This document provides multiple choice questions about principles of xeriscape landscaping and irrigation systems. It asks about the purpose of backflow prevention devices, components of drip irrigation systems, uses of landscape mulches, definitions of xeriscape, and flow rates of drip irrigation emitters. It also includes questions testing knowledge of appropriate irrigation for newly planted drought tolerant plants, preventing irrigation runoff, and irrigation needs in low rainfall southwestern landscapes.

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Which of the following is a NOT a principle of xeriscape?
The type of irrigation system that is the most efficient for newly planted drought tolerant
trees or shrubs is
An overhead (sprinkler) irrigation system can waste water if sprinklers are operating
under windy conditions.
What is the purpose of a backflow prevention device such as an antisiphon valve?
Swales and basins can be used to collect rainfall and prevent irrigation runoff.
Which of the following is NOT part of a drip irrigation system
Sprinkler irrigation is usually used to irrigate turf in Arizona
Mesic plants...
Landscape mulches in the southwestern home landscapes are primarily used to
Irrigation is especially important in southwestern home landscapes and gardens because
annual rainfall is low.
The term "xeriscape" literally means:
The typical flow rate of a drip irrigation emitter is rated in
Which of the following statements about irrigation is FALSE?