Question

One of the following is a carotenoid derivative. Which is that?

• A. ABA
• B. LAA
• C. GA
• D. IBA

Answer 1

Answer:

A. ABA

Abscisic acid (ABA) is a plant hormone that is derived from carotenoids. Carotenoids are organic pigments that are yellow, orange, or red in color. They are produced by plants, algae, bacteria, archaea, and fungi. Carotenoids are responsible for the colors of pumpkins, carrots, parsnips, corn, tomatoes, and more.