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Get Answers to all your Questions
Long day plants produces flowers when they exposed to :-
Option: 1
Any duration of light
Option: 2
Light period longer than a critical day length
Option: 3
Light period longer than 12 hrs
Option: 4
Light period shorter than a critical day length
Answers (1)
The light period which is essentially required to induce flowering in plants is known as critical photoperiod. A long day plant will only flower when the light period is longer than a critical number of hours. Spinach, lettuce, and some varieties of wheat are long-day plants.
Hence the correct option is b.
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