The condition known as cretinism is caused by the deficiency of? By: Sunday|Published on: Jun 28|Categories: Biology WAEC| 0 comments A. adrenalin B. vitamin A C. insulin D. thyroxin E. vitamin C Correct Answer: Option D – thyroxin Users Also Read These:Vitamin C deficiency results in?Vitamin K deficiency in farm animals causes?Nitrogen deficiency in plants can lead to the…The deficiency of manganese in plants results in?A nutritional deficiency disease of livestock is?SEE ALSO Which of the following activities constitutes biological control?