TS EAMCET Medical 2015 Paper

Identify the physiological functions of two microelements, of them, the former is required for the_ synthesis and the latter for oxidation of IAA respectively
(I) Constituent of chlorophyll molecule
(II) Maintenance of cell turgidity
(III) Splitting of water in photosynthesis
(lV) Co-factor for carboxypeptidase
(V) Component of methionine