Quiz
The Nitrogen Cycle- Biol 4
Questions in this quiz (9)
1Which stage of the nitrogen cycle converts nitrogen gas into nitrogen-containing compounds?
- AAmmonification
- BNitrification
- CNitrogen-fixation
- DDenitrification
2Which stage of the nitrogen cycle produces ammonia from organic ammonium-containing compounds?
- AAmmonification
- BNitrification
- CNitrogen-fixation
- DDenitrification
3Which stage of the nitrogen cycle is involved in the conversion of ammonium ions to nitrate ions?
- AAmmonification
- BNitrification
- CNitrogen-fixation
- DDenitrification
4Which stage of the nitrogen cycle involve denitrifying bacteria which convert soil nitrates into gaseous nitrogen?
- AAmmonification
- BNitrification
- CNitrogen-fixation
- DDenitrification
5What are the two main types of microorganisms that carry out nitrogen fixation?
- ASaprobiotic bacteria
- BFree-living nitrogen-fixing bacteria
- CDenitrifying bacteria
- DMutualistic nitrogen-fixing bacteria
6What do free-living nitrogen-fixing bacteria do?
- AReduce gaseous nitrogen to ammonia, which they then use to manufacture amino acids
- BTurn ammonia into gaseous nitrogen, which they then use to manufacture amino acids
7Mutualistic nitrogen-fixing bacteria live in nodules of roots and plants e.g. peas and beans
- ATrue
- BFalse
8Mutualistic nitrogen-fixing bacteria obtain fats from the plant and the plant acquires amino acids from the bacteria
- ATrue
- BFalse
9Soils must be well aerated to prevent the build-up of denitrifying bacteria
- ATrue
- BFalse
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- A Levels Biology Quiz on The Nitrogen Cycle- Biol 4, created by elizabethc2114 on 07/01/2015.
- Author
- elizabethc2114
- Language
- English
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