Which of the following statements are true for cell theory?

(i) Matthias Schleiden, a German botanist, observed that all plants are composed of different kinds of cells which form the tissues of the plant.

(ii) Theodor Schwann, a British zoologist, reported that cells had a thin outer layer which is today known as the ‘plasma membrane’.

(iii) Matthias Schleiden, based on his studies on plant tissues, that the presence of cell wall is a unique character of the plant cells.

(iv) Schwann proposed the hypothesis that the bodies of animals and plants are composed of cells and products of cells.

(v) Rudolf Virchow first explained that cells divided and new cells are formed from pre-existing cells.