Question

what is osmosis

who discovered cell &how

Answer 1

Osmosis is the movement by which a solvent moves from a region where there is higher solute concentration to the region where there is lower solute concentration separated by a permeable region.
the cell was first discovered by Robert Hooke when he looked a cork through a microscope he found honey comb like structures which he called cells.

Answer 2

osmosis is a process in which molecules of solvent  pass through a semipermeable membrane from lower concentration to higher concentration
it was robert hooke who saw a thin slice of bark of tree under his sel designed microscope he found some honey comb like stucture with empty rooms he named these empty rooms as cells but unfortunately the cells were dead