Question

Hugo de Vries works on the mutation in

• A. Last decade of nineteenth century
• B. First decade of nineteenth century
• C. First decade of eighteenth century
• D. First decade of twentieth century

Answer 1

The correct option is D First decade of twentieth century

Hugo de Vries
Hugo de Vries was a Dutch botanist. He conducted experiments on Oenothera lamarckiana (Evening primrose) in the first decade of the twentieth century. He gave the mutation theory which stated that mutations were large random and directionless differences arising suddenly in a population which resulted in evolution.

Final answer
(b) First decade of twentieth century