The process through which the water changes from its liquid state into water vapour is called

1. Evaporation
2. Condensation
3. Precipitation
4. Conduction

Which of the following factor controls the condensation?

1. The air temperature must fall below the dew point temperature
2. The relative humidity must be high
3. High rate of cooling
4. All the above

Which of the following regions receive convectional type of rainfall?

1. Temperate zone
2. Equatorial zone
3. Tropical zone
4. Polar areas

Which of the following regions receive cyclonic type of rainfall?

1. Temperate zone
2. Mid-latitudinal region
3. Tropical zone
4. All the above