Q. No.Identify the incorrectly matched pair:
1.
International Day of Forests
March 21
2.
World Water Day
March 22
3.
Earth Day
May 22
4.
World Environment Day
June 5
1.
International Day of Forests
March 21
2.
World Water Day
March 22
3.
Earth Day
May 22
4.
World Environment Day
June 5
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 |
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.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
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 |
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