Question 4
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The diagram below shows the cycle of Nitrogen compounds in an ecosystem. Numbers
1 to 7 represent nitrogen conversion processes from one form to another.
Nitrogen in the air
1
7 2 Nitrogen compounds
in animals and plants NH4
3 4
6
NO3 NO2
5
Which of the processes do farmers want to inhibit in agricultural land?
A. Processes 2 and 3 C. Processes 4 and 5
B. Process 6 only D. Process 7 only
The diagram below shows the cycle of Nitrogen compounds in an ecosystem. Numbers
1 to 7 represent nitrogen conversion processes from one form to another.
Nitrogen in the air
1
7 2 Nitrogen compounds
in animals and plants NH4
3 4
6
NO3 NO2
5
Which of the processes do farmers want to inhibit in agricultural land?
A. Processes 2 and 3 C. Processes 4 and 5
B. Process 6 only D. Process 7 only