Decomposition Science Quiz Form
Test your knowledge of decomposition science concepts and processes. Please answer all questions to the best of your ability.
Which of the following is the primary agent responsible for the decomposition of organic matter in soil?
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Bacteria
Earthworms
Fungi
Insects
What is the term for the process by which complex organic substances are broken down into simpler compounds?
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Which environmental factor most significantly accelerates the rate of decomposition?
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Low temperature
High humidity
Dry air
Low pH
Rank the following materials in order of fastest to slowest decomposition: Paper, Plastic, Wood, Fruit peel.
Which gases are commonly released during the decomposition of organic matter? (Select all that apply)
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Carbon dioxide (CO2)
Methane (CH4)
Oxygen (O2)
Ammonia (NH3)
What is the approximate C:N (carbon to nitrogen) ratio ideal for efficient compost decomposition?
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Which of the following best describes the role of detritivores in decomposition?
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They consume dead organic matter and fragment it.
They synthesize organic compounds from inorganic materials.
They fix atmospheric nitrogen.
They produce oxygen through photosynthesis.
Name one example of a saprotrophic organism.
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Indicate your level of agreement with the following statements about decomposition.
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Rows
Strongly Disagree
Disagree
Neutral
Agree
Strongly Agree
Decomposition recycles nutrients in ecosystems.
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Temperature affects the rate of decomposition.
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All materials decompose at the same rate.
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Briefly explain why plastic materials decompose much more slowly than organic matter.
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