VA SOL HS Biology Practice # 1

Front

What is the independent variable in an experiment testing the growth of green algae under different light colors?

Back

The independent variable is the color of light algae is exposed to.

Front

What should a student do to readjust for fine focus when viewing a slide under a microscope without glasses?

Back

The student will need to use the fine focus knob (part labeled 4).

Front

Which of the following is not a characteristic found in all living things: chloroplast, obtaining and using material and energy, responding to stimuli, reproducing and passing hereditary material?

Back

Chloroplast is not a characteristic found in all living things.

Front

What stage of cell division is indicated when a student sees a cell in cytokinesis under a light microscope?

Back

The cell is most likely from a plant.

Front

Why do enzymes only work with specific substrates?

Back

Each substrate has a specific activation site for enzyme attachment.

Front

Define 'independent variable' in an experiment.

Back

An independent variable is the factor that is changed or controlled in a scientific experiment to test its effects on the dependent variable.

Front

What is the role of chloroplasts in plant cells?

Back

Chloroplasts are responsible for photosynthesis, converting light energy into chemical energy.

Front

What is the function of the fine focus knob on a microscope?

Back

The fine focus knob is used to make small adjustments to the focus of the microscope.

Front

List one characteristic that all living things share.

Back

All living things obtain and use material and energy.

Front

What is cytokinesis?

Back

Cytokinesis is the process during cell division where the cytoplasm divides, resulting in two daughter cells.