Class 11 Biology Plant Physiology Plant Growth and Development



One set of plants was grown at 12 h day and 12 h night period cycles and it flowered. While for another set of the same plant, the night period was interrupted by a flash of light at midnight and it did not flower. The plants used for the above set of experiments are
(a)
Long day plant
(b)
Day neutral plant
(c)
Short day plant
(d)
Darkness neutral plant
Correct answer: (c) 
Solution: The short-long day plants are the plants that initiate flower buds only when a sequence of short day period are followed by long night period. When there is interruption by a flash of light in the dark period, these plants fail to flower. 
Thus, the correct answer is option C.  

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Similar topics
plant growth and development
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Connecting you to a tutor in 60 seconds.
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plant growth and development
transport in plants
respiration in plants
mineral nutrition
morphology of flowering plants