PPSC Chemistry Part V Environmental Chemistry Online Test With Answers

PPSC Chemistry Part V Environmental Chemistry Online Test

Sr. # Questions Answers Choice
1 Which of the following is major sink for carbo monoxide. Water Soil Animal respiration Salts dissolved in ocean water
2 Which of the following reacts with hemoglobin of blood and produce toxic effect. Carbon dioxide Carbon monoxide Oxygen Carbon suboxide
3 Photochemical among is generally formed In early hours of winters Around mid day in summer months When intensity of solar radiation sis very low When concentration of particulate matter is very low.
4 The presence of which of the following in drinking water is responsible for mottling of teach. Mercury Iodine Chlorine Flourine
5 Water is often treated with chlorine to Increases oxygen content Kill germs Cause sedimentation Remove insoluble impurities.
6 Water pollution is due to Agricultural discharges Swages and other wastes Industrial effects All the above
7 Environmental pollution effects. Biotic component Plants only Humans only Both biotic and abiotic components of environment
8 Ozone layer of stratosphere requires protection from indiscriminate use of. Fungicides, insecticides, bactericides and medicines Aerosols and high flying jets Atomic explosions and industrial wastes Weather ballons
9 Peeling of ozone umbrella is due to. CFCa PAN CO2 Coal burning
10 DDT is Biodegradable pollutant Nodegradable contaminant Air pollutant An antibiotic
11 Which among the following is secondary pollutant. CO CO2 PAN Aerosol
12 Which of the following play significant role in depletion of ozone layer. Oxides of nitrogen Oxides of carbon Oxides of sulphur None of above
13 Most Hazardous metal pollutant of automobile exhaust is. Tin Mercury Cadmium Lead
14 Photochemical among is related to pollution of Air Water Soil All of the above
15 Ozone hole refers to. Black hole Decrease to thickness of ozone layer in stratosphere Decrease of thickness of ozone in troposphere Increase concentration of ozone in the atmosphere
16 Which of the following is renewable resources of energy. Hydropower Wind power Solar power All above
17 Bioconversion of biomass can be used for. Heating purposes Power production Methane production All of the above
18 Biomass refers to all the organic material derived from Photolysis Photosynthesis Electrolysis Oxidation
19 The splitting of H2O can be carried out through Photolysis Electrolysis Dialysis Hydrogenation
20 Which of the following gas does not exist free on earth. N2 H2 O2 CH4
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