Question : Which of the following is a method of water conservation?
Option 1: Deforestation to increase water runoff
Option 2: Constructing large dams in every river
Option 3: Using drip irrigation in agriculture
Option 4: Increasing industrial water discharge
Correct Answer: Using drip irrigation in agriculture
Solution : Using drip irrigation in agriculture is a method of water conservation, as it delivers water directly to the roots of plants, reducing evaporation and wastage.