Question

Plant growth hormones extracted from a fungus and a fish are respectively

• A. Gibberellins and zeatin
• B. Ethylene and cytokinin
• C. Auxin and 2, 4-D
• D. Gibberellin and kinetin

Answer 1

The correct option is D Gibberellin and kinetin

Gibberellin was first isolated from fungus Gibberella fujikuroi and and hence isolate was given gibberellin name. It is a plant growth regulator. It is involved in various processes like stem elongation, germination, dormancy, leaf and fruit senescence. Kinetin is a type of cytokinin, a plant hormone. It was first isolated from sperm DNA of herring fish. It helps in cell division.

Thus, the correct answer is option D.