WorksheetsNitrogen Cycle
Total questions: 10
Worksheet time: 5mins
Why is denitrification is important?
Removes harmful nitrates from environment
Uses up excess oxygen
Nitrogen is better in the soil than the atmosphere
Nitrates are better for the atmosphere
What is the % of Nitrogen in the air?
21%
87%
78%
50%
__________ converts the nitrogen gas into a useful form for plants.
Herbivores
Decomposers
Bacteria
Eukaryotes
According to this diagram, plants use nitrogen to make _________________________
bacteria
animals
proteins
decomposers
According to this diagram, plants absorb
nitrates
nitrogen fixing bacteria
animals
decomposers
According to this diagram, what turns atmospheric nitrogen into NH3 ?
nitrogen fixing bacteria
plants
denitrifying bacteria
animals
What is denitrification?
Conversation of nitrite back to nitrogen gas
Conversation of ammonia back to nitrogen gas
