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Practice question

Question

Exposure to far-red light reverses the effect of:

Options

Choose one · Correct answer highlighted

Explanation

B fits best: Red light. Keep the PHOTOPERIODISM basics straight and Red light stands out as the precise answer. Avoid: A) Blue light; C) UV light; D) Green light. Light and flowering items often hinge on which photoreceptor or day-length rule is in play.