Matthias Schleiden $(1838)$ proposed that the cell is the structural and functional unit of life. His idea was a:

The largest egg belongs to

The first person to observe a live cell under a microscope was .......

The properties of a cell are the result of:

Which levels of organization are included in microscopic studies?

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.