The ligulate corolla found in the family $Compositae$ (Asteraceae) is:

Bicollateral vascular bundles are found in the members of this family:

The false septum (replum) is a characteristic feature of the ovary of which family?

Select the correct option on the basis of the following characteristics:
$(I)$ Inflorescence - racemose
$(II)$ Gynoecium - ovary superior,monocarpellary
$(III)$ Seed - non-endospermic

Persistent calyx is a characteristic of

The family $Leguminosae$ (Fabaceae) is important for which of the following?