Question : In the context of industrial water use, what is a common method for reducing water consumption?

Option 1: Increasing water discharge into rivers

Option 2: Using saltwater for cooling processes

Option 3: Implementing water recycling and reuse systems

Option 4: Relying solely on rainfall for water supply

Question : What is an effective strategy for water conservation in agriculture?

Option 1: Expanding irrigated areas

Option 2: Using traditional flood irrigation methods

Option 3: Implementing precision irrigation technologies

Option 4: Increasing the use of chemical fertilizers

Question : Which of the following is a non-point source of water pollution?

Option 1: Industrial discharge

Option 2: Sewage treatment plants

Option 3: Oil spills

Option 4: Agricultural runoff

Question : Which of the following is a technique of watering plants by making use of narrow tubings which deliver water directly to the base of the plant?

Option 1: Sprinkler irrigation

Option 2: Drip irrigation

Option 3: Step farming

Option 4: Sub-irrigation

Question : The advanced irrigation system in Vijayanagar included:

Option 1: Windmills

Option 2: Aqueducts

Option 3: Drip irrigation

Option 4: Water wheels