Nitrogen Cycle

Question 0

Which processes are aerobic?

Answer 0

Decomposition and nitrification

Question 1

Which processes are anaerobic?

Answer 1

Fixation and denitrification

Question 2

eg of bacteria involved in fixation?

Answer 2

Rhizobium, azotobacter

Question 3

eg of bacteria involved in nitrification (NH3 -> NO2-)

Answer 3

Nitrosomonas

Question 4

eg of bacteria involved in nitrite to nitrate

Answer 4

Nitrobacter

Question 5

What is involved in decomposition of organic matter? And what can decomposition also be called?

Answer 5

Fungi, putrefaction

Question 6

In which plants does nitrogen fixation occur and how is this environment made?

Answer 6

Legumes,

Azotobacter gather in roots by chemotaxis, multiply, surroun themselves with membrane = anaerobic root nodules