Multiple choice Which among the following herbicides is not an example of synthetic auxin? 2,4-D Aminopyralid Clopyralid Dicamba Fluroxypyr Reveal answer Fill a bubble to check yourself B Correct answer Explanation Aminopyralid is a broad leaf herbicide in the pyridine group, used to control weeds on grassland, such as docks, thistles and nettles. It is notorious for its ability to persist in compost.