question_answer

A cell 'A' with \[\operatorname{D}.P.D. = 8\] is surrounded by three cells 'B', 'C' and 'D' with D.P.D. respectively 4, 6 and 5. What shall be the direction of water movement?

A)

B) \[A\to B\to C\to D\]

C) \[D\to C\to B\to A\]

D) \[A\to B\to C\to D\]