The signalling molecule for flowering might be released earlier than usual in a long-day plant exposed to flashes of
A)far-red light during the night.
B)red light during the night.
C)red light followed by far-red light during the night.
D)far-red light during the day.
E)red light during the day.

Question

Quizplus · Accepted Answer

In long-day plants, exposure to red light during the night can mimic the effect of a longer day, promoting flowering by affecting the phytochrome system, which regulates flowering based on light exposure.

The Signalling Molecule for Flowering Might Be Released Earlier Than