Plant Biology - Hormone Review

8 Questions | Total Attempts: 183

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Plant Quizzes & Trivia

Review for plant biology grad student comprehensive exam, hormones


Questions and Answers
  • 1. 
    This hormone promotes cell division, growth of lateral buds, and leaf expansion.  Used artificially to extend cut flower life. 
    • A. 

      Auxin

    • B. 

      Gibberellins

    • C. 

      Ethylene

    • D. 

      ABA

    • E. 

      Cytokinin

  • 2. 
    This hormone is responsible for promoting seed and bud dormancy, suspension of root growth, stomatal closure.  Inhibits effects of other hormones.
    • A. 

      CK

    • B. 

      ABA

    • C. 

      Auxin

    • D. 

      Ethylene

    • E. 

      GA

  • 3. 
    This hormone is responsible for breaking dormancy in buds and seeds, inducing flowering, stem elongation.
    • A. 

      CK

    • B. 

      ABA

    • C. 

      GA

    • D. 

      Auxin

    • E. 

      Ethylene

  • 4. 
    This hormone is responsible for shoot elongation, apical dominance, LR branching in roots, and RH initiation.
    • A. 

      ABA

    • B. 

      GA

    • C. 

      Ethylene

    • D. 

      Auxin

    • E. 

      CK

  • 5. 
    This hormone is responsible for ripening, leaf and flower senescence, abscission, RH development, promotes chloroplast development, regulates expression of ripening genes.
    • A. 

      CK

    • B. 

      ABA

    • C. 

      Auxin

    • D. 

      Ethylene

    • E. 

      GA

  • 6. 
    What hormone slows leaf aging?
    • A. 

      ABA

    • B. 

      GA

    • C. 

      CK

    • D. 

      Auxin

    • E. 

      Ethylene

  • 7. 
    What is the pH of the cell wall and cytoplasm?
    • A. 

      6 and 4

    • B. 

      7 and 5

    • C. 

      5 and 7

  • 8. 
    Auxin is an anion at what pH?  Neutral at what pH?
    • A. 

      Anion at pH 7, neutral at pH 5

    • B. 

      Anion at pH 5, neutral at pH 7

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