HORTICULTURE SCIENCE
ULTRA STRUCTURE OF PLANT CELLS AND ORGANS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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All non-living things are made of cells
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All cells come from pre-existing cells
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Cells are the basic unit of structure and function of all living things
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None of the above
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Detailed explanation-1: -All living cells do not have cell walls. It is unique to plants, fungi and bacteria. So, it is not a postulate of the cell theory.
Detailed explanation-2: -The correct option is C All cells are surrounded by cell wall.
Detailed explanation-3: -A cell is the smallest unit that is typically considered alive and is a fundamental unit of life. All living organisms are composed of cells, from just one (unicellular) to many trillions (multicellular). Cell biology is the study of cells, their physiology, structure, and life cycle.
Detailed explanation-4: -Thus, option D is correct that is, Water is not made up of cells.
Detailed explanation-5: -The unified cell theory states that: all living things are composed of one or more cells; the cell is the basic unit of life; and new cells arise from existing cells. Rudolf Virchow later made important contributions to this theory.