WebPlacentation where ovules are attached to the multilocular ovary and axial. ... Ovules are borne on the central axis and septa is absent. Free central placentation Eg: primrose, dianthus. Placenta developing from the base of the ovary with a single ovule. Basal placentation Eg: sunflower 🌻, arigold. Fruit formation without fertilisation is ... WebThe mode of distribution of placenta inside the ovary is known as placentation. Some important types of placentation are as follows: 1. Axile Placentation This type of placentation is seen in bi- or multi carpellary, syncarpous ovary. The carpel walls meet in the centre of the ovary, where the lacenta are formed like central column.
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WebAnswers (1) Placentation refers to the arrangement of ovules within the ovary of a flower. There can be 5 types of placentation in plants. These are as follows: 1. Marginal placentation: The placenta forms a ridge along the ventral suture of the ovary and the ovules develop on two separate rows in marginal placentation e.g. peas. 2. WebJul 19, 2012 · Free central placentation : The ovules are borne on central axis and septa are absent. Example - Dianthus and Primrose Marginal placentation: Here the placenta forms a ridge along the ventral suture of the ovary and the ovules are borne on this ridge forming two rows. It is characteristic of legumes like pea. Answered by 20 Jul, 2012, … cswip course in saudi arabia
In Dianthus, placentation isA. BasalB. MarginalC. AxileD
WebSolution: The figure given in option (b) represents the ! free central placentation. In free central placentation, I ovary is unilocular and ovules are borne on the axis in the center … WebCorrect option is D) The arrangement of ovules within the ovary is called as placentation. The most advanced placentation in plants is Basal placentation. In this type of placentation, the placenta develops from the base of the ovary and a single ovule is attached to the base. This type of placentation is found in the Asteraceae family ... WebThe plant has a large distribution area in East Asia, which includes not only China, but also Korea and eastern Russia, to the northwest it still occurs in Mongolia and Kazakhstan. The Flora of China also counts Europe as the area of distribution. The sites include grasslands as well as sparse forests. Cultivation [ edit] cswip course in jubail