<prompt> Conversion of chondrocyte into osteogenic cells is caused by -InsulinEorticosteroidsGrowth hormoneThyroxine  <response>: Ans. is c i.e., Growth hormone A specific effect of Growth Hormone GH on skeletal growth is to convert chondrocytes into osteogenic cells, thus, causing specifc depostion of new bone. This effect on bone growth is mediated by insulin like growth factor-1 IGF-1. Thus, conversion of chondrocytes into osteogenic cells Caused by - growth hormone Which is mediated by - IGF-1 