Question

Cell was a discovery made by Robert Hooke. How did he achieve it? Why was it not possible before he discovered it?

Answer 1

Cells were discovered by Hooke using his primitive microscope. Since cells are not visible to a naked eye, they can only be seen through a magnifying lens. Hence it was not possible for them to be discovered before.

Answer 2

Because before Robert Hooke there is not microscope. Robert Hooke first discovered simple microscope and from this microscope he first discovered cork cell.