Welcome to the Quiz!
This quiz contains 8 questions from a mix of 1 subtopics.
Which two of the following biological molecules contain nitrogen?
Proteins
Starch
Fatty acids
DNA
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True or false? Nitrogen-fixing bacteria are found in lightning.
True
False
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What is the name of the process that converts ammonia to nitrite, and then to nitrates?
Nitrification
Assimilation
Denitrification
Decomposition
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What is the name of the process that converts nitrates to atmospheric nitrogen?
Denitrification
Nitrogen fixation
Assimilation
Nitrification
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Which process describes how plants use nitrogen to build biological molecules, that the plants then incorporate into their bodies?
Nitrification
Denitrification
Assimilation
Nitrogen fixation
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In which two places are nitrogen-fixing bacteria found?
Roots of some plants
Soil
Ammonium solution
Pieces of shell
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True or false? Plants can absorb atmospheric nitrogen.
True
False
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The microorganisms responsible for converting atmospheric nitrogen to ammonia/ammonium ions, are called bacteria.
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