$Hibiscus rosa-sinensis$ is the scientific name of which of the following?

Select the correct option for placentation in the given families.

Family $Fabaceae$ differs from $Solanaceae$ and $Liliaceae$. With respect to the stamens,pick out the characteristics specific to family $Fabaceae$ but not found in $Solanaceae$ or $Liliaceae$.

Give the economic importance of the Fabaceae family.

To which series does $Catharanthus$ $roseus$ belong?

$Iberis$ is commonly known as .........