Match the pollutant(s) in Column I with the effect(s) in Column II.
| Column I | Column II | ||
|---|---|---|---|
| A. | Oxides of sulphur | 1. | Global warming |
| B. | Nitrogen dioxide | 2. | Damage to kidney |
| C. | Carbon dioxide | 3. | 'Blue baby' syndrome |
| D. | Nitrate in drinking water | 4. | Respiratory diseases |
| E. | Lead | 5. | Red haze in traffic and congested areas |
A. $\rightarrow$ (4)
B. $\rightarrow$ (5)
C. $\rightarrow$ (1)
D. $\rightarrow$ (3)
E. $\rightarrow$ (2)
A. Low concentration of sulphur dioxide causes respiratory disease e.g., asthma, bronchitis etc.
B. The irritant red haze in the traffic and congested place is due to oxides of nitrogen.
C. The increased amount of $\mathrm{CO}_2$ in air is mainly responsible for global warming.
D. Excess nitrate in drinking water cause methemoglobinemia (blue baby syndrome).
E. Lead can damage kidney, liver, reproductive system etc.
Match the activity given in Column I with the type of pollution created by it given in Column II.
| Column I | Column II | ||
|---|---|---|---|
| A. | Releasing gases to the atmosphere after burning waste material containing sulphur | 1. | Water pollution |
| B. | Using carbamates as pesticides | 2. | Photochemical smog, damage to plant life, corrosion to building material, induce breathing problems, water pollution |
| C. | Using synthetic detergents for washing clothes | 3. | Damaging ozone layer |
| D. | Releasing gases produced by automobiles and factories in the atmosphere | 4. | May cause nerve disease in human |
| E. | Using chlorofluorocarbon compounds for cleaning computer parts | 5. | Classical smog, acid rain, water pollution, induce breathing problems, damage to buildings, corrosion of metals |
A. $\rightarrow(5)$
B. $\rightarrow$ (4)
C. $\rightarrow$ (1)
D. $\rightarrow$ (2)
E. $\rightarrow(3)$
A. Classical smog, acid rain, water pollution, induce breathing problems, damage to buildings, corrosion of metals.
B. May cause nerve disease in human.
C. Water pollution.
D. Photochemical smog, damage to plant life, corrosion to building material, induce breathing problems, water pollution.
E. Damaging ozone layer.
Match the pollutants given in Column I with their effects given in Column II.
| Column I | Column II | ||
|---|---|---|---|
| A. | Phosphate fertilisers in water | 1. | BOD level of water increases |
| B. | Methane in air | 2. | Acid rain |
| C. | Synthetic detergents in water | 3. | Global warming |
| D. | Nitrogen oxides in air | 4. | Eutrophication |
A. $\rightarrow(1,4)$
B. $\rightarrow(3)$
C. $\rightarrow(1)$
D. $\rightarrow(2)$
A. Phosphate fertilisers increase growth of algae increasing BOD level, causing eutrophication.
B. Methane oxidises to $\mathrm{CO}_2$ which causes, global warming.
C. Synthetic detergents increases BOD level.
D. Nitrogen oxide mix with water forming nitric acid.
Assertion (A) Green house effect was observed in houses used to grow plants and these are made of green glass.
Reason (R) Green house name has been given because glass houses are made of green glass.
Assertion (A) The pH of acid rain is less than 5.6.
Reason (R) Carbon dioxide present in the atmosphere dissolves in rain water and forms carbonic acid.