Sunn hemp $(Indian\, hemp)$ is derived from which family?

The fleshy mesocarp of a plant is the source of palm oil,which is now in common use as an edible oil. This plant is known by the botanical name:

The complex inflorescence of which plant is used as food?

Lemon grass oil is extracted from

What is meant by the term $Karalam$?

From which part of the plant is $Ferula$ $assa-foetida$ obtained?