Question:Which of the following is not correct? (a) Robert Brown discovered the cell. (b) Schleiden and Schwann formulated the cell theory. (c) Virchow explained that cells are formed from pre-existing cells. (d) A unicellular organism carries out its life activities within a single cell.
Answer:Robert Brown (1773-1858) was responsible for discovering the nucleus of a cell.
The cell was first discovered and named by Robert Hooke in 1665.
Option (a) is not correct