Amount of ozone dissolve in water
(c) Amount of nitrogen dissolve in water
(d) Amount of oxygen dissolve in water
Ans: (d)

Q- Which of the following air pollutant affect the nervous system of man?
(a) Lead (b) Cadmium
(c) Mercury (d) Sillica
Ans: (a)

Q- Which of the following form of energy do not have the problem of pollution?
(a) Coal (b) Atom
(c) Petrol (d) Sun
Ans: (d)

Q- Atmosphere of big metropolitan cities is polluted most by
(a) Automobile exhausts
(b) Pesticides residue
(c) Household waste
(d) Radioactive fall out
Ans: (a)

Q- Which of the following is nonbiodegradable pollutant?
(a) Plastic (b) DDT
(c) Murcury (d) All of these
Ans: (d)

Q- World environment day is
(a) 28th Feb. (b) 5th June
(c) 7th June (d) 10th April
Ans: (b)

Q- 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
Ans: (d)

Q- Which of the following is green house gases?
(a) CO2, O2, NO2, NH3
(b) CFC, CO2, NH3, N2
(c) CH4, N2, CO2, NH3
(d) CFC, CO2, CH4, NO2
Ans: (d)

Q- Acid rain is due to
(a) Excess production of coal gas
(b) Excess release of CO2 due to increasing cumbustions and respiration
(c) Excess release of SO2 and NO2 from burning fossil fuels
(d) Excess production of gaseous hydrocarbon
Ans: (c)

Q- Green house effect is
(a) Collection of green house gases which rise the temperature of atmosphere
(b) Production of flower and vegetable in increased temperature
(c) Production of crop in glass house
(d) None of the above
Ans: (a)

Q- Which of the following is most effective green house gases?
(a) Freone
(b) Methane
(c) Carbon dioxide
(d) Chloroflurocarbon
Ans: (c)

Q- Air pollution is maximum by
(a) Sewage and pesticides
(b) Sewage and effluents
(c) Detergents and pesticides
(d) Automobile exhausts and chemical from industries
Ans: (d)

Q- Carbon monoxide is a pollutant because
(a) It combines with oxygen
(b) It affects nervous system
(c) It checks the process of glycolysis
(d) It combines with haemoglobin
Ans: (d)

Q- National Environmental Engineering research institute is situated in
(a) Ranchi
(b) Cuttak
(c) Jamsedpur
(d) Nagpur
Ans: (d)

Q- Which of the following produce maximum sound pollution?
(a) Top music
(b) Heavy truck
(c) Jet flight
(d) None of the above
Ans: (c)

Q- Pollutant produced from vehicles which cause mental diseases is
(a) NO2 (b) SO2
(c) Pb (d) Hg
Ans: (c)

Q- Air pollution is indicated by
(a) Fern and Cycus
(b) Algae and Liverwort
(c) Lichens and Moss
(d) Neem
Ans: (c)

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