1. Dwarfism results due to (a) Excess secretion of thyroxin (b) Less secretion of growth hormone (c) Less secretion of adrenaline Excess secretion of growth hormone

• Soln:

The answer is (b) Less secretion of growth hormone

Explanation:

Growth hormones are responsible for the overall growth of an organism. When there is no secretion of growth hormones, it leads to dwarfism.