You place a coleoptile in unidirectional light and then immediately cover the tip. Which of the following will happen?
A) The coleoptile would bend toward the light.
B) The coleoptile would not bend.
C) The coleoptile would bend away from the light.
D) The coleoptile would die.
E) The coleoptile would grow in a spiral pattern.

Question

Quizplus · Accepted Answer

The tip of the coleoptile is responsible for detecting light and directing growth towards it. Covering the tip prevents it from sensing the light, so the coleoptile will not bend.

You Place a Coleoptile in Unidirectional Light and Then Immediately