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Ninth Grade (Grade 9) Biogeochemical Cycles Questions

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Grade 9 Biogeochemical Cycles
Grade 9 Biogeochemical Cycles
Grade 9 Biogeochemical Cycles
Grade 9 Biogeochemical Cycles
Grade 9 Biogeochemical Cycles
Where are all the elements found?
  1. in ecology
  2. in the biosphere
  3. in biochemical pathways
  4. in the biogeochemical cycles
Grade 9 Biogeochemical Cycles
Grade 9 Biogeochemical Cycles
Grade 9 Biogeochemical Cycles
Grade 9 Biogeochemical Cycles
Which biogeochemical cycle does the diagram represent?
Carbon Cycle With Text Labels
  1. carbon cycle
  2. water cycle
  3. nitrogen cycle
  4. phosphorus cycle
Grade 9 Biogeochemical Cycles
Which is not one of the four biogeochemical cycles?
  1. carbon
  2. nitrogen
  3. oxygen
  4. phosphorus
Grade 9 Biogeochemical Cycles
What are two ways in which nitrogen fixation happens?
  1. bacteria and water
  2. water and lightning
  3. bacteria and lightning
  4. bacteria and producers
Grade 9 Biogeochemical Cycles
The two main processes of the oxygen-carbon cycle are
  1. photosynthesis and carbonation.
  2. transpiration and photosynthesis.
  3. cellular respiration and transpiration.
  4. cellular respiration and photosynthesis.
Grade 9 Biogeochemical Cycles
Which biogeochemical cycle is illustrated?
Carbon Cycle With Text Labels
  1. carbon
  2. nitrogen
  3. phosphorus
  4. water
Grade 9 Biogeochemical Cycles
The biogeochemical cycles do NOT include
  1. cycles caused by human activity.
  2. geological processes.
  3. the destruction of nutrients.
  4. chemical and physical processes.
Grade 9 Biogeochemical Cycles
Which plays an important role in the nitrogen cycle?
  1. bacteria
  2. carbon
  3. photosynthesis
  4. water
Grade 9 Biogeochemical Cycles
Which process cycles carbon through the environment?
  1. transpiration
  2. sedimentation
  3. habitat restoration
  4. cellular respiration
Grade 9 Biogeochemical Cycles
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