Deck 31: Xeriscaping

Question 1

In the past, where our natural water supplies occurred in abundance dictated where the majority of the people would live.

Answer 1

True

Question 2

Earth's water supply is infinite.

Answer 2

False

Question 3

Flowers and shrubs are always the greatest users of water.

Answer 3

False

Question 4

Fertilization of plants should strive to promote rapid and lush growth in order to ensure their survival because the plants will make most efficient use of the reduced water supply.

Question 5

The industrial prominence of the northeastern states is largely due to the generous supply of water found in lakes and other sources.

Question 6

Because of education and a favorable public awareness of water, our national water supply is no longer in jeopardy.

Question 7

If Xeriscaping is done correctly, it should not be perceived as punitive or restrictive.

Question 8

Xeriscaping is now practiced in areas ranging from the desert of Arizona to the subtropics of Florida to the Rocky Mountains.

Question 9

Many plant choices are inappropriate for their sites, surviving only because of supplemental irrigation.

Question 10

The objective of Xeriscaping is to apply horticulture practices that will allow high-water-consuming plants to survive anywhere.

Question 11

How much water is consumed by potted flowers and other plants compared to in-ground plantings?

A) less than
B) more than
C) equal to
D) undetermined

Question 12

With Xeriscaping, what thickness of mulch should be applied for soil water retention?

A) 5 inches
B) 2 inches
C) 3 inches
D) 4 inches

Question 13

When grouping plants according to their water needs, how many hydrozones are there?

A) two
B) three
C) four
D) five

Question 14

What is the primary goal of Xeriscaping?

A) reduce demand on water supplies
B) find ways to generate more water
C) eliminate all planted material in the landscape
D) None of these answers is correct

Question 15

Where are high-water-use zones most appropriately used?

A) in remote, rarely used areas
B) in high-profile areas
C) inside the home
D) near naturally occurring water sources

Question 16

What was the first city to use Xeriscaping in an organized program?

A) Denver, Colorado
B) Salt Lake City, Utah
C) Austin, Texas
D) Dallas, Texas

Question 17

What is the benefit of drip irrigation over conventional lawn sprinkler systems?

A) less expensive
B) easier to install and maintain
C) greater durability
D) less water waste

Question 18

How can landscape designers take the lead and reduce water consumption of landscapes?

A) by specifying turf varieties that require less water
B) by eliminating the use of hydrozones
C) by using hard surfacing or wild flowers in the place of turf
D) both "by specifying turf varieties that require less water" and "by using hard surfacing or wild flowers in the place of turf"

Question 19

Which type of mulch is most beneficial in water retention?

A) inorganic
B) made from waste hardscape
C) commercially manufactured
D) organic

Question 20

How many principles of Xeriscaping are there?

A) four
B) five
C) six
D) seven

Question 21

The Xeriscape landscape is intended to be a ____________________maintenance landscape.

Question 22

____________________ is a term used to describe techniques of landscaping that conserve water.

Question 23

Xeriscaping emphasizes the use of ____________________ plants.

Question 24

____________________ walks after mowing, rather than hosing them, will conserve water.

Question 25

A section of a landscape that was naturally damp would be an appropriate place to locate a ____________________ hydrozone.

Question 26

If drought necessitated that some plants be allowed to die, the plants to be saved should be those having a high ____________________.

Question 27

Controlling ____________________ in plantings will reduce competition for soil water.

Question 28

Water applied in early ____________________ is more beneficial to plants than water applied in the late afternoon.

Question 29

Less water is needed to establish ____________________ transplants.

Question 30

Understory plants will use less water if trees are placed where they will cast ____________________ over the understory plants.