Q. Consider the following statements regarding “ozone”:
1.It occurs naturally in the troposphere of the atmosphere.
2.Vehicles and industries are the major source of ground level ozone emissions.
Which of the statements given above is/are correct?
Answer: B
Notes:
Explanation: Ozone occurs naturally in the upper layers (Stratosphere) of the atmosphere.
- This important gas shields the earth from the harmful ultraviolet rays of the sun.
- However, at the ground level, it is a pollutant with highly toxic effects.
- Vehicles and industries are the major source of ground level ozone emissions.
- Ozone makes our eyes itch, burn, and water. It lowers our resistance to cold and pneumonia.
Source: Shankar IAS
