Which of the following best defines a cell?

• The largest unit of life

• The smallest unit of life

• A group of organs

• A type of bacteria

Tags

NGSS.MS-LS1-1

What is the main function of the cell membrane?

• Stores food

• Controls what enters and leaves the cell

• Produces energy

• Breaks down waste

Tags

NGSS.MS-LS1-2

Which statement about unicellular organisms is true?

• They have many cells working together

• They are an organism composed of one single cell.

• They are always microscopic and plants only

• They cannot reproduce

Tags

NGSS.MS-LS1-1

Multicellular organisms are made up of:

• One cell

• Millions or billions of cells working together

• Only plant cells

• No cells at all

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-3

Which structure is known as the “powerhouse” of the cell?

• Ribosome

• Mitochondrion

• Nucleus

• Cell wall

Tags

NGSS.MS-LS1-2

Which part of the cell contains genetic material (DNA)?

• Nucleus

• Cytoplasm

• Ribosome

• Membrane

Tags

NGSS.MS-LS1-2

NGSS.MS-LS3-1

Which of these is NOT a function of cells?

• Producing energy

• Carrying out life processes

• Controlling the weather

• Storing genetic material

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-6

Which of these organisms is unicellular?

• Human

• Oak tree

• Amoeba

• Dog

Tags

NGSS.MS-LS1-1

Which of these organisms is multicellular?

• Bacteria

• Paramecium

• Mushroom

• Euglena

Tags

NGSS.MS-LS1-1

Which statement best describes the function of lysosomes in a cell?

• They produce energy for the cell.

• They control what enters and leaves the cell.

• They digest and break down waste materials.

• They store the cell’s genetic information.

Tags

NGSS.MS-LS1-2