IAA is the most frequently occurring ___________ in plants and plays a critical role in all aspects of plant development.
A) cytokinin
B) hormone
C) auxin
D) gibberellin
E) ethylene

Question

IAA is the most frequently occurring ___________ in plants and plays a critical role in all aspects of plant development.  
A) cytokinin
B) hormone
C) auxin
D) gibberellin
E) ethylene

Quizplus · Accepted Answer

IAA (indole-3-acetic acid) is the most frequently occurring type of auxin in plants and is a crucial hormone in all stages of plant development, including cell elongation, apical dominance, and root formation. Cytokinins, gibberellins, and ethylene also play significant roles in plant growth and development, but IAA is the most prevalent and important type of hormone in plants.

IAA Is the Most Frequently Occurring ___________ in Plants and Plays