What is the main characteristic of the ovary in the family $Brassicaceae$ (formerly $Cruciferae$)?

Basifixed monothecous anthers (or anthers with two microsporangia) are characteristic of:

To which family does $Althaea rosea$ belong?

Raphanus belongs to 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

To which series does $Madhuca \text{ } indica$ belong?