Class 11 Biology Plant Physiology Plant Growth and Development



Effect of length of day (light duration) on flowering is called as
(a)
Phototropism
(b)
Photoperiodism
(c)
Photorespiration
(d)
None of the above
Correct answer: (b) 
Solution: Photoperiodism is the physiological reaction of organisms to the length of day or night. It occurs in plants and animals. It can also be defined as the developmental responses of plants to the relative lengths of light and dark periods.
So, the correct answer is option B.

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Similar topics
plant growth and development
transport in plants
respiration in plants
mineral nutrition
morphology of flowering plants
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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