Cell Theory
Biology ⇒ Cell Biology
Cell Theory starts at 6 and continues till grade 12.
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See sample questions for grade 6
Describe one way the invention of the microscope helped develop the cell theory.
Explain how the cell theory changed the way scientists think about living things.
Explain why viruses are not considered living things according to the cell theory.
What is a multicellular organism?
What is the main idea of the cell theory?
What is the smallest unit of life that can carry out all life processes?
Which scientist concluded that all animals are made of cells?
Imagine a scientist discovers a new microscopic organism. What features should the scientist look for to decide if it follows the cell theory?
Which of the following best describes the cell theory?
(1) All living things are made of atoms.
(2) All living things are made of cells, and cells come from other cells.
(3) All living things are made of water.
(4) All living things are made of tissues only.
Which of the following is a basic principle of the cell theory?
(1) Cells are only found in animals.
(2) Cells are the basic unit of structure and function in living things.
(3) Cells can live forever.
(4) Cells are made of plastic.
Which of the following is a correct statement about cells?
(1) Cells are only found in plants.
(2) Cells are only found in animals.
(3) Cells are found in all living things.
(4) Cells are not found in bacteria.
Which of the following is an example of a unicellular organism?
(1) Human
(2) Dog
(3) Amoeba
(4) Tree
Fill in the blank: Cells are the ________ unit of life.
Fill in the blank: Cells come from ________ cells.
Fill in the blank: The ________ is the basic unit of structure and function in living things.
Fill in the blank: The cell theory helps explain how living things ________ and develop.
True or False: All cells have a nucleus.
True or False: All cells have the same shape and size.
True or False: The cell theory applies to both plants and animals.
True or False: The cell theory helps scientists understand how living things grow and reproduce.
