The Function Unit of Life

1. What is Cell ?

Ans:- The cell is the basic structural and Functional unit of life. 

2. Different between Unicellular and Multicellular organisms ?

Ans:-  Unicellular Organisms

          1. An Unicellular Organisms is represented by a single cell

          

           2. All activities of the organisms are performed by a single cell.

           3. There is no division as the single cell perform all life activities.

           4. Reproduction consumes a single cell.

 

           5. The life span of an individual is short.

            Multicellular organisms

           1. A Multicellular organisms consists of large number of cell.

           2. A single cell perform one or few activities of the Organisms

           3. Cells are specialized to perform different functions of the body so that there is a division of labour within cells.

           4. Only some cells of the body call germ cells take part in reproduction. Other cells (somatic cells) remain intact.

Ncert Corner

1. Who discovered cells, and how?

Ans:- Robert Hook in the year 1665 discovered the cell for the first time.