Revision Water Efficiency in Housing

Why do we need to make houses more water-efficient?

• To reduce water bills and conserve water resources

• To increase the size of the house

• To make houses look more modern

• To increase the resale value of the house

What is one of the lifestyle choices mentioned that increases water demand?

• Using energy-efficient appliances

• Relying on water-intensive appliances

• Reducing water usage

• Planting more trees

What is the impact of higher temperatures on water quality?

• Improvement in water quality

• No effect on water quality

• Deterioration of water quality

• Increase in water availability

What is the purpose of the filtration step in rainwater harvesting?

• To store water

• To remove impurities

• To distribute water

• To collect water

What is used for the conveyance of rainwater in the rainwater harvesting process?

• Tanks and cisterns

• Pipes and gutters

• Filters

• Wells

Where is rainwater stored in the rainwater harvesting process?

• In the ocean

• In tanks and cisterns

• In rivers

• In the ground

Which of the following is a correct statement about greywater?

• It can be used for drinking purposes.

• It is the same as blackwater.

• It can be reused to water plants.

• It is untreated water from rivers.

Why is it important to clean the gutters before collecting rainwater?

• To prevent blockages

• To increase water flow

• To reduce water temperature

• To change water color