Cell Theory

Q. The postulate of cell theory given by Virchow is about ________ aspect of cell.

1. structural
2. functional
3. both a and b
4. none of these

Q. The concept of "Omnis cellula-e cellula" regarding cell division was first proposed by

1. Aristotle
2. Rudolf Virchow
3. Theodore Schwann
4. Schleiden

Q.

Who proposed the theory- "Cells arise only from the pre-existing cells"?

1. Hugo Von Mohl

2. Rudolf Virchow

3. Ernst Haeckel

4. Robert Brown

Q. Which postulate of the cell theory has practical applications in healthcare because it promotes the use of sterilization and disinfection?

1. All cells come from pre-existing cells
2. All living organisms are composed of one or more cells
3. A cell is the basic unit of life
4. A nucleus and organelles are found in prokaryotic cells

Q. Which is correct about cell theory in view of current status of our knowledge about cell structure?

1. It needs modification due to discovery of sub cellular structure like chloroplasts and mitochondria.
2. Modified cell theory means that all living beings are composed of cells capable of reproducing.
3. Cell theory does not hold good because all living being do not have cellular organization (e.g., viruses)
4. Cell theory means that all living objects consists of cells whether or not capable reproducing.