Photoperiodism — Prelims Questions

Which of the following statements is INCORRECT regarding photoperiodism?

A Long-Day Plant (LDP) with a critical photoperiod of 10 hours is exposed to the following light/dark cycles. In which condition will it flower?

Which of the following plants is an example of a Short-Day Plant (SDP)?

If a Short-Day Plant (SDP) is exposed to a long night, but the dark period is interrupted by a brief flash of red light, what will be the likely flowering response?

Which of the following statements correctly describes the role of $P_{fr}$ in photoperiodism?

Which of the following processes is NOT primarily regulated by photoperiodism?