Q. No.Identify the incorrectly matched pair:
1.
World No Tobacco Day
May 31
2.
World Ocean Day
June 8
3.
International Day for the Preservation of the Ozone Layer
December 16
4.
International Day for Preventing the Exploitation of the Environment in War and Armed Conflict
November 6
1.
World No Tobacco Day
May 31
2.
World Ocean Day
June 8
3.
International Day for the Preservation of the Ozone Layer
December 16
4.
International Day for Preventing the Exploitation of the Environment in War and Armed Conflict
November 6
To be regarded as a sanitary landfill site, all the following conditions must be fulfilled except:
1. Full or partial hydrogeological isolation
2. Refuge should be kept in an open-burning dump
3. Permanent control
4. Planned waste emplacement and covering
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Polyblend is:
| 1. | environment-friendly way of disposing of solid wastes |
| 2. | replacement of CFCs in the refrigeration industry |
| 3. | an innovative way of sealing the radioactive wastes |
| 4. | a product that has the potential to effectively deal with plastic wastes |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
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Agricultural [Agro-Chemical] pollution may lead to:
| I: | Leaching, runoff and eutrophication |
| II: | Contamination of water bodies by heavy metals |
| 1. | Only I | 2. | Only II |
| 3. | Both I and II | 4. | Neither I nor II |
The number of the correct statements regarding organic farming, amongst the following, are:
| I: | Organic farming encourages crop diversity and often employs polyculture. |
| II: | Organic farming relies heavily on the natural breakdown of organic matter. |
| III: | Organic weed management promotes weed elimination, rather than weed suppression |
| IV: | Pest are used under Integrated Pest Management |
| V: | Raising livestock and poultry, for meat, dairy and eggs, is another traditional farming activity that complements growing. |
| VI: | It promotes use of genetically engineered plants and animals. |
1. Three
2. Four
3. Five
4. Six
The accidental leakage of radioactive wastes occurred in the “Three Mile Island” and “Chernobyl” respectively in:
| 1. | 1979 and 1986 | 2. | 1981 and 1988 |
| 3. | 1985 and 1991 | 4. | 1987 and 1999 |
The environmental effects of global warming include all the following except:
| 1. | Arctic sea ice decline, sea level rise, retreat of glaciers |
| 2. | Extreme weather, extreme events, tropical cyclones |
| 3. | Ocean oxygenation and increased alkalinity of ocean waters |
| 4. | Runaway and abrupt climate change |
The common misconceptions regarding ozone depletion include:
| I. | Since CFC molecules are heavier than air (nitrogen or oxygen), the CFC molecules cannot reach the stratosphere in a significant amount. |
| II. | Natural sources of tropospheric chlorine are four to five times larger than man-made ones and are responsible for ozone depletion. |
| III. | The ozone hole should be above the sources of CFCs. |
| 1. | Only I and II | 2. | Only I and III |
| 3. | Only II and III | 4. | I, II, and III |
Why is carbon dioxide regarded as a greenhouse gas?
| 1. | It is involved in photosynthesis |
| 2. | It absorbs infrared radiation |
| 3. | It emits visible radiation |
| 4. | It absorbs and emits ultraviolet radiation |
The levels of carbon dioxide is consistently increasing over the last 100+ years mainly because:
| 1. | increased respiration by increasing the human population. |
| 2. | increased worldwide standing crop. |
| 3. | an increase in the amount of infrared radiation absorbed by the atmosphere. |
| 4. | the burning of larger amounts of wood and fossil fuels. |
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