Question

There are two plants $A$ and $B$ with respective critical photoperiod of $13$ hours and $11$ hours. When they are exposed to light for a period of $12$ hours, it initiated flowering in both. Which of the following conclusions is most appropriate for these plants?

• A. Both plant $A$ and $B$ are long day plants
• B. Both plant $A$ and $B$ are short day plants
• C. Plant $A$ is short day plant and plant $B$ is long day plant
• D. Plant $A$ is long day plant and plant $B$ is short day plant

Answer 1

Answer: (C)

Correct answer is (c) Plant $A$ is short day plant and plant $B$ is long day plant