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

Question : When a stone is thrown into the calm water of a pond, the waves produced on the surface of the water in the pond are:

Option 1: Longitudinal

Option 2: Transverse

Option 3: Both longitudinal and transverse

Option 4: Waves are not produced

Question : Which of the following is not a technique or a step to convert normal water to potable water?

Option 1: Filtration

Option 2: Bromination

Option 3: Boiling

Option 4: Chlorination

Question : What is a major cause of water scarcity?

Option 1: Excessive rainfall

Option 2: Overuse and wastage of water

Option 3: Abundance of freshwater resources

Option 4: Efficient water management practices