Major Discoveries Related to Cell


 
 
Concept Explanation
 

Major Discoveries related to Cell

Some of the major discoveries of the cell are given below in the table .

Scientist

Year

Work

 Robert Hooke

1665

Discovered cells for first time in cork slice with the help of a primitive microscope.

 Leeuwenhoek

1674

Discovered free living cells in pond water by his improved microscope.

 Robert Brown

1831

Discovered nucleus in cell

 Schleiden and   Schwann

1838 - 1839

Presented cell theory, which states that all plants and animals are composed of cells and the cell is the basic unit of life. Schwan cell theory:

A. He reported that cells have a thin outer later which is today known as plasma membrane.

B. Cell wall as unique character of plant cell.

C. Body of plant and animals are composed of cells and product of cells.

 Purkinje

1839

Coined the term 'protoplasm' for the fluid substance of cell

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Sample Questions
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Question : 1

Which scientist build the first electron microscope ?

Right Option : A
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Question : 2

Who discovered Nucleus? 

Right Option : B
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Question : 3

Who first explained that cell divides and that all new cells must come from pre-existing cells?

Right Option : D
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