Questions
Placentation in which the ovules are borne on central axis and septa are absent is:
detailed solution
Correct option is D
Placentation in which the ovules are borne on central axis and septa are absent is Free central and is found in Dianthus and Primrose.In basal placentation, the placenta develops at the base of ovary and a single ovule is attached to it, as in sunflower, marigold.When the placenta is axial and the ovules are attached to it in a multilocular ovary, the placentation is said to be axile, as in china rose, tomato and lemon.In parietal placentation, the ovules develop on the inner wall of the ovary or on peripheral part. Ovary is one-chambered but it becomes two chambered due to the formation of the false septum, e.g., mustard and Argemone.Talk to our academic expert!
Similar Questions
Which of the following features are true for china rose?
(a) Hypogynous flower
(b) Twisted aestivation
(c) Monoadelphous stamens or androecium
(d) Axile placentation
(e) Opposite phyllotaxy
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