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Plant Growth and Development — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYPlant Growth and Development1 Mark
MCQ
In short day plants, flowering is induced by.
  • A
    Long night.
  • B
    Short photoperiod and interrupted long night.
  • C
    Photoperiod less than 12 hours.
  • D
    Photoperiod below a critical length and uninterrupted long night.
✓

Answer

  1. Photoperiod below a critical length and uninterrupted long night.

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