environmental issues
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environmental issues - Leaderboard
environmental issues - Details
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56 questions
| 🇬🇧 | 🇬🇧 |
| What is dissolved in water to make bordeaux mixture | Copper sulphate |
| Photochemical smog formed in congested metropolitan cities mainly consists of | Hydrocarbons, SO2 and CO2 |
| Drinking of mineral water with very low level of pesticides for long periods of time may | Lead to accumulation of pesticides residues in body fat |
| Minimata disease is pollution related disease it results from | Release 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 to | Photochemical smog |
| Formation of non functional methaemoglobin caues blue baby syndrome. this is due to | Excess of nitrates in drinking water |
| Is DDT biodegradable | No DDT is a non bio degradable pollutant |
| DDT residues are rapidly passed through food chain causing biomagnification because DDT is | Lipo soluble |
| Euro II norms stipulate that sulphur be controlled at _____ ppm in diesel and _____ppm in petrol | 350,150 |
| Which organopesticides are fenitrothion | Fenitrothion is organophosphate pesticide |
| What is the result of ozone hole | It results in rain failure, increase in radiation, cancer and reduction in crop production |
| What is contamination | Presence of harmful organisms causing disease |
| A scrubber in the exhaust of a chemical industrial plant removes | Gases like sulphur dioxide |
| Steps taken by the government of india to control air pollution include | Compulsory PUC (pollution under control) certification of petrol driven vehicles which tests for carbon monoxide and hydrocarbons |
| Photochemical smog pollution does not contain | Carbon dioxide |
| The CO2 content in the atmospheric air is about | 0.034 per cent |
| Major aerosol pollutant in jet plane emission is | Florocarbons |
| Secondary sewage treatment is mainly a | Biological process |
| A lake near a village suffered heavy mortality of fishes within a few days. what could be the reason | Phytoplanktons populations in the lake declined initially thereby greatly reducing photosynthesis |
| List some bioindicator of water pollution | Blood worms, sewage fungus and sludge worms |
| What are some chemicals used for disinfection of drinking water | Chlorine, ozone and chloroamine |
| Phosphate pollution is caused by | Sewage and agricultural fertilizers |
| Rachel carson's famous book silent spring is related to | Pesticide pollution |
| The worst environmental hazards were created by accidents in nuclear power plant and MIC gas tradegy respectively in | Ukraine in 1986 and bhopal in 1984 |
| Motreal protocol is about | Limit the production of CFCs to half in 1987 |
| Which important green gas other than methane is being produced from the agricultural fields | Nitrous oxide |
| Formation of ozone is maximum over | Antartica |
| Deforestation will decrease | Rainfall |