Cell Theory
Biology ⇒ Cell Biology
Cell Theory starts at 6 and continues till grade 12.
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See sample questions for grade 7
Describe one way in which the cell theory changed our understanding of living things.
Describe the main difference between unicellular and multicellular organisms.
Explain why the cell theory is important in biology.
Explain why the invention of the microscope was important for the development of the cell theory.
Explain why viruses are not considered living according to the cell theory.
Name one organism that is made up of only one cell.
What is the basic unit of life according to the cell theory?
What is the main idea of the cell theory?
Which invention was most important for the development of the cell theory?
(1) Telescope
(2) Microscope
(3) Thermometer
(4) Barometer
Which of the following best describes a multicellular organism?
(1) Made of one cell
(2) Made of many cells
(3) Not made of cells
(4) Made of atoms only
Which of the following is a correct statement of the cell theory?
(1) Cells can only be seen with the naked eye.
(2) All living things are made of cells.
(3) Only plants are made of cells.
(4) Cells are not important.
Which of the following is a unicellular organism?
(1) Human
(2) Dog
(3) Bacterium
(4) Tree
Fill in the blank: Bacteria are examples of _______ organisms.
Fill in the blank: Cells arise only from _______ cells.
Fill in the blank: Cells can be observed using a _______.
Fill in the blank: The cell is the basic unit of _______ and function in living things.
True or False: According to the cell theory, all living things are made of tissues.
True or False: According to the cell theory, new cells are created from non-living material.
True or False: All cells contain DNA.
True or False: All cells have the same shape and size.
