Statement 1: All cells arise from pre-existing cells. Statement 2: All cells have a cell wall. Options: A . &nbspBoth the statements are correct. B . &nbspOnly statement 1 is correct. C . &nbspOnly statement 2 is correct. D . &nbspBoth the statements are incorrect.

Answer: Option B : B The cell theory was proposed by Matthias Schleiden (1838) and Theodor Schwann (1839), after studying plants and animal cells independently. It states that: All living organisms are made up of cells. Cells arethe smallest units in a living organismthat can perform all the functions of life. Rudolf Virchow in 1858 said "Omnis cellula-e-cellula", which means that all cells arise from the pre-existing cells only. Cell wall is a rigid outer layer which is present in bacterial, fungal and plant cells, but not present in animal cells.

Statement 1: All cells arise from pre-existing cells. Statement 2: All cells hav

Question

Statement 1: All cells arise from pre-existing cells.
Statement 2: All cells have a cell wall.

Options:

A . Both the statements are correct.

B . Only statement 1 is correct.

C . Only statement 2 is correct.

D . Both the statements are incorrect.

Answer: Option B
:
B
The cell theory was proposed by Matthias Schleiden (1838) and Theodor Schwann (1839), after studying plants and animal cells independently. It states that: