Multiple choice Which of the following hormone is responsible for causing seed dormancy? Indole acetic acid Gibberellic acid Abscisic acid Cytokinin Reveal answer Fill a bubble to check yourself C Correct answer Explanation Abscisic acid (ABA) is the plant hormone responsible for inducing and maintaining seed dormancy. It inhibits growth and helps seeds survive unfavorable conditions. IAA (auxin) promotes growth, gibberellic acid breaks dormancy, and cytokinins promote cell division.