The flowers of lotus and sunflower are the examples of _____
(a) Thermonasty
(b) Hydronasty
(c) Thigmonasty
(d) Photonasty
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The flowers of lotus and sunflower are the Examples of " PHOTONASTY "
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Answer:
The flowers of lotus and sunflower are the examples of (d) photonasty.
Explanation:
The non-directional development of a plant part which is more often in the petals of blooms because of light is photonasty development. The factor in Photonasty is light. Numerous petals of blooms open in the sunshine and shut at night because of the force of light.
This is a development in plants and a case of Photonastic development. Such movement is seen in flowers such as Sunflower, Lotus, Dandelion bloom, Moonflower, blossom of Cestrum Nocturnum, and so forth.
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