Cell Theory
Biology ⇒ Cell Biology
Cell Theory starts at 6 and continues till grade 12.
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See sample questions for grade 12
Describe how advancements in microscopy have impacted our understanding of cell theory.
Describe how cell theory has influenced modern medicine.
Describe one limitation of the original cell theory.
Describe one way in which modern cell theory differs from the original cell theory.
Describe the contribution of Theodor Schwann to cell theory.
Explain how cell theory supports the idea that all life shares a common ancestry.
Explain why the cell theory does not apply to viruses.
A scientist observes a new microscopic structure that can metabolize nutrients and reproduce, but lacks a cell membrane. Based on cell theory, should this structure be classified as a living cell? Justify your answer.
Which of the following best describes the relationship between cell theory and the concept of spontaneous generation?
(1) Cell theory supports spontaneous generation.
(2) Cell theory disproves spontaneous generation.
(3) Cell theory is unrelated to spontaneous generation.
(4) Cell theory is based on spontaneous generation.
Which of the following best describes the role of cells in multicellular organisms?
(1) Cells function independently without coordination.
(2) Cells specialize and work together to perform complex functions.
(3) Cells do not interact with each other.
(4) Cells are only present in the skin.
Which of the following is a direct implication of cell theory?
(1) All living things must be multicellular.
(2) All life processes occur within cells.
(3) Only plants have cells.
(4) Cells can exist without any structure.
Which of the following is a modern addition to the cell theory?
(1) All cells have a cell wall.
(2) All cells contain hereditary information passed from cell to cell during cell division.
(3) All cells are visible to the naked eye.
(4) All cells are prokaryotic.
Fill in the blank: The basic unit of structure and function in all living organisms is the __________.
Fill in the blank: The cell theory states that all cells arise from __________ cells.
Fill in the blank: The cell theory was developed after the invention of the __________.
Fill in the blank: The cell theory was developed by scientists from __________ (country).
True or False: According to cell theory, all cells have the same genetic material.
True or False: According to cell theory, all cells have the same structure and function.
True or False: According to cell theory, all cells must be able to reproduce.
True or False: According to cell theory, all living things are composed of one or more cells.
