THE CELL
CELL THEORY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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All living organisms are composed of cells and a cell is the basic structural and functional unit.
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Cells are the building blocks of living organism
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New cells are produced from pre-existing cells.
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Cells form by free-cell formation or spontaneous generation
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Detailed explanation-1: -The correct option is C All cells are surrounded by cell wall. Schleiden, Schwann and Virchow contributed to the formation of cell theory.
Detailed explanation-2: -The three postulates of cell theory are the following: all living things are made of at least one cell, the cell is the basic unit of life, and all cells come from preexisting cells.
Detailed explanation-3: -Virus does not categorize or does not occur to the cell theory. Hence, the correct answer is option (C). Note: Bacteria, algae and fungi are the unicellular and multicellular organisms that show the complete definite cellular structure with cell organelles, produce energy by burning food and reproduce.
Detailed explanation-4: -The three tenets of the cell theory are: All living organisms are composed of one or more cells. The cell is the basic unit of structure and organization in organisms. Cells arise from pre-existing cells.
Detailed explanation-5: -Detailed Solution. The correct answer is All cells are identical.