Class 11 Biology Plant Physiology Plant Growth and Development



Short day plants come to flower .......... a critical photoperiod.
(a)
Below
(b)
Above
(c)
Any photoperiod
(d)
None of the above
Correct answer: (a) 
Solution: Short day plants such as cannabis or cotton flower during the late summer or fall in the northern hemisphere when days get shorter. Periods of darkness is longer than that of light are needed for the plants to flower. If the plants are exposed to light, their photoperiodism is disturbed and the plants do not flower.
So, the correct answer is option A.

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