Question

Green house effect refers to

• A. Cooling of earth
• B. Trapping of UV rays
• C. Production of cereals
• D. Warming of earth

Answer 1

The correct option is D

Warming of earth

A correct option is an option D.

The explanation for the correct option:

Greenhouse effect:

1. The process occurs when energy from the sun goes through its atmosphere and warms the planet's surface, but heat is not returned to outer space.
2. It increases the temperature.
3. Gasses responsible for the greenhouse effect are carbon dioxide, methane, nitrous oxide, etc.

The explanation for the incorrect options:

Option A:

The cooling of the earth is because of wind and temperature change.

Option B:

Trapping of UV rays is one of the most important reasons for the greenhouse effect.

Option C:

1. Cereals: The grain used for food is known as cereal.
2. Example: Wheat, maize, etc.

Final answer:

The greenhouse effect refers to the Warming of the earth.