When the dark period of short day plants is interrupted by a brief exposure of light, then the plant
Flowering will be delayed
Give more flowers
Turn into a long day plant
Correct answer: (a)
For short day plants it is necessary to have an uninterrupted long dark period after a short day. A brief interruption of dark period with light nullifies the effect of long night resulting in failed or delayed flowering in plants.
So, the correct answer is 'flowering will be delayed'