Multiple choice Movement of an organism in response to touch stimuli is called Gravitropism Thermotropism Electrotropism Thigmotropism Reveal answer Fill a bubble to check yourself D Correct answer Explanation Thigmotropism is a movement in which an organism moves or grows in response to touch or contact stimuli. Usually thigmotropism occurs when plants grow around a surface, such as a wall, pot, or trellis.