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Solution


Q.

In a pea flower, five petals are arranged in a specialised manner with one posterior, two lateral and two anterior. These are named as ______, ______, and ______ respectively.            [2023]
1 Keel, Wings and Standard  
2 Vexillum, Keel and Standard  
3 Keel, Standard and Carina  
4 Standard, Wings and Keel  

Ans.

(4)

In flowers of pea, there are five petals which are arranged in a specialised manner. The largest (standard) posterior petal overlaps the two lateral petals (wings), which in turn overlap the two smallest anterior petals (keel). This type of aestivation is known as vexillary or papilionaceous.