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

(a) Trifolium (b) Indigofera (c) Lupin (d) Cassia

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Solution

(b) Indigofera tintoria and T suffruticoga are the two plants belonging to the family-- Fabaceae that produce blue indigo dye.

The other options are incorrect as

Trifolium is used as fodder.

Lupin is an ornamental plant.

Cassia is a shrub usually grown on the road side as an ornamental plant.

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A.	Gram, sem, moong, soybean	(i).	Timber
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Which of the following plants is used to extract the blue dye? (a) Trifolium (b) Indigofera (c) Lupin (d) Cassia

(b) Indigofera tintoria and T suffruticoga are the two plants belonging to the family-- Fabaceae that produce blue indigo dye. The other options are incorrect as Trifolium is used as fodder. Lupin is an ornamental plant. Cassia is a shrub usually grown on the road side as an ornamental plant.

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

(a) Trifolium (b) Indigofera (c) Lupin (d) Cassia

(b) Indigofera tintoria and T suffruticoga are the two plants belonging to the family-- Fabaceae that produce blue indigo dye.

The other options are incorrect as

Trifolium is used as fodder.

Lupin is an ornamental plant.

Cassia is a shrub usually grown on the road side as an ornamental plant.