(i) Which one of

(i) Starch is a polysaccharide made up of poly units of glucose.

(ii) A protein with an unique 3D structure present inside a biological system is known as native protein. But when native protein is subjected to physical and chemical changes, its structure get disturbed and it loses its biological activity and becomes a denatured protein.

(iii) Vitamin K is responsible for the coagulation of Blood.