NTA Abhyas NEET2020BotanyPlant - Growth and DevelopmentPractice
Long day plants produce flowers when they exposed to
Options
- Aany random duration of light.
- Blight period longer than a critical day length.
- Clight period longer than 12 hrs.
- Dlight period shorter than a critical day length.
Correct answer
B. light period longer than a critical day length.
Step-by-step solution
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.