Nitrogen Cycle

Question 1

Q1: Why is nitrogen important for life?

Answer 1

A1: Nitrogen is a key component of DNA, RNA, and proteins, which are essential for all living organisms.

Question 2

Q2: Define Nitrogen Fixing Bacteria.

Answer 2

A2: Microorganisms that convert atmospheric nitrogen (N₂) into ammonia (NH₃) for plant use.

Question 3

Q3: Define Denitrifying Bacteria.

Answer 3

A3: Microorganisms that convert nitrates (NO₃⁻) back into nitrogen gas (N₂), releasing it into the atmosphere.

Question 4

Q4: Define Decomposers.

Answer 4

A4: Organisms like fungi and bacteria that break down dead matter, returning nitrogen to the soil.

Question 5

Q5: How is nitrogen produced naturally?

Answer 5

A5: Through processes like lightning and the activity of nitrogen-fixing bacteria.

Question 6

Q6: How is nitrogen produced artificially?

Answer 6

A6: By industrial processes such as the Haber-Bosch method, which synthesises ammonia for fertilisers.