4. Strictly speaking, the vascular cambium refers to the:
(A)cambial zone.
(B) single radial file of derivatives.
(C) single radial file of initials.
(D)initials plus their immediate derivatives.
(E) initials, their immediate derivatives, and the most recent xylem and phloem.

1. All plant hormones: (A)are inorganic substances. (B) act in the tissues where they are produced. (C) are stimulatory. (D)are active in large quantities. (E) communicate information.

2. Which of the following statements about hormone action is FALSE? (A) Hormones influence the rate of cell division. (B) Hormones influence the rate of cell expansion. (C) Hormones influence the direction of cell expansion. (D)All ho nes act by stimulating gene expression. (E) All ho es act as chemical mess sengers.

3. The rapid clos of leaves of the Venu flytrap is now thought to be due to: (A)changes in turgor pressure in the mesophyll cells underlying the epidermis. (B)changes in turgor pressure in the upper epidermis. (C) changes in turgor press sure in cells of the pulvinus. (D)acid-induced wall loosening of motor cells. (E) Unloading of sucrose from the phloem.

5. Which type(s) of plants, when grown under noninductive conditions, can be induced to flower if the light period is interrupted by darkness? (A)only long-day plants (B) only short-day plants (C) only day-neutral plants (D) both long-day and short-day plants (E) both short-day and day-neutral plants

110年 - 110 國立臺灣大學_碩士班招生考試_植物科學研究所:植物生理學(A)#101414

110年 - 110 國立臺灣大學_碩士班招生考試_農藝研究所作物科學甲組:植物生理學(B)#100785