Dwarfism results due to :
(a) excessive secretion of thyroxine hormone
(b) excessive secretion of growth hormone
(c) less secretion of adrenaline hormone
(d) less secretion of growth hormone
Answer :
(d) less secretion of growth hormone
Dwarfism is characterised by retarded physical growth and a normal brain. It is caused due to the hypo-secretion of growth hormone by the anterior lobe of the pituitary gland.