NCERT Important Questions Class 9 Science biology Chapter 5
Important NCERT Extra Questions
Chapter 5 The Fundamental Unit of Life
NCERT Book Extra Questions for Session 2022-2023
CBSE Board and UP Board Others state Board
Who proposed the cell theory ?
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M.J. Schleiden and T.Schwann proposed the cell theory. Rudolf Virchow modified the cell theory and stated that every cell arises from pre-existing cell.