Ginger is a

Which family contains fibre-yielding plants?

Which family of plants is known as petroleum plants?

Which of the following is given as a decoction in jaundice,paralysis,urinary troubles,menstrual disorders,and inflammatory conditions of the chest?

Leaves of which plant are economically important?

From which part of the cotton plant $(Gossypium)$,can maximum cellulose fibre be obtained?