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Biogeochemical Cycles Questions - All Grades

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Grade 9 Biogeochemical Cycles
Grade 9 Biogeochemical Cycles
Grade 9 Biogeochemical Cycles
Grade 9 Biogeochemical Cycles
Where are all of the elements found?
  1. In the biosphere
  2. In ecology
  3. In biochemical pathways
  4. In the biogeochemical cycle
Grade 9 Biogeochemical Cycles
What are two ways in which nitrogen fixation happens?
  1. bacteria and lightning
  2. bacteria and producers
  3. water and lightning
  4. bacteria and 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
In the water cycle, what is the correct order of processes?
  1. Runoff and Seepage, evaporation, condensation, precipitation, transpiration
  2. Condensation, evaporation, precipitation, runoff and seepage, transpiration
  3. Evaporation, precipitation, condensation, transpiration, runnoff and seepage
  4. Evaporation, condensation, precipitation, transpiration, runoff and seepage
  5. A and B
  6. A and E
  7. None
Grade 11 Biogeochemical Cycles

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Grade 7 Biogeochemical Cycles
Lightning, legumes and bacteria are a part of which cycle?
  1. water cycle
  2. nitrogen cycle
  3. carbon cycle
  4. phosphorus cycle
Grade 9 Biogeochemical Cycles
What is the recycling of chemical elements throughout an ecosystem called?
  1. Energy
  2. The Phosphorus Cycle
  3. The Biogeochemical Cycle
  4. Trophic Level
Grade 5 Biogeochemical Cycles
What is the greenhouse effect?
  1. Gases are trapped in the earth's atmosphere and cool the earth
  2. Gases are trapped in the earth's atmosphere and warm the earth
  3. The sun is heating up earth's surface
  4. The moon is cooling earth's surface
Grade 11 Biogeochemical Cycles

This question is a part of a group with common instructions. View group »

Which reservoir contains the most carbon?
  1. atmosphnere
  2. deep oceans
  3. vegetation
  4. sediments
Grade 11 Biogeochemical Cycles
What is the role of nitrogen fixing bacteria in the nitrogen cycle?
  1. They create acid rain.
  2. They cause algal blooms.
  3. They make nitrogen into a more useful form.
  4. They move water through the environment.
Grade 9 Biogeochemical Cycles
The two main processes of the oxygen-carbon cycle are                                        .
  1. Transpiration and photosynthesis
  2. Photosynthesis and Carbonation
  3. Cellular Respiration and Transpiration
  4. Cellular Respiration and Photosynthesis
Grade 9 Biogeochemical Cycles
What plays an important role in the nitrogen cycle?
  1. Carbon
  2. Water
  3. Bacteria
  4. Photosynthesis
Grade 5 Biogeochemical Cycles
Which of these gases is NOT a greenhouse gas?
  1. Carbon dioxide
  2. Nitrous oxide
  3. Methane
  4. Oxygen
Grade 10 Biogeochemical Cycles
Nutrients move through an ecosystem in                      .
  1. energy pyramids
  2. ecological pyramids
  3. biogeochemical cycles
  4. water cycle
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