Which of the following statements are “true” ?
Water vapour is present in air only during the monsoon. ( )

Explanation

To determine whether the statement "Water vapour is present in air only during the monsoon" is true or false, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Water Vapour**: Water vapour is the gaseous state of water and is present in the atmosphere at all times, not just during specific seasons.

2. **Evaporation Process**: Water vapour is primarily generated through the process of evaporation. This occurs when water from various sources, such as rivers, lakes, and oceans, turns into vapour due to heat.

...