NEET 2013 Botany Types of Aestivation MCQ Question

In botany, the term 'valvate aestivation' refers to a type of flower bud arrangement where the petals or sepals are arranged in such a way that they touch each other at the edges without overlapping. Among the plants listed, the following have corolla with valvate aestivation: Calotropis, Sweet pea, Petunia, Indigofera, Mustard, and Tobacco. This totals to six plants. The options B (Seven), C (Eight), and D (Five) are incorrect as they either overcount or undercount the plants with this specific type of aestivation. Therefore, the correct answer is A, which states that six plants exhibit valvate aestivation.