Solved by a verified expert:Which one of the following is a unicellular, nonmotile desmid?(A) Clostridium (B) Chlorobium(C) Cosmarium (D) ChromatiumWhich one of the following is a driving force for the process of ‘passive absorption of water in roots’?(A) Root pressure(B) The increase in imbibitional pressure in root cells.(C) Transpiration in leaves(D) Activity of aquaporins