Chapter 41, Problem 2A

Your roommate is taking biology with you this semester and thinks he understands shod- and long-day plants. He purchases one plant of each type and decides to see the difference himself by first trying to cause the short-day plant to flower. He places both plants under the same conditions and exposes each to a regimen of 10-hr days, expecting that the short-day plant will flower, and the long-day plant will not You play a trick on your roommate and reverse the outcome Specifically, what did you have to do?

a. Lengthen the time each is exposed to light.

b. Shorten the time each is exposed to light.

c. Quickly expose the plants to light during the middle of the night.

d. None of the choices is correct.