Course

General Biology

Study Pack

Set 37 Plant Nutrition

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Question 1

(Multiple Choice)

Free
The B horizon of soil is characterized by which of the following?

A) living organisms and decaying organic matter
B) a mixture of broken soil with a variety of texture
C) much less organic matter than the A horizon
D) partially broken-down rock

Answer

Question 2

(Multiple Choice)

Free
Which of the following is not a problem resulting from intensive irrigation?

A) mineral runoff
B) over fertilization
C) aquifer depletion
D) soil salinization

Answer

Question 3

(Multiple Choice)

Free
Which elements are most often the limiting nutrients for plant growth?

A) nitrogen, potassium, phosphorus
B) nitrogen, oxygen, hydrogen
C) carbon, sodium, chlorine
D) carbon, nitrogen, oxygen

Answer