Nitrogen Cycle Flashcard
Flashcard
•
Biology
•
11th Grade
•
Hard
Wayground Content
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18 questions
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1.
FLASHCARD QUESTION
Front
What is the primary source of nitrogen for plants? Options: Nitrogen gas, Ammonium (NH4+), Nitrate (NO3-), Nitrogen oxides (NOx)
Back
Nitrate (NO3-)
2.
FLASHCARD QUESTION
Front
Which process converts atmospheric nitrogen (N2) into a form usable by plants? Options: Ammonification, Nitrification, Nitrogen fixation, Denitrification
Back
Nitrogen fixation
3.
FLASHCARD QUESTION
Front
Nitrogen-fixing bacteria in root nodules are often associated with which type of plants? Options: Grasses, Legumes, Trees, Ferns
Back
Legumes
4.
FLASHCARD QUESTION
Front
What is the process by which dead organisms and waste products are broken down, releasing ammonium?
Back
Ammonification
5.
FLASHCARD QUESTION
Front
Which process converts ammonium (NH4+) to nitrate (NO3-)?
Back
Nitrification
6.
FLASHCARD QUESTION
Front
What is the final step in the nitrogen cycle, returning nitrogen to the atmosphere?
Back
Denitrification
7.
FLASHCARD QUESTION
Front
Bacteria involved in converting nitrate to nitrogen gas in denitrification: Rhizobium, Nitrosomonas, Pseudomonas, Azotobacter
Back
Pseudomonas
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