Cell theory was proposed by A zoologist A botanist A botanist and a zoologist A psychologist

Cell theory was proposed by a German botanist, Matthias Schleiden and English zoologist, Theodor Schwann in the year 1839. The cell theory includes the following points -1) All living things are made up of cells.2) The cell is the smallest living thing that can perform all the functions of life.3) All cells must come from pre-existing cells.