Effect of thyroxine on B.M.R is

The correct option is A

Increases

The correct option is A:

Explanation of the correct option :

Thyroid hormones stimulate diverse metabolic activities in most tissues, leading to an increase in basal metabolic rate. The role of the Thyroxine hormone is to increase the metabolic rate of the organs and tissue of the whole body.

Explanation of the incorrect option:

Thyroxine hormone increases the B.M.R.

Option C:

Thyroxine hormone increases the B.M.R.

Option D:

Thyroxine hormone increases the B.M.R.

Final answer: Thyroxine hormone increases the B.M.R.