photosynthesis as a whole takes place in the organelle called chloroplast but light reaction takes place in the chloroplast stroma
Probably because of history relation.
Because water is polar and oil is nonpolar, their molecules are not attracted to each other. The molecules of a polar solvent like water are attracted to other polar molecules, such as those of sugar. ... Ionic compounds, such as sodium chloride, are also highly soluble in water.