First Semester Final - Biology

Front

What is a variable in an experiment?

Back

A variable is any factor, trait, or condition that can exist in differing amounts or types. In an experiment, it is the element that is changed or controlled to test its effects on the outcome.

Front

Where does the Calvin cycle occur in the chloroplast?

Back

The Calvin cycle occurs in the stroma of the chloroplast.

Front

What is a hypothesis?

Back

A hypothesis is a proposed explanation for a phenomenon, which can be tested through experimentation.

Front

What is the pH of a strong base?

Back

The pH of a strong base is typically around 13.0.

Front

What is homeostasis?

Back

Homeostasis is the process by which organisms regulate their internal environment to maintain stable, constant conditions.

Front

What is photosynthesis?

Back

Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll.

Front

What is the role of a control group in an experiment?

Back

A control group is used as a standard for comparison in an experiment. It does not receive the experimental treatment.

Front

What is the difference between an observation and an inference?

Back

An observation is a statement based on what one sees, hears, or feels, while an inference is a conclusion drawn from observations.

Front

What is the function of chlorophyll in photosynthesis?

Back

Chlorophyll is a pigment found in plants that absorbs light energy, primarily from the sun, to facilitate photosynthesis.

Front

What is metabolism?

Back

Metabolism is the set of life-sustaining chemical reactions in organisms that convert food into energy.