
Nitrogen Cycle Processes and Bacteria
Interactive Video
•
Biology, Chemistry, Science
•
9th - 12th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary source of nitrogen in the nitrogen cycle?
Water
Plants
Atmosphere
Soil
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which process is used industrially to fix nitrogen into ammonia?
Haber Process
Denitrification
Nitrogenase Process
Photosynthesis
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which bacteria is involved in the natural fixation of nitrogen?
Pseudomonas
Rhizobium
Nitrobacter
Nitrosomonas
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of rhizobium in the nitrogen cycle?
It denitrifies nitrates.
It forms a symbiotic relationship with legumes.
It fixes nitrogen independently.
It converts ammonia to nitrites.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to plant proteins after plants die?
They decay into organic matter.
They are assimilated by other plants.
They are converted to nitrites.
They are fixed into ammonia.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which bacteria is responsible for converting ammonia into nitrites?
Pseudomonas
Nitrosomonas
Rhizobium
Nitrobacter
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final product of the denitrification process?
Nitrates
Nitrites
Atmospheric nitrogen
Ammonia
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