Nitrogen Cycle

Question 1

Nitrogen Cycle

Answer 1

How nitrogen is recycled through different components of the environment

Question 2

Types of Bacteria

Answer 2

• Nitrogen - fixing Bacteria
• Decomposing Bacteria
• Nitrifying Bacteria
• Denitrifying Bacteria

Question 3

Where is Nitrogen Fixing Bacteria found?

Answer 3

Soil
Rood nodules of legumes

Question 4

What do nitrogen-fixing bacteria do?

Answer 4

Convert nitrogen gas in air -> nitrates

Question 5

What does lightning do?

Answer 5

Same job as nitrogen-fixing bacteria

Question 6

What do decomposing bacteria do?

Answer 6

Convert proteins from dead organisms -> urea + ammonia

Question 7

Where is decomposing bacteria found?

Answer 7

Soil

Question 8

What does Nitrifying Bacteria do?

Answer 8

Convert ammonia -> nitrites and then nitrates

Question 9

What does Denitrifying Bacteria do?

Answer 9

Convert nitrates back into nitrogen gas