Which grass was brought in from Africa and first considered to be good, but now is considered a pest ...

Which grass was brought in from Africa and first considered to be good, but now is considered a pest that is difficult to kill?
 
  a. Bermuda grass c. quack grass
  b. Johnson grass d. kudzu

Question 2

What is the maximum number of months required for the proper acclimatization of some plants?
 
  a. three c. five
  b. four d. six

Question 3

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 4

_____ are plants that are growing where they are not wanted.
 
  a. Stems c. Weeds
  b. Flowers d. Animals

Question 5

In which decade did the popularity of interior plantscaping begin?
 
  a. 1950s c. 1970s
  b. 1960s d. 1980s