Cell Theory

A set of principles developed over time via multiple investigations.

• Hypothesis

• Theory

• Dogma

• Assumption

The discovery of the cell was made through the invention of the microscope between what year?

• 1665-1838

• 1700-1800

• 1565-1835

• 1660-1860

Which of the following is not a postulate of the Cell Theory?

• The cell is the most basic unit of life.

• All existing cells are produced from pre-existing cells.

• The cell the basic membrane-bound unit that contains the fundamental molecules of life and of which all living things are composed.

• All organisms are made up of cells.

Believed to be the first investigator to invent the compound microscope.

• Robert Hooke

• Anton van Leeuwenhoek

• Zacharias Janssen

• Matthias Schleiden

What do you call the microscope invented by Janssen?

• The Janssen's Microscope

• The Janssen Drawtube Microscope

• The Janssen Brass Microscope

• The Janssen's Compound Microscope

What is the magnification of the Janssen Drawtube Microscope?

• 6x to 12x

• 5x to 10x

• 2x to 7x

• 3x to 9x

He is an English scientist who used the compound microscope to observe cork.

• Robert Hooke

• Anton van Leeuwenhoek

• Zacharias Janssen

• Matthias Schleiden

The word cell got its name from what word that means "small rooms"?

In what year was the Cell Theory formulated?

• 1565

• 1665

• 1765

• 1865

He was one of the first scientists to refer to living cells upon observing on a drop of pond water.

• Robert Hooke

• Anton van Leeuwenhoek

• Rudolf Virchow

• Matthias Schleiden

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