GCE Biology 2025 Objective — Question 15
Question 15 of 50 from the General Certificate of Education (GCE) Biology 2025 Objective paper, with the correct answer and a full explanation.
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The naturally produced auxin in plants is
- A. indole acetic acidCorrect
- B. dichlorophenoxyacetic acid
- C. aldone
- D. florigen
Explanation
Indole Acetic Acid (IAA) is the primary auxin produced naturally in plants; auxins are plant hormones that regulate various aspects of growth.
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