Cytokinins and Plant Hormones Quiz

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Questions and Answers

What is the effect of ethylene on adventitious root formation in tissue culture?

  • Promotion
  • No effect
  • Stimulation
  • Inhibition (correct)

Which substance strongly promotes the photooxidation of IBA and IAA?

  • Riboflavin (correct)
  • NPA
  • PCIB
  • TIBA

What is the effect of gibberellin on root growth?

  • Stimulation
  • Inhibition (correct)
  • No effect
  • Promotion

Which of the following substances inhibits polar auxin transport?

<p>TIBA (A)</p> Signup and view all the answers

What effect do synthesis-inhibitors have on shoot elongation?

<p>Inhibition (D)</p> Signup and view all the answers

What is the effect of abscisic acid on leaf senescence?

<p>Inhibition (A)</p> Signup and view all the answers

How does p-Chlorophenoxyisobutyric acid (PCIB) act on auxin action?

<p>Inhibition (C)</p> Signup and view all the answers

What is the impact of cytokinin on the outgrowth of axillary buds?

<p>Stimulation (B)</p> Signup and view all the answers

What is the effect of ethylene on shoot elongation?

<p>Inhibition (B)</p> Signup and view all the answers

How do phenolic compounds like ferulic acid or phloroglucinol affect auxin oxidation?

<p>Inhibition (B)</p> Signup and view all the answers

What is the impact of auxin on adventitious shoot formation?

<p>Promotion (A)</p> Signup and view all the answers

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