Class 11 Biology Plant Physiology Plant Growth and Development



Choose the correct answer from the alternatives given.
Other than functions related to photoperiod, a major role of phytochrome is to detect the extent of:
(a)
leaf shading`
(b)
stem growth
(c)
leaf movements
(d)
stomatal opening
Correct answer: (c) 
Solution: Phytochrome operates in nature as a signal-transducing photoreceptor enabling the plant to acquire information on the light environment which may be applied to the modulation of cellular processes, thereby enabling acclimation to environmental change.
Apart from that it also assists in leaf development and leaf movement.
So, the correct option is 'leaf movement'.

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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