TS EAMCET Medical 8 May 2019 Shift 1 Paper

Potassium ion (K+) performs which of the following functions in plants?
I. It is involved in protein synthesis.
II. It helps in photolysis of water during photosynthesis.
III. Essential for the formation of chlorophyll.
IV. Maintains anion-cation balance.
V. Required for pollen germination.
The correct combination is