Which of the following is not a function of auxins?
Correct answer: A. Promote stomatal opening
- A. Promote stomatal opening
- B. Promote apical dominance and fruit growth
- C. Promote cell division in cambium
- D. Cause delay in leaf senescence
Explanation
Auxins are not directly involved in promoting stomatal opening. Stomatal opening and closing are primarily regulated by factors such as light intensity, carbon dioxide concentration, and the plant hormone abscisic acid (ABA).
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Coordination depends on receptors, neurons, synapses and nerve impulses, with reflex actions traced through the reflex arc and the roles of major brain regions. Chemical coordination covers endocrine glands and hormones, including how hormones regulate growth, metabolism, reproduction and internal balance, unlike rapid nervous control.
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