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Which statement correctly describes the flowering behavior of a short day plant?

1. Flowering occurs due to the suppression of Pr production.
2. The total phytochrome content reduces in the plant.
3. A short day plant blooms when exposed to photoperiods shorter than the critical day length, typically requiring a short day paired with an uninterrupted long night exceeding 12 hours.
4. Early flowering can be induced in plants by exposing their seeds to cold temperatures, a process known as vernalization.

Correct answer: A short day plant blooms when exposed to photoperiods shorter than the critical day length, typically requiring a short day paired with an uninterrupted long night exceeding 12 hours.

Solution

Option C correctly defines a short day plant, which flowers when exposed to photoperiods shorter than the critical day length and requires uninterrupted long nights for flowering. The other options are unrelated or incorrect.

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