NEET2026BiologyChapterActual
Match List I with List II regarding the arrangement of floral organs (aestivation) in different plants: List I List II A Calotropis I Vexillary B Cotton II Imbricate C Cassia III Valvate D Bean IV Twisted Choose the correct answer from the options given below:
Options
- AA-III, B-II, C-IV, D-I
- BA-III, B-IV, C-II, D-I
- CA-I, B-IV, C-II, D-III
- DA-IV, B-III, C-I, D-II
Correct answer
B. A-III, B-IV, C-II, D-I
Step-by-step solution
Aestivation is the mode of arrangement of sepals or petals in a floral bud with respect to the other members of the same whorl. Valvate aestivation: Sepals or petals in a whorl just touch one another at the margin, without overlapping. Example: Calotropis. Thus, A matches III. Twisted aestivation: One margin of the appendage overlaps that of the next one and so on. Examples: China rose, lady's finger, and cotton. Thus, B matches IV. Imbricate aestivation: The margins of sepals or petals overlap one another but not