NEET BIOLOGY

Detailed explanation-1: -The type of placentation where the ovules are attached to the base of the ovary is called basal placentation. Plants like marigold and sunflower shows basal placentation.

Detailed explanation-2: -Plants like marigold and sunflower shows basal placentation. Pea plant shows marginal placentation.

Detailed explanation-3: -In the case of basal placentation, as the name suggests, the ovules are attached to the base of the ovary. Basal placentation takes place in marigold, sunflower etc.

Detailed explanation-4: -In basal placentation ovules are attached to the base of the ovary, and in parietal placentation the placentae are located directly on the ovary wall or on its extensions.

Detailed explanation-5: -Complete answer: Basal placentation can be found in the Asteraceae family. This is one of the largest and most widely distributed family of plant species. Flowers belong to this family which includes marigold and sunflower, and both undergo simple placenta.