Answer: True
This definition is true that nutrition is the proper supply of nutrients from healthy food consumed by the body and using it for growth, metabolism, reproduction, repair, immunity and source of energy.
Moreover, Nutrition is also the science that interprets the interaction of nutrients and other substances in food taken in relation to maintenance, health and disease of an organism. This includes ingestion, digestion, absorption, transport, assimilation, biosynthesis, catabolism and excretion.
Iodine solution is used to test leaves for the presence of starch. You need to: heat a plant leaf in boiling water for 30 seconds (this stops its chemical reactions) heat it in boiling ethanol for a few minutes (this removes most of its colour)
It helps maintain fluid balance in the body by collecting excess fluid and particulate matter from tissues