Which type of sepal aestivation is found in the $Solanaceae$ family?

Rauwolfia serpentina belongs to the family .....

$Rosa \text{ } indica$ is the scientific name of which of the following?

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

Which of the following characters are related to the family $Malvaceae$?
$(a)$ Five stamens
$(b)$ Marginal placentation
$(c)$ Infinite stamens
$(d)$ Twisted aestivation

Beet root $(Beta\, vulgaris)$ belongs to the family: