Cell arises from pre-existing cell was stated by
(a) Haeckel
(b) Virchow
(c) Hooke
(d) Schleiden.

Correct Answer: (b) Virchow

Explanation:
All cells arise from pre-existing cells. Cells are the fundamental units of life that are produced by the mitotic cell division of an existing cell. Thus the pre-existing cells are the cells from which a new cell is formed by splitting in the mitotic division.