Cell is the fundamental, structural and functional unit​ of all living organisms because:

Q. Which of the following statement(s) is/are correct?
I. Unicellular organisms are incapable of independent existence.
II. Unicellular organisms cannot perform the essential functions of life.
III. Anything less than a complete structure of a cell does not ensure independent living.
IV. Cell is the fundamental structural and functional unit of all living organisms.

Q. Read the assertion and reason carefully to mark the correct option in question.

Assertion: Cell is the fundamental structural and functional unit of all living organisms.

Reason: Anything less than a complete structure of a cell does not ensure independent living.