Ücretsiz Kullanmaya Başla

Carbon cycle Knowledge-Based Practice

Biology · Ecology · Biology · Energy Flow & Matter Cycling

5 Biology practice questions on Carbon cycle. Questions that assess core concepts and understanding.

Layout:

Choose how questions appear in the preview and test.

Preview the questions below, then start to answer and see your results.

Questions

  1. 1.

    In the marine carbon cycle, which process transfers dissolved inorganic carbon into long-term geological reservoirs through the accumulation of protective shells and skeletal structures?

    • A) Photosynthetic fixation by marine phytoplankton
    • B) Respiratory breakdown by benthic heterotrophs
    • C) Deposition of calcium carbonate sediments
    • D) Physical diffusion across the ocean-atmosphere interface
  2. 2.

    Which process in the global carbon cycle rapidly transfers carbon stored in organic biomass and fossil fuel deposits into atmospheric carbon dioxide through high-temperature oxidation?

    • A) Methanogenesis
    • B) Lithification
    • C) Fermentation
    • D) Combustion
  3. 3.

    Which geological process locks carbon from the remains of ancient organisms into the lithosphere to form energy-rich deposits such as coal, petroleum, and natural gas?

    • A) Combustion
    • B) Weathering
    • C) Methanogenesis
    • D) Fossilization
  4. 4.

    Which biological process carried out by both producers and consumers releases carbon dioxide back into the abiotic environment through the breakdown of organic compounds?

    • A) Cellular respiration
    • B) Photosynthesis
    • C) Sedimentation
    • D) Assimilation
  5. 5.

    Which biological process directly assimilates inorganic carbon dioxide from the atmosphere into organic carbon compounds in terrestrial food webs?

    • A) Cellular respiration
    • B) Microbial decomposition
    • C) Photosynthesis
    • D) Fossilization

Answers and step-by-step solutions appear after you finish the test.