Mum media is available in soilless culture. The water being applied to the media should be tested ...

Mum media is available in soilless culture. The water being applied to the media should be tested for a pH value of _____.
 
  A) 5.5 to 5.8
  B) 5.9 to 6.2
  C) 6.3 to 6.5
  D) above 6.5

Question 2

Grain is the seed from plants classified as _____.
 
  A) fiber
  B) shrubs
  C) vines
  D) grasses

Question 3

Mum media is available in soilless culture. The pH of the media should be _____, and it should afford the mum proper drainage.
 
  A) 5.0
  B) 5.5
  C) 6.0
  D) 6.5

Question 4

Root hairs penetrate the pore spaces in the ____________________ and absorb dissolved nutrients.
 
  Fill in the blank(s) with the appropriate word(s).

Question 5

Of all the grain crops, _____ is grown in every state in the United States.
 
  A) barley
  B) sorghum
  C) corn
  D) wheat