Question 1
2 out of 2 points
The macronutrient most often lacking in in soil to promote optimum plant growth is
Selected
Answer:
Nitrog
en
Correct
Answer:
Nitrog
en
Question 2
2 out of 2 points
Which of the following would often be found in potting media?
Selected
Answer:
All of the
above
Correct
Answer:
All of the
above
Question 3
2 out of 2 points
In general, nutrients are released more quickly and efficiently into the soil from
synthetic fertilizers than organic fertilizers.
Selected
Answer:
Tru
e
Correct
Answer:
Tru
e
Question 4
2 out of 2 points
Which of the following soil types needs to be watered least often?
Selected
Answer:
Cla
y
Correct
Answer:
Cla
y
Question 5
2 out of 2 points
Loam soils are often consider ideal for growing plants because they
contain a balance of sand, silt and clay particles with good drainage and
adequate nutrients.
Selected
Answer:
Tru
e
Correct Tru
Answer: e
Question 6
2 out of 2 points
About 10% of soil consists of pore spaces that are filled with air and/or
water.
Selected
Answer:
Fals
e
Correct
Answer:
Fals
e
Question 7
2 out of 2 points
The largest particle size of soil is...
Selected
Answer:
Sand
particle
Correct
Answer:
Sand
particle
Question 8
2 out of 2 points
Iron deficiencies are manifested in plants by
Selected
Answer:
Yellowing of mostly younger or newer leaves with the veins
remaining green
Correct
Answer:
Yellowing of mostly younger or newer leaves with the veins
remaining green
Question 9
2 out of 2 points
The letters N P and K on fertilizer labels stand for
Selected
Answer:
Nitrogen, Phosphorus and
Potassium
Correct
Answer:
Nitrogen, Phosphorus and
Potassium
Question 10
2 out of 2 points
Which of the following can be added to alkaline soil to decrease soil pH?
Selected
Answer: Answer 1
& 2
Correct
Answer:
Answer 1
& 2
Question 11
2 out of 2 points
The pH of soil in the Phoenix area is generally
Selected
Answer:
alkaline,
above 7
Correct
Answer:
alkaline,
above 7
Question 12
2 out of 2 points
Micronutrients are those nutrients that plants don't really need to survive.
Selected
Answer:
Fals
e
Correct
Answer:
Fals
e
Question 13
2 out of 2 points
Which of the following is an inorganic fertilizer
Selected
Answer:
Ammonium
nitrate
Correct
Answer:
Ammonium
nitrate
Powered by TCPDF (www.tcpdf.org)
