Natural Resources Test - 11

The evaporated water comes back to Earth as rainfall i.e., precipitation.

The correct answer is B.

Why alternative A is wrong:

Sedimentation is the process of accumulation or settling of suspended particles. This process is not a part of the water cycle. Hence, this alternative is incorrect.

Why alternative C is wrong:

Transpiration is the process by which plants lose excess water. It is a type of evaporation, though it is not a part of the water cycle. Hence, this alternative is incorrect.

Why alternative D is wrong:

Coagulation is the process by which colloidal solutions form clots or lumps. This process is not a part of the water cycle. Hence, this alternative is incorrect.

Precipitation is the process that takes place because of the saturation of water vapour in the atmosphere.

The correct answer is C.

Why alternative A is wrong:

Collection is the process in which rain water gets collected in various water bodies. It is a result of the accumulation of water after rainfall. Hence, this alternative is incorrect.

Why alternative B is wrong:

Evaporation is the process in which water gets converted into water vapour. Water gets evaporated because of solar energy. Hence, this alternative is incorrect.

Why alternative D is wrong:

Condensation occurs because of the action of atmospheric pressure on the water vapour present in the atmosphere. This leads to the formation of clouds. Hence, this alternative is incorrect.

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Heat energy gets trapped by the reflection of infrared radiation by Earth’s atmosphere. This consequently heats the air near the surface of Earth, causing global warming.

The correct answer is A.

Why alternative B is wrong:

Solar heating is the application of solar energy for heating purposes. Hence, this alternative is incorrect.

Why alternative C is wrong:

An earthquake occurs as a result of the movement of tectonic plates. Hence, this alternative is incorrect.

Why alternative D is wrong:

A landslide is a geographical process that occurs as a result of the weathering of rocks in mountainous regions. Hence, this alternative is incorrect.

Deforestation leads to a decrease in the number of trees. This leads to a decrease in the rate of transpiration, which in turn leads to a decrease in the rate of water cycle.

The correct answer is B.

Why alternative A is wrong:

The cultivation of trees in a particular region is called afforestation. This increases the rate of transpiration, which further increases the rate of water cycle. Hence, this alternative is incorrect.

Why alternative C is wrong:

.Global warming leads is gradually increasing the overall atmospheric temperature of Earth. This phenomenon is increasing the rate of water cycle. Hence, this alternative is incorrect.

Why alternative D is wrong:

Volcanic eruption leads to the discharge of a large amount of gases and water vapour in the atmosphere. This increases the overall concentration of water vapour and the rate of water cycle. Hence, this alternative is incorrect.

When water droplets become too heavy to float in air, they fall on Earth in the form of rainfall. This process is known as precipitation.

The correct answer is B.

Why alternative A is wrong:

Clouds are formed when the water vapor present in air condense.

Why alternative C is wrong:

Snowfall is the precipitation of ice, and not water droplets.

Why alternative D is wrong:

Lightning is the discharge of electrical charges from the atmosphere to the ground.

Prolonged exposure to ultraviolet rays can cause skin cancer.

The correct answer is A.

Sun’s energy heats up water present in rivers, seas, and oceans. Solar energy turns water into water vapor. This process is known as evaporation. Hence, evaporation of water transports water from the surface of Earth to the atmosphere.

The correct answer is C.

Why alternative A is wrong:

Condensation is the transformation of water vapor to water droplets. Condensation of water vapor in the atmosphere results in the formation of clouds.

Why alternative B is wrong:

When water droplets become too heavy to float in air, they fall on Earth in the form of rainfall. This process is known as precipitation. Precipitation also occurs in the form of snow or ice.

Why alternative D is wrong:

Runoff is the movement of precipitated water on Earth.