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JAMB Biology 2013 Objective — Question 35

Question 35 of 50 from the Joint Admissions and Matriculation Board (JAMB) Biology 2013 Objective paper, with the correct answer and a full explanation.

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The most important plant hormone is

  • A. auxinCorrect
  • B. gibberellin
  • C. cytokinin
  • D. abscisic acid

Explanation

Auxins are the most important plant hormones (plant growth substances). After auxins come the gibberellins.

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