8th Grade Life Science Pre-Test

Front

What is the function of the cell membrane?

Back

The cell membrane protects the cell and regulates what enters and exits the cell.

Front

What is the difference between a cell wall and a cell membrane?

Back

The cell wall is found in plant cells and provides structure, while the cell membrane is found in all cells and controls the movement of substances.

Front

What happens to plant leaves when vacuoles shrink?

Back

The plant leaves wilt due to loss of turgor pressure.

Front

What is a eukaryote?

Back

A eukaryote is an organism whose cells have a nucleus enclosed within membranes.

Front

Which kingdom do plants belong to?

Back

Plantae.

Front

What is the classification of Escherichia coli?

Back

E. coli is classified in the kingdom Bacteria.

Front

What is the role of chloroplasts in plant cells?

Back

Chloroplasts absorb light energy to perform photosynthesis.

Front

What is a prokaryotic organism?

Back

A prokaryotic organism is a single-celled organism that lacks a nucleus.

Front

What is the scientific name for the bobcat?

Back

Lynx rufus.

Front

What is the primary function of vacuoles in plant cells?

Back

Vacuoles store nutrients and waste products and help maintain turgor pressure.