NTA Abhyas NEET2020BotanyMorphology of Flowering PlantsPractice
Read the following matches regarding the placentation (i) Primrose - Free central (ii) Pea - Marginal (iii) Marigold - Basal (iv) Poppy - Axile Which of these are CORRECT?
Options
- A(i), (ii) and (iii)
- B(ii), (iii) and (iv)
- C(i), (iii) and (iv)
- D(ii) and (iii) only
Correct answer
A. (i), (ii) and (iii)
Step-by-step solution
Placentation is the arrangement of the ovules in the ovary and their attachment to it. Placentation are of various type in the angiosperms - marginal, axile, central, parietal, basal, and free central. In marginal placentation, ovules are attached to the ridge formed on the ventral suture of the ovary. The Pea plant has this arrangement. In parietal, the ovules are attached to the inner wall or towards the periphery of the ovary, observed in mustard plant and even argemone and poppy. Sunflower and marigold show bas