What is the best way to prepare for an AP® exam? Learners become familiar with the AP® Biology exam by completing a full-length practice exam. The AP® test prep by the College Board contains multiple choice, grid-in, and free-response...

Take an interactive quiz over biochemistry and organic chemistry. After completing the quiz, check your score, and then revisit any incorrect question for further review.

How much do you know about biological macromolecules?

Try these twenty multiple-choice questions to review the concepts of the chemistry embedded in biology. Each question has a clickable hint, and the entire assessment is self-checking.

Two multiple-choice quizzes, one on the processes and types of biological molecules, the other on the structure and replication of DNA.

Try these five multiple-choice questions about the building blocks of life. The quiz is self-checking, and provides hints to the student if needed.

Take this interactive, multiple-choice quiz over the organic molecules important to life, then review your score and any missed questions at the end.

Do you understand the fundamental concepts of metabolism? You can find out by going through the quizzes and accompanying tutorials of this resource.

Take an interactive quiz over the molecules of life. After completing the quiz, check your score, and then revisit any incorrect question for further review.

Take an interactive quiz over organic compounds. After completing the quiz, check your score, and then revisit any incorrect question for further review.

Answer the question wrong and you will get a brief tutorial in the right direction. Answer it right and you must know what you are talking about. Part of a larger quiz on cellular respiration.

A part of a larger quiz on cellular respiration as a whole. If you miss the question, you'll get a tutorial on the subject. If you get it right, you're smart.

Part of a larger quiz on cellular metabolism. If you get the wrong answer you get a tutorial on the subject. Test your knowledge.