Biogeochemical Cycle: The Nitrogen Cycle Quiz
Are you a curious human interested in the biogeochemical and nitrogen cycle or general knowledge about this? The quiz will assist you in identifying the facts and answering questions about them. Share the quiz with friends to see who amongst you knows more and help enhance their knowledge.
- 1.Approximately ___ % of the worlds atmosphere is comprised of Nitrogen.
- A.
69%
- B.
78%
- C.
50%
- D.
87%
- 2.In what form does Nitrogen re-enter the Earth after the process of fixation?
- A.
Nitrogen
- B.
Ammonia
- C.
Oxygen
- D.
Oxide
- 3.Select the 3 other different processes similar to Fixation.
- A.
Denitrification
- B.
Liquidification
- C.
Nitrification
- D.
Oxidation
- E.
Ammonification
- 4.The process of Fixation is:
- A.
The process that causes the strong two-atom nitrogen molecules to break apart so they can combine with other atoms. When it combines with oxygen and hydrogen.
- B.
When nitrogen fixes itself to a plant.
- C.
When nitrate turns into ammonia, then ammonia turns into plants, then the animals eat the plants and it is turned back into nitrogen.
- D.
When nitrogen gets fixed.
- 5.TRUE OR FALSE?Too much nitrogen can damage the plants natural green colour.
- A.
TRUE
- B.
FALSE
- 6.Which order is correct?
- A.
Fixation, Dentrification, Nitrification, Ammonification
- B.
Fixation, Nitrification, Ammonification, Dentrification
- C.
Nitrification, Ammonification, Dentrification, Fixation
- D.
Fixation, Nitrification, Dentirfication, Ammonification
- 7.Why plants cannot utilize Nitrogen naturally occurring in the atmosphere?
- A.
They don't have nitrogen-fixing bacteria.
- B.
The amount of naturally occurring Nitrogen is not sufficient.
- C.
The triple bonds between 2 nitrogen atoms are hard to break.
- D.
None of the above.
- 8.Which of the following are directly responsible for nitrogen fixation?
- A.
Bacteria
- B.
Humans
- C.
Animals
- D.
Sunlight
- 9.Where does on Earth Nitrogen exist in abundance?
- A.
Earth's atmosphere
- B.
Biosphere
- C.
Stratosphere
- D.
Troposphere
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