Multiple choice general knowledge science & technology

Where does indigo dye come from?

  1. plant

  2. steel

  3. stone

  4. water
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Indigo dye is extracted from plants of the Indigofera genus, particularly Indigofera tinctoria. The dye has been used for thousands of years and was historically a major trade commodity, with India being a major producer.

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