Water Conservation Quiz

Example Questions From the Test

• 2Why can a layer of mulch around suitable garden plants reduce watering needs?
  • It slows evaporation and helps moderate soil temperature.
  • It makes roots absorb any available water immediately.
  • It directs rainfall away from the soil and into storm drains.
  • It increases the water pressure inside irrigation lines.
• 3A paved driveway is covered with dry leaves and dust. Which cleaning method uses the least water?
  • Use a pressure washer until the debris reaches the street.
  • Spray it with a hose fitted with a shutoff nozzle.
  • Rinse it slowly with a low-flow garden hose.
  • Sweep the debris with a broom and dispose of it appropriately.
• 4Which dishwasher practice is usually the most water-efficient?
  • Pre-rinse every dish under running water before loading it.
  • Run several half-full loads so dishes have more space.
  • Wash the same dishes by hand under a continuously running tap.
  • Run a properly loaded full dishwasher using an efficient cycle.