Mark out the number of incorrect statement/s:
[I] Some essential elements can alter the osmotic potential of a cell.
[II] Nitrogen is required by the meristematic tissue and the metabolically active cells only.
[III] `Mg^(2+)` is needed by several respiratory enzymes.
[IV] Mo is essential for the water-splitting reaction in photosynthsis, a reaction that leads to oxygen evolution.
[V] Sulphur is the main constituent of several coenzymes, vitamins (thiamine, biotin, coenzyme-A) and ferrodoxin.

Options

A. Two
B. Three
C. Four
D. Five

Answer

A