Table 39.1 -Refer to Table 39.1.Plant B Is a Short-Day Flower.Why Did

Multiple Choice

Table 39.1

-Refer to Table 39.1.Plant B is a short-day flower.Why did it fail to flower?

A) It sensed a nine-hour night.
B) It sensed a nine-hour day.
C) Flowering was inhibited by the excess of far-red light.
D) There was not enough blue-light exposure to trigger flowering.