NTA Abhyas NEET2020BotanyMorphology of Flowering PlantsPractice
Match the given figures of corolla aestivation with the related plants. (i) Cassia (ii) Pea (iii) Calotropis (iv) Gossypium
Options
- AA - (iv), B - (i), C - (ii), D - (iii)
- BA - (iii), B - (iv), C - (ii), D - (i)
- CA - (iii), B - (iv), C - (i), D - (ii)
- DA - (iv), B - (iii), C - (i), D - (ii)
Correct answer
C. A - (iii), B - (iv), C - (i), D - (ii)
Step-by-step solution
The mode of arrangement of sepals or petals in floral bud with respect to the other members of the same whorl is known as aestivation. The main types of aestivation are valvate, twisted, imbricate and vexillary .When sepals or petals in a whorl just touch one another at the margin, without overlapping, as in Calotropis, it is said to be valvate. If one margin of the appendage overlaps that of the next one and so on as in china rose, lady’s finger and cotton, it is called twisted. If the margins of sepals or p