試題詳解

63. In a dark environment, plants will grow toward light in a response called phototropism. Which of the followings is an INCORRECT statement regarding phototropism?
(A) Phototropism is caused by a chemical signal.
(B) One chemical involved is auxin.
(C) Auxin causes an increase in growth on one side of the stem.
(D) Auxin causes a decrease in growth on the side of the stem exposed to light.
(E) Removing the apical meristem prevents phototropism.