Biology
Match the items in column I with the closely related ones in column II.
| Column I | Column II |
|---|---|
| (i) Chlorofluocarbons (CFCs) | (a) Global warming |
| (ii) Flyash | (b) Biodegradable |
| (iii) Cow dung | (c) Nuclear radiation pollutant |
| (iv) CO2 and methane | (d) Acid rain |
| (v) Sulphur dioxide | (e) Industrial waste |
| (vi) Iodine - 131 | (f) Ozone depletion |
Pollution
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Answer
| Column I | Column II |
|---|---|
| (i) Chlorofluocarbons (CFCs) | (f) Ozone depletion |
| (ii) Flyash | (e) Industrial Waste |
| (iii) Cow dung | (b) Biodegradable |
| (iv) CO2 and methane | (a) Global Warming |
| (v) Sulphur dioxide | (d) Acid Rain |
| (vi) Iodine - 131 | (c) Nuclear Radiation Pollutant |
Answered By
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Related Questions
Assertion (A): The greenhouse effect is exacerbated by the presence of nitrogen oxides and sulphur oxides in the atmosphere, intensifying the absorption of heat and contributing to global warming.
Reason (R): Oxides of nitrogen and sulphur, primarily released through industrial activities and combustion processes, amplify the greenhouse effect by enhancing the heat-trapping capacities of the atmosphere, leading to an increase in the average global temperatures.
- Both A and R are True
- Both A and R are False
- A is True and R is False.
- A is False and R is True.
Name the following pollutants:
(i) A pollutant which is mainly responsible for causing acid rain.
(ii) Any two chemicals leading to the formation of ozone holes.
Fill in the blanks:
(i) Rubber particles and dust raised by running motor vehicles are examples of …………… pollutants.
(ii) Too frequent exposure to …………… in a medical diagnostic technique may damage chromosomes.
(iii) Thermal power plants give out a lot of …………… waste water.
(iv) Sewage is a liquid waste from ……………
Write the full forms of each :
(a) DDT
(b) ODF
(c) CFCs
(d) CNG
(e) LPG