Plant Growth and Development Question 79
79. In short day plants, flowering is induced by
(a) photoperiod less than 12 hours
(b) photoperiod below a critical length and uninterrupted long night
(c) long night
(d) short photoperiod and interrupted long night
Show Answer
Answer : b
Hints & Solutions
(b) A short day plant is one that flowers on photoperiods shorter than the critical day length. It generally flowers when treated by a short day and uninterrupted long night (more than 12 hrs.)
