The Nitrogen Cycle- Biol 4

Descrição

A Levels Biology Quiz sobre The Nitrogen Cycle- Biol 4, criado por elizabethc2114 em 07-01-2015.
elizabethc2114
Quiz por elizabethc2114, atualizado more than 1 year ago
elizabethc2114
Criado por elizabethc2114 quase 10 anos atrás
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Resumo de Recurso

Questão 1

Questão
Which stage of the nitrogen cycle converts nitrogen gas into nitrogen-containing compounds?
Responda
  • Ammonification
  • Nitrification
  • Nitrogen-fixation
  • Denitrification

Questão 2

Questão
Which stage of the nitrogen cycle produces ammonia from organic ammonium-containing compounds?
Responda
  • Ammonification
  • Nitrification
  • Nitrogen-fixation
  • Denitrification

Questão 3

Questão
Which stage of the nitrogen cycle is involved in the conversion of ammonium ions to nitrate ions?
Responda
  • Ammonification
  • Nitrification
  • Nitrogen-fixation
  • Denitrification

Questão 4

Questão
Which stage of the nitrogen cycle involve denitrifying bacteria which convert soil nitrates into gaseous nitrogen?
Responda
  • Ammonification
  • Nitrification
  • Nitrogen-fixation
  • Denitrification

Questão 5

Questão
What are the two main types of microorganisms that carry out nitrogen fixation?
Responda
  • Saprobiotic bacteria
  • Free-living nitrogen-fixing bacteria
  • Denitrifying bacteria
  • Mutualistic nitrogen-fixing bacteria

Questão 6

Questão
What do free-living nitrogen-fixing bacteria do?
Responda
  • Reduce gaseous nitrogen to ammonia, which they then use to manufacture amino acids
  • Turn ammonia into gaseous nitrogen, which they then use to manufacture amino acids

Questão 7

Questão
Mutualistic nitrogen-fixing bacteria live in nodules of roots and plants e.g. peas and beans
Responda
  • True
  • False

Questão 8

Questão
Mutualistic nitrogen-fixing bacteria obtain fats from the plant and the plant acquires amino acids from the bacteria
Responda
  • True
  • False

Questão 9

Questão
Soils must be well aerated to prevent the build-up of denitrifying bacteria
Responda
  • True
  • False

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