G6 lesson 1 T1

The smallest tiny structures that build up all living organism's bodies are

• systems.

• cells.

• organs.

• bricks.

We can see the cell of......without using a microscope.

• bacteria

• plant

• human

• bird's egg

The.........is responsible for the entry and exit of water into and out of the cell.

• cell membrane

• muscle cell

• nucleus

• bone cell

The number of cells which build up a baby's body is.......the number of cells. which build up his father's body.

• more than

• less than

• equal to

• double

The structure(s) found in the plant cell and not found in the animal cell is/are

• cell membrane only.

• cell wall only.

• cell membrane and nucleus.

• cell wall and nucleus.

Growth of a living organism is resulted from increasing the........of cells in its body.

• length

• size

• number

• mass

The body of is composed of one cell only.

• human

• bacteria

• bird's egg

• an elephant

The main building unit of living organisms bodies that can do all vital processes.

The component of cell that allows water to enter and exit the cell.

A device that is used to see the structure of living organisms cells.