Multiple Choice Questions

Which of the following gases shields the surface of earth from ultraviolet UV radiation from t...........

General Studies (MTS) Environment and Ecology

Which of the following gases shields the surface of earth from ultraviolet (UV) radiation from the sun?

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SSC MTS 14th July 2022 Shift-1

Carbon monoxide

Ozone

Oxygen

Carbon dioxide

- Ozone (Option 2):

- This gas forms a layer in the Earth's stratosphere.

- It absorbs most of the Sun's harmful ultraviolet (UV) radiation.

- This protection is crucial for life on Earth as UV rays can cause skin cancer and other damages.

- Carbon Monoxide (Option 1):

- A harmful gas produced by burning fossil fuels.

- Does not play a role in blocking UV radiation.

- Oxygen (Option 3):

- Essential for life and makes up a significant part of the atmosphere.

- Does not specifically block UV rays like ozone.

- Carbon Dioxide (Option 4):

- A greenhouse gas.

- Contributes to global warming but does not shield against UV rays.

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