Have an account?
Skip to Content
Build your own quiz
25 questions
Show Answers
See Preview
- 1. Multiple Choice
What are the two things that can break the triple bond in N2?
Nitrogen Fixing Bacteria and Legumes
Lightning and Legumes
Nitrogen Fixing Bacteria and Lightning
- 2. Multiple Choice
How do animals get the nitrogen they need?
From the air they breathe
From the water they drink
From the food they eat
From the sun
- 3. Multiple Choice
What is the formula for atmospheric nitrogen?
N
N2
NH3
NO3
- 4. Multiple Choice
Plants and animals cannot use nitrogen directly from the air.
True
False
- 5. Multiple Choice
Bacteria fix nitrogen from the atmosphere into a form plants can use.
True
False
- 6. Multiple Choice
How much of the atmosphere is composed of nitrogen gas?87%38%78%21% - 7. Multiple Choice
If the atmosphere is full of N2, why can't we just get our nitrogen by breathing?
We have no mechanism to break the triple bond of nitrogen between the atoms.
Our lungs would be damaged by the N2.
We need oxygen for cellular respiration.
The legumes take N2 up first.
- 8. Multiple ChoiceWhat happens when organisms die and decay?Their bodies are lifted upTheir nitrogen returns to the soilthey keep their nitrogenThey stay on earth forever
- 9. Multiple ChoiceNitrification happens in the ______AirSoilGround WaterPlants
- 10. Multiple Choice
Which plant is an example of a legume?
strawberries
carrots
peanuts
corn
- 11. Multiple ChoiceOrganisms require nitrogen to make which of the following?glucose and starchlipids and nucleic acidsproteins and nucleic acidscarbohydrates and proteins
- 12. Multiple Choice
Nitrogen-rich fertilizers and manure can cause eutrophication.
True
False
- 13. Multiple Choice
How do plants get the nitrogen they need?
Absorb from the air with their leaves
Absorb through their roots from the soil or water in which they live
From the Sun
From broken-down rocks
- 14. Multiple Choice
Plants absorb...
nitrates
nitrogen fixing bacteria
carbonates
nitrogen gas
- 15. Multiple Choice
A correct path that nitrogen could take would be _____
air -> animals->plants->bacteria
animals->air->bacteria->plants
air -> bacteria ->plants -> animals
bacteria ->air -> animals->plants
- 16. Multiple Choice
What is the process where plants use nitrates to grow?
Nitrogen Fixation
Ammonification
Assimilation
Nitrification
- 17. Multiple Choice
What is the process where bacteria turns Nitrogen gas from the atmospheres into usable compounds?
nitrogen composition
nitrogen fixation
ammonia
denitrification
- 18. Multiple Choice
What happens when too much Nitrogen finds its way to the ocean?
Algae Bloom
Acid Precipitation
Nitrogen Fixation
Decomposition
- 19. Multiple Choice
What is the main reservoir of nitrogen?
Water bodies
Plants
Atmosphere
Soil
- 20. Multiple Choice
The process that convert nitrates (NO3-) back to nitrogen gas (N2) there by replenishing N2 in the atmosphere is called
Nitrogen fixation
Deamination
Denitrification
Nitrification
- 21. Multiple Choice
Plants that have nitrogen fixing bacteria in nodules on their roots are known as legumes.
True
False
- 22. Multiple Choice
Nitrogen Fixing bacteria change...
Nitrogen Gas into Ammonia
Ammonia into Nitrates
Nitrates into Nitrogen Gas
- 23. Multiple Choice
Nitrifying bacteria change...
Nitrogen Gas into Ammonia
Ammonia into Nitrates
Nitrates into Nitrogen Gas
- 24. Multiple Choice
Denitrifying bacteria change...
Nitrogen Gas into Ammonia
Ammonia into Nitrates
Nitrates into Nitrogen Gas
- 25. Multiple Choice
Decomposers release nitrogen back into the soil in the form of ammonia.
True
False
- Answer choicesTagsAnswer choicesTags