Which statement is NOT true about photoperiodism?
A) A short-day plant flowers when the day length is shorter than a critical length.
B) A day-neutral plant flowers according to some form of regulation other than photoperiodism.
C) A long-day plant will flower when the day length is longer than a critical length.
D) The phytochrome form Pfr is converted to Pr in daylight,producing the active form that induces flowering in long-day plants.
Correct Answer:
Verified
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A)a biological clock which can measure