Q. Cell is the fundamental, structural and functional unit of all living organisms because
(1) Unicellular organisms are incapable of
independent existance
(2) The cell is the basic unit of life
(3) Anything less than a complete structure of cell does ensure independent living
(4) Essential life functions can be performed in only multicellular organisms

Dear student.

The correct answer is 2.

Cells are the basic units of life capable of doing all the required biochemical processes that a normal cell has to do in order to live. The basic needs for the survival of all living organisms are the same. All living organisms need to respire, digest food for obtaining energy, and get rid of metabolic wastes. Cells are capable of performing all the metabolic functions of the body. Hence, cells are called the fundamental units of life.


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