- 1(current)
Q. No.Which of the following statement(s) is wrong?
| 1. | Ozone is not responsible for the greenhouse effect. |
| 2. | Ozone can oxidize sulfur dioxide present in the atmosphere to sulfur trioxide. |
| 3. | Ozone hole is thinning of the ozone layer present in the stratosphere. |
| 4. | Ozone is produced in the upper stratosphere by the action of UV rays on oxygen. |
The gaseous envelope around the earth is known as atmosphere. The lowest layer of this is extended upto 10 km from sea level, this layer is
1. Stratosphere
2. Troposphere
3. Mesosphere
4. Hydrosphere
The pollutants which come directly in the air from sources are called primary pollutants. Primary pollutants are sometimes converted into secondary pollutants. Which of the following belongs to secondary air pollutants?
1. CO
2. Hydrocarbon
3. Peroxyacetyl nitrate
4. NO
Which of the following statements is correct?
| 1. | Ozone hole is a hole formed in stratosphere from which ozone oozes out |
| 2. | Ozone hole is a hole formed in troposphere from which ozone oozes out |
| 3. | Ozone hole is thinning of ozone layer of stratosphere at some places |
| 4. | Ozone hole means vanishing of ozone layer around the earth completely |
Match the activity given in Column I with the type of pollution created by it given in Column II.
|
Column I (Activity) |
Column II (Effect) |
|
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 |
Codes
| Options: | A | B | C | D | E |
| 1. | 2 | 3 | 4 | 1 | 5 |
| 2. | 1 | 2 | 3 | 5 | 4 |
| 3. | 5 | 4 | 1 | 2 | 3 |
| 4. | 4 | 5 | 3 | 2 | 1 |
- 1(current)
Q. No.
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