QUIZ ON WATER CONSERVATION

What is the term used for the technique of collecting rainwater to be used later?

• Rain collection

• Rainwater harvesting

• Rain digging

• Rain water pumping

Answer explanation

Rainwater harvesting is a technique of collection and storage of rainwater into natural reservoirs or tanks. Rainwater can be collected from rivers, roofs and in many places. The stored water can be used in needy situation.

What is the name of the process to clean water using filters?

• Sublimation

• Oxidation

• Rainwater harvesting

• Purification

Answer explanation

Purification of water is the process of removing undesirable chemicals, biological contaminants and gases from water. Water filter, the device uses small scale quality improvement clean the water for domestic purposes.

How can we improve the efficiency of watering plants?

• By watering the plants excessively

• By not watering the plants at all

• By using a drip irrigation system

• By adding more fertilizers

Answer explanation

Drip irrigation is a method of controlled irrigation in which water is slowly delivered to the root system of multiple plants. Drip irrigation increases the water efficient irrigation system and hence it is very helpful in water conservation.

What is the term used for the process of removing impurities from drinking water?

• Distillation

• Filtration

• Condensation

• Evaporation

Which irrigation method is commonly used in Dia's garden to water her plants?

• Drip irrigation

• Sprinkler irrigation

• Flood irrigation

• Subsurface irrigation

What is the term used for the process of collecting and storing rainwater underground?

• Groundwater pumping

• Underground water harvesting

• Subterranean water collection

• Aquifer storage

What are the two main types of irrigation systems used in the farm?

• Surface and Subsurface drip irrigation

• Under and Subsurface drip irrigation

• Top and Surface drip irrigation

• Top and Under drip irrigation

Answer explanation

Surface drip irrigation and subsurface drip irrigation are the two main types of drip irrigation. In surface drip irrigation the water is delivered to the surface of the soil directly above the root system of the plants. In subsurface drip irrigation the water is applied directly to the root system.

What is called for an area surrounding a body of water in which that body of water is subject to?

• Rainwater harvesting

• Watershed

• Water pumping

• Water cycle

Answer explanation

Watersheds include groundwater flow as well slowly flows through deep soil.

For example, if a river is flowing through a city, its watershed would be the surrounding land that is sloped towards the river including forests.

What is the term used for the process of reusing wastewater for agricultural purposes?

• Desalination

• Recycling

• Evaporation

• Condensation

Which irrigation method involves the use of canals to distribute water to crops?

• Drip irrigation

• Sprinkler irrigation

• Flood irrigation

• Canal irrigation