Multiple choice The substance which induces shoot in callus is called __________. kinetin GABA auxin ABA Reveal answer Fill a bubble to check yourself A Correct answer Explanation Kinetin is part of a group of similar plant hormones, called cytokinins. Its primary role is to extend plant life by promoting cell division and cell enlargement. It is also involved in apical dominance. Kinetin is also called 6-Furfurylaminopurine.