A plant which needs not less than 10 hours of | vedclass

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(A) The correct answer is $A$. Long day plants $(LDP)$ require a photoperiod longer than a certain critical duration to flower. If the light duration

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Long day plant

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(A) The correct answer is $A$. Long day plants $(LDP)$ require a photoperiod longer than a certain critical duration to flower. If the light duration is shorter than this critical period,these plants fail to flower. Since the plant in the question requires at least $10$ hours of light,it implies that it needs a specific minimum duration of light to initiate the flowering process,which is a characteristic feature of long day plants.

$A$ plant which needs not less than $10$ hours of light to flower is:

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