Which hormone was first isolated from human urine?

Question

Which hormone was first isolated from human urine? (A) Auxin (B) ABA (C) Ethylene (D) Gibberellic acid

Tardigrade Admin · Accepted Answer

Auxin (derived from Greek word auxin, which means to grow) was first isolated from human urine. Kogl and Haagen-Smit (1931) isolated three chemicals from human urine and named them as auxin.

Q. Which hormone was first isolated from human urine?

Auxin

ABA

Ethylene

Gibberellic acid

Auxin (derived from Greek word auxin, which means to grow) was first isolated from human urine. Kogl and Haagen-Smit $(1931)$ isolated three chemicals from human urine and named them as auxin.