Q. A few major discoveries in cell biology are listed
(I). Schleiden and Schwann proposed the cell theory.
(II). Leewenhoeck discovered bacteria.
(III). Golgi stained cells with silver nitrate, discovered golgi apparatus.
(IV). First transmission electron microscope was developed.
The correct chronological order of these events starting with the earliest event is

 1890  243 Cell : The Unit of Life Report Error

Solution:

Correct answer is (c) II. I, III. IV