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Nitrogen Quiz

True/False
Indicate whether the statement is true or false.
 

 1 

Agronomic crops use both NO3 and NH4 forms of nitrogen.
 

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 2 

Which of the following is NOT a common symptom of nitrogen deficiency?
a
slow growth
b
higher protein
c
early maturity
d
less tillering in small grains & grasses
 

 3 

Which of the following is NOT a form of nitrogen fixation?
a
biological
c
organic
b
industrial
d
natural oxidation
 

 4 

Which of the following forms of nitrogen fertilizer has the highest percentage of fertilizer in it?
a
urea
c
ammonium sulfate
b
diammonium phosphate (DAP)
d
monoammonium phosphate (MAP)
 

Multiple Response
Identify one or more choices that best complete the statement or answer the question.
 

 5 

Which of the following is nitrogen essential for? (mark all that apply)
 a
protein synthesis
 e
root hair development
 b
nutrient uptake
 f
utilization of sunlight
 c
pollination
 g
fall leaf colorization
 d
chlorophyll
 h
photosynthesis
 

 6 

Nitrogen can be lost from the soil in several ways. Chose all that apply.
 a
crop removal
 e
erosion
 b
excessive heat
 f
volatization
 c
leaching
 g
denitrification
 d
fusion
 h
wildlife consumption
 

Completion
Complete each statement.
 

 7 

Nitrogen is a builder of ________________, an important nutritional element for our diet.
 

 

 8 

Most nitrogen used by crops comes from the _________________.
 

 

 9 

The microbial breakdown of soil organic matter, resulting in the release of energy and inorganic nutrients available for plant growth is known as ___________________.
 

 



 
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