Q. Which one of the following elements is essential for the life of animal and not for plants?
A) Calcium
B) Iodine
C) Phosphorus
D) Potassium
Explanation
Iodine is essential for the life of animals. It is required for the formation of thyroxine hormone, which controls basal metabolic rate (BMR). This hormone stimulates protein synthesis and therefore, promote growth of body tissues.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.