Which of the following plants is used to extract the blue dy... | Biology | SolveeIt | Solveeit

Today, August 18

Question

Which of the following plants is used to extract the blue dye ?

A

Trifolium

B

Indigofera

C

Lupin

D

Cassia

Answer

Indigofera

Explanation

Solution

Indigo (blue dye) is obtained from the leaves of Indigofera tinctoria and $I$ . suffruticosa. The leaves contain a colourless chemical which on exposure to air turns bluish.