The statement "Omnis cellula-e cellula", which means all cells arise from pre-existing cells, was given by

What is meant by cell theory? Who presented its principles? Which improvements were done in it? Describe them.

Which of the following statements was not explained in the cell theory given jointly by Schleiden and Schwann?

The name of the scientist who discovered the cell is .........

The Cell Theory was proposed by . . . . . . .

Select the statements which are related to Schwann.
$(i)$ He reported that cells have a thin outer layer which is today known as plasma membrane.
$(ii)$ Cell wall is a unique character of the plant cell.
$(iii)$ Body of plants and animals are composed of cells and products of cells.