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level: aiims and disha questions

Questions and Answers List

level questions: aiims and disha questions

QuestionAnswer
which metal pollution causes sterility in humansmanganese
what is dissolved in water to make bordeaux mixturecopper sulphate
photochemical smog formed in congested metropolitan cities mainly consists ofhydrocarbons, SO2 and CO2
drinking of mineral water with very low level of pesticides for long periods of time maylead to accumulation of pesticides residues in body fat
minimata disease is pollution related disease it results fromrelease of industrial waste containing mercury in fishing water
nitrogen oxides, produced from the emission of automobiles and power plants, are the souce of fine air borne particles which lead tophotochemical smog
formation of non functional methaemoglobin caues blue baby syndrome. this is due toexcess of nitrates in drinking water
is DDT biodegradableno DDT is a non bio degradable pollutant
the two gases making the highest relative contribution to the greenhouse gases areCO2 and CH4
DDT residues are rapidly passed through food chain causing biomagnification because DDT islipo soluble
Euro II norms stipulate that sulphur be controlled at _____ ppm in diesel and _____ppm in petrol350,150
which organopesticides are fenitrothionfenitrothion is organophosphate pesticide
these are persistant pesticides which pass into food chain and increase in amount per unit weight of organisms with the rise in trophic levelorganochlorine
what is the result of ozone holeit results in rain failure, increase in radiation, cancer and reduction in crop production
what is double the concentration of what it was 250 years agogreen house gas
what is contaminationpresence of harmful organisms causing disease
how much percentage does the ozone layer deplete every yearby 67 percent
acid rain is caused by the increase in the atmospheric concentration ofSO2 and NO2
a scrubber in the exhaust of a chemical industrial plant removesgases like sulphur dioxide
the air prevention and control of pollution act came into force in1981
steps taken by the government of india to control air pollution includecompulsory PUC (pollution under control) certification of petrol driven vehicles which tests for carbon monoxide and hydrocarbons
in a coal fired power plant electrostatic precipitators are installed to control emission ofSPM
photochemical smog pollution does not containcarbon dioxide
which of the following is a secondary pollutantPAN
the CO2 content in the atmospheric air is about0.034 per cent
the taj mahal is threatened due to the effect ofSO2
major aerosol pollutant in jet plane emission isflorocarbons
secondary sewage treatment is mainly abiological process
a lake near a village suffered heavy mortality of fishes within a few days. what could be the reasonphytoplanktons populations in the lake declined initially thereby greatly reducing photosynthesis
list some bioindicator of water pollutionblood worms, sewage fungus and sludge worms
what are some chemicals used for disinfection of drinking waterchlorine, ozone and chloroamine
more than 70 per cent of world's fresh water is contained inpolar ice
in 1984, bhopal gas tragedy took place because methyl isocyanate reacted withwater
what plant is absent in polluted waterhydrilla
DDT causes egg shell thinning in birds because it inhibitscalcium ATPase
warm ocean surge of the peru current reoccuring every 5-8 years or so in the east pacific of south america is widely known asEl Nino
phosphate pollution is caused bysewage and agricultural fertilizers
in minamata bay japan, the animals which remained free from minamata disease arerabbits
rachel carson's famous book silent spring is related topesticide pollution
lead conc. in blood is considered alarming if it is30 mug/100ml
recently Govt. of india has allowed mixing of alcohol in petrol. what is the amount of alcohol permitted for mixing in petrol5 per cent