Understanding ABA-Induced Stomatal Closure and Plant Physiology
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Questions and Answers

Which hormone is associated with the opening and closing of stomata?

  • ABA (correct)
  • Salicylic acid
  • Jasmonates
  • Isoleucine
  • Which hormone is associated with biotrophic organisms?

  • Isoleucine
  • ABA
  • Salicylic acid (correct)
  • Jasmonates
  • Where does JA biosynthesis occur in the cells?

  • Nucleus
  • Golgi apparatus
  • Plastids (correct)
  • Endoplasmic reticulum
  • Which hormone is responsible for the response to biotrophic pathogens?

    <p>Salicylic acid</p> Signup and view all the answers

    What triggers the induction of protease inhibitors in plants?

    <p>Wounding or cutting of plants</p> Signup and view all the answers

    Which hormone contributes to systemic acquired resistance in plants?

    <p>Salicylic acid</p> Signup and view all the answers

    Study Notes

    Hormones and Plant Responses

    • Abscisic acid (ABA) is associated with the opening and closing of stomata.

    Hormones and Microorganisms

    • Jasmonic acid (JA) is associated with biotrophic organisms.

    Jasmonic Acid Biosynthesis

    • Jasmonic acid (JA) biosynthesis occurs in the chloroplasts of cells.

    Plant Defense Responses

    • Jasmonic acid (JA) is responsible for the response to biotrophic pathogens.

    Protease Inhibitors

    • Methyl jasmonate triggers the induction of protease inhibitors in plants.

    Systemic Acquired Resistance

    • Salicylic acid (SA) contributes to systemic acquired resistance in plants.

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    Description

    Test your knowledge on ABA-induced stomatal closure and the principles of plant physiology in this quiz. Explore the rapid changes in ion channel activities and the role of ABA as a positive regulator for opening and closing stomata. Also, learn about hormonal responses to biotic factors.

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