Q.

Erythropoietin hormone which stimulates RBC formation is produced by                [2021]

1 juxtaglomerular cells of the kidney  
2 alpha cells of pancreas  
3 the cells of rostral adenohypophysis  
4 the cells of bone marrow  

Ans.

(1)

The juxtaglomerular cells of kidney produce a peptide hormone called erythropoietin which stimulates erythropoiesis i.e., formation of RBC.