Mineral Nutrition Question 25
25. Which one is an essential mineral, not constituent of any enzyme but stimulates the activity of many enzymes
(a) $Zn$
(b) $Mn$
(c) $K$
(d) $Mg$
Show Answer
Answer : c
Hints & Solution
(c) Potassium is not a constituent of any enzyme but is an activator of enzymes. Potassium is an essential mineral and is found in more amounts in actively dividing cells such as buds, young leaves, root tips, etc. It has some other roles like regulating stomatal movement and protein synthesis.
