Environmental Science MCQ Questions and answers | EVS MCQ

Water vapour (H₂O) is the most abundant greenhouse gas in the earth's atmosphere.

Frost forms when an outside surface cools past the dew point. The dew point is the point where the air gets so cold, the water vapour in the atmosphere turns into liquid.

A narrow valley with steep sides is known as Gorge.

The dew point is the temperature to which air must be cooled to become saturated without changing the pressure.

The lowest temperature that can be attained by evaporating water into the air is the wet-bulb temperature.

Soil is a source of all minerals.

Thermal energy, or heat, is the energy that comes from the movement of atoms and molecules in a substance. Heat increases when these particles move faster. Geothermal energy is the thermal energy in the earth. Motion energy is energy stored in the movement of objects.

Chilika, the largest brackish water lake in Asia. Its is home to many migratory birds in the winters.

It changed its name to the International Union for Conservation of Nature and Natural Resources (IUCN) in 1956 and was also known as the World Conservation Union (IUCN) from 1990 to 2008. The IUCN is the world's oldest global environmental organization. Its headquarters are in Gland, Switzerland.

World Environment Day is held each year on June 5. It is one of the principal vehicles through which the United Nations (UN) stimulates worldwide awareness of the environment and enhances political attention and action.