Multiple choice What is atrazine? It is a pest. It is a herbicide. It is a fertiliser. It is an insect. It is a crop. Reveal answer Fill a bubble to check yourself B Correct answer Explanation Atrazine is a herbicide of the triazine class. Atrazine is used to prevent pre- and postemergence broadleaf weeds in crops such as maize (corn) and sugarcane and on turf, such as golf courses and residential lawns.