Question

Auxin 'b' is isolated from corn germ oil.

• A. True
• B. False

Answer 1

The correct option is A True

Kogl (1931) isolated substance from urine of pathological Dutch patient and named it auxin 'a' (auxinotriolic acid). Kogl et al. 1935 isolated a similar substance from corn germ oil and named it auxin 'b' (auxinolonic acid). Subsequently another auxin from human urine was isolated which was named IAA (Indole Acetic Acid).

Thus, the correct answer is option A.