Test: Cells 7th Grade

Front

What is a unicellular organism?

Back

An organism made of only one cell.

Front

What is a multicellular organism?

Back

An organism made of many cells.

Front

What is the function of the nucleus in a cell?

Back

It contains the DNA and controls the functions of the cell.

Front

What organelle is responsible for photosynthesis in plant cells?

Back

Chloroplast.

Front

What do prokaryotes lack that eukaryotes have?

Back

A true nucleus.

Front

What is the role of the cell membrane?

Back

It protects the cell and controls what enters and leaves.

Front

What is the function of vacuoles in plant cells?

Back

They store nutrients and waste products.

Front

What is chlorophyll?

Back

A green pigment found in chloroplasts that is essential for photosynthesis.

Front

What is the difference between prokaryotic and eukaryotic cells?

Back

Prokaryotic cells lack a nucleus; eukaryotic cells have a nucleus.

Front

What is the cell wall?

Back

A rigid outer layer that provides support and protection to plant cells.