| A | B | C |
| Mineral | Deficiency symptoms | Importance |
a | Potassium | (i) Leaves turn dark green | (I) Regulation of stomatal pore |
b | Sulphur | (ii) Accumulation of purple pigment | (II) Constituent of Chlorophyll |
c | Magnesium | (iii) Wilting and dropping of leaves | (III) Required for activity of oxidoreductase |
d | Copper | (iv) Old leaves start to die | (IV) Essential for carboxylase enzyme |
| | (v) Shortening of inter-node | (V) It is constituent of thiamine |