Multiple choice

Direction: Choose the appropriate answer from the options given below :

The German botanist Mathias Schleiden and the German physiologist ______ proposed the cell theory or cell doctrine in 1838 and 1839 respectively.

  1. Rudolf Virchov

  2. Dujardin

  3. Max Schultz

  4. Theodor Schwann
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Theodor Schwann (1839) and Matthias Schleiden (1838) jointly proposed the cell theory. Schleiden worked on plant cells, Schwann extended the ideas to animal cells. Rudolf Virchow later added the third tenet 'Omnis cellula e cellula' (all cells from pre-existing cells) in 1855. Dujardin and Max Schultz are not associated with the cell theory.

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