The Biology Behind Plants - Quiz

10 Questions | Total Attempts: 257

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The Biology Behind Plants - Quiz

How do plants work? Can you tell how do they reproduce, breathe, or eat? All that is explained by plant biology. This is exactly what this quiz is about. Check your understanding of the topic from this quick but knowledgeable quiz. Share with fellow biology students or friends who are interested in biology.


Questions and Answers
  • 1. 
    The ultimate source for food for most organisms is
    • A. 

      The sea.

    • B. 

      The soil.

    • C. 

      A certain group of food crops.

    • D. 

      The sun.

    • E. 

      The network of metabolic pathways found in all living organisms.

  • 2. 
    The conversion of solar energy to chemical energy occurs during
    • A. 

      Chemosynthesis.

    • B. 

      Photosynthesis.

    • C. 

      Anaerobic respiration.

    • D. 

      Fermentation.

    • E. 

      All of these.

  • 3. 
    Plants need which of the following to carry on photosynthesis?
    • A. 

      Carbon dioxide and water.

    • B. 

      Nitrogen and hydrogen.

    • C. 

      Oxygen and nitrogen.

    • D. 

      Oxygen and hydrogen.

    • E. 

      None of these.

  • 4. 
    Where in a plant cell is chlorophyll found?
    • A. 

      On the outer chloroplast membrane.

    • B. 

      In the cytoplasm of the cell.

    • C. 

      In the stroma.

    • D. 

      On the thylakoid membrane.

    • E. 

      None of these.

  • 5. 
    Which of the following occurs in the light-independent reactions of photosynthesis?
    • A. 

      Water is broken down.

    • B. 

      Glucose is produced.

    • C. 

      Oxygen is released.

    • D. 

      NADP+ is reduced.

    • E. 

      ATP is produced.

  • 6. 
    A high concentration of H+ in the thylakoid compartment provides energy for the _____ by _____.
    • A. 

      Breakdown of water; oxidation.

    • B. 

      Production of ATP; ATP synthesis.

    • C. 

      Reduction of NADP+; and electron transfer chain.

    • D. 

      Production of sugars; the light-independent reactions.

    • E. 

      Production of O2; photolysis.

  • 7. 
    The electrons that are passed to NADP+ during the noncyclic pathway are obtained directly from _____ but ultimately from _____.
    • A. 

      Chlorophyll; water.

    • B. 

      CO2; chlorophyll.

    • C. 

      ATP; O2.

    • D. 

      Water; chlorophyll.

    • E. 

      NADPH; chlorophyll.

  • 8. 
    All of the products of the light-dependent reactions of photosynthesis listed below are used in the light-independent reactions EXCEPT for
    • A. 

      O2.

    • B. 

      Electrons.

    • C. 

      NADPH.

    • D. 

      ATP.

    • E. 

      Hydrogen protons contributed by NADPH.

  • 9. 
    Air enters and leaves through the
    • A. 

      Upper epidermis.

    • B. 

      Lower epidermis.

    • C. 

      Stomata.

    • D. 

      Mesophyll.

    • E. 

      All of these.

  • 10. 
    The process in which oxygen, not carbon dioxide, becomes attached to RuBP
    • A. 

      Is the Calvin-Benson cycle.

    • B. 

      Is the C3 pathway.

    • C. 

      Is the C4 pathway.

    • D. 

      Does not occur in plants in hot, dry climates.

    • E. 

      Is photorespiration.

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