Question

______ was the first one to observe free-living cells. The term cell was given by ______. Cell theory was proposed by ______ and ______. All cells arise from pre-existing cells was suggested by ______.
Select the correct sequence of names to complete the above paragraph.
A. Robert Hooke, Virchow, Anton von Leeuwenhoek, Schleiden, Schwann
B. Anton von Leeuwenhoek, Robert Hooke, Schleiden, Schwann, Virchow
C. Robert Hooke, Virchow, Schleiden, Schwann, Anton von Leeuwenhoek
D. Anton von Leeuwenhoek, Virchow, Schleiden, Schwann, Robert Hooke

Answer 1

Hint: All of these scientists either belong to the 16th century or 18th century. The person who first observed a living cell is one of the first microscopists. The person who termed the cell is the father of cytology.

Complete answer:
Anton von Leeuwenhoek was the first one to observe free-living cells and he called them animalcules. The term cell was given by Robert Hooke. Cell theory was proposed by Schleiden and Schwann jointly. All cells arise from pre-existing cells as suggested by Rudolf Virchow.
is known as the cell lineage theory.
So, the correct answer is option B

Additional Information:
The cell theory proposed by Schleiden and Schwann is as follows:
- All living organisms consist of cells and their products.
- All cells are structurally and functionally similar.
- Cells perform vital activities of an organism.
- Cells are the unit of heredity.

So, the correct answer is ‘Anton von Leeuwenhoek, Robert Hooke, Schleiden, Schwann, Virchow’

Note: The first person to observe a dead cork or plant cell was Robert Hooke but the first person to observe a living animal cell was Anton von Leeuwenhoek, this should be remembered. Father of Modern Cytology is Swanson and Robert Hooke is the Father of Cytology.