MCQ
Which elements are helpful in splitting of water?
- A$Ca^{+2}, Mg^{+2}$
- B$Ca^{+2}, K$
- ✓$Mn^{+2}, Cl^-$
- D$Cl^-, P$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$(ii)$ Stomata regulate the process of ....$b$..... and gaseous exchange