Name one ‘single cell’ which behaves like a complete organism.

State an important characteristic of muscles cells.

Name a single cell (other than Ameoba cell) which can change its shape.

Name one cell which can be seen easily with naked eye and one cell which can be seen only through a microscape.

State whether the following statements are true or false :

(a) Unicellular organism have one- celled body.

(b) Muscle cells are branched.

(c) Amoeba has irregular shape.

(d) All the cells in our body are alike.

(e) A hen’s egg is a group of cells.

(f) The basic living unit of an organism is organ.