Cells & Microorganisms Unit Test Review

What type of cell is pictured?

• animal

• none of these

• multi-celled

• plant

Tags

NGSS.MS-LS1-1

The fluid substance that holds the organelles of the cell is called the _______.

• cytoplasm

• ribosome

• cell wall

• nucleus

Tags

NGSS.MS-LS1-2

• nucleus

• cytoplasm

• cell wall

• chloroplast

Tags

NGSS.MS-LS1-2

Which of the following cell types usually has a rigid cell wall?

• single-celled organisms

• plant cells

• multi-celled organisms

• animal cells

Which of the following does a plant cell have?

I. cell membrane

II. cell wall

III. cytoplasm

• II only

• I, II, and III

• II and III only

• III only

Tags

NGSS.MS-LS1-2

The smallest unit of life is _______.

• an organ

• an atom

• a cell

• bacteria

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-1

Dylan is using a microscope to look at the cells in onion skin. Why does he need a microscope to look at the cells?

• Cells are too far away to see with the naked eye.

• Cells are too small to see with the naked eye.

• The microscope separates the individual cells.

• The microscope collects the cells together.

An amoeba is a living thing that is made up of only one cell. It is too small to see with just your eyes. What tool could be used to see an amoeba?

• microscope

• sunglasses

• pencil

• hammer

Examine the pictures of the plant and animal cells.

Which of these statements is true about plant and animal cells?

• Plant cells are usually much smaller than animal cells because plants have more cells than animals.

• Animal cells contain mostly sugar, and plant cells contain mostly water.

• Animal cells are surrounded only by cell membranes, and plant cells are surrounded only by cell walls.

• Plant cells are usually shaped like boxes with flat sides, but animal cells can have many different shapes.

Tags

NGSS.MS-LS1-2

A cell has many structures inside it. All of these structures are held in the cell by its covering. What is this covering called?

• cell membrane

• chloroplast

• nucleus

• cytoplasm

Tags

NGSS.MS-LS1-2