Nutrient Cycling (LC 2027) (Leaving Cert Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
How do nutrients differ from energy in ecosystems?
How do nutrients differ from energy in ecosystems?
Nutrients cycle; energy flows one way
Which process removes carbon dioxide from the atmosphere?
Which process removes carbon dioxide from the atmosphere?
Photosynthesis
Which of these is a carbon sink?
Which of these is a carbon sink?
Growing forests
What has atmospheric CO2 concentration risen to from 0.028% over the past 200 years?
What has atmospheric CO2 concentration risen to from 0.028% over the past 200 years?
Over 0.042%
What percentage of methane do cattle release through burping?
What percentage of methane do cattle release through burping?
90%
Which biological strategy can help reduce atmospheric greenhouse gases?
Which biological strategy can help reduce atmospheric greenhouse gases?
Algae cultivation
What percentage of the atmosphere is nitrogen gas?
What percentage of the atmosphere is nitrogen gas?
78%
What conditions does nitrogen fixation require?
What conditions does nitrogen fixation require?
Anaerobic conditions
What type of bacteria are nitrifying bacteria?
What type of bacteria are nitrifying bacteria?
Chemosynthetic
What do denitrifying bacteria convert nitrates into?
What do denitrifying bacteria convert nitrates into?
Nitrogen gas
Where do nitrogen-fixing bacteria live in legumes?
Where do nitrogen-fixing bacteria live in legumes?
Root nodules
What is the final result of eutrophication in water bodies?
What is the final result of eutrophication in water bodies?
Severe reduction in biodiversity