Plant Dormancy Quiz
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Questions and Answers

What is the definition of dormancy?

  • The ability of the seed to germinate under unfavorable conditions
  • The impermeability of the seed coat to water and oxygen
  • The inability of the seed to germinate under favorable conditions (correct)
  • The process of exposing the seed to light for germination

    • What is induced or secondary dormancy?

  • Dormancy caused by microbial action
  • Dormancy due to exposure to light to inactivate the inhibitors
  • Dormancy acquired as the seed or organ develops or matures
  • Dormancy induced through encounter with unfavorable conditions (correct)

    • What is the mechanism of physical dormancy?

  • Treatment with acid (sulfuric acid)
  • Impermeability of the thick seed coat to water and oxygen (correct)
  • Treatment with germination promoters (KNO3, GA, Auxin)
  • Exposure to alternate wet and dry conditions

    • How can dormancy be broken?

    <p>Passage through the alimentary tract of animals</p> Signup and view all the answers

    What is after ripening process in relation to dormancy?

    <p>Lapse of time required for the plant to overcome the physiological barrier for germination</p> Signup and view all the answers

    What is the mechanism of physiological dormancy?

    <p>Immaturity of the embryo</p> Signup and view all the answers

    Which method is not a way of breaking dormancy?

    <p>Physical removal of seed coat</p> Signup and view all the answers

    What is the primary cause of dormancy?

    <p>Immaturity of the embryo</p> Signup and view all the answers

    What is the role of exposure to light in breaking dormancy?

    <p>Inactivating inhibitors</p> Signup and view all the answers

    Which is not a treatment for breaking dormancy?

    <p>Exposure to dry conditions</p> Signup and view all the answers

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