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Question: Answered & Verified by Expert
Long day plants produce flowers when they exposed to
BiologyPlant - Growth and DevelopmentNEET
Options:
  • A any random duration of light.
  • B light period longer than a critical day length.
  • C light period longer than 12 hrs.
  • D light period shorter than a critical day length.
Solution:
2579 Upvotes Verified Answer
The correct answer is: light period longer than a critical day length.
Plants which requires light period longer than the critical duration to flower are called as long day plant. They require longer light period and shorter dark period to promote flowering.

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