Home › Quizzes › Exam & Certification Prep › MCAT Biology Practice Questions Generator

Turn your own MCAT biology notes into practice questions

Upload your lecture notes, slides or PDFs and DeckOwl writes multiple-choice, true/false and open questions with explanations, so you can drill the biology you are actually studying.

Create quizzes nowFree · No credit card required

Drop files here or browsePDF, DOCX, PPTX, text or photos of your notes · several files with Plus

Free · First set needs no signup · Creates quizzes in seconds

Why generate your own MCAT biology practice questions

Most MCAT biology review goes better when the practice questions match the material you are actually studying. DeckOwl reads your notes, slides or PDFs and writes Khan Academy-style MCAT biology practice questions from them, mixing multiple choice, true/false and open questions that each include an explanation.

Generate questions on a single chapter or a full unit of biology notes.
Mix multiple choice, true/false and short answer formats to match the exam style you are training for.
Read the explanation after every answer, including the ones you got right.
Export to PDF, DOCX or Anki on the Plus plan when you want to study away from the browser.

Example MCAT biology practice questions with answers

Which organelle is the primary site of ATP production in eukaryotic cells?The mitochondrion. Oxidative phosphorylation in the inner membrane generates most of the cell's ATP.

Two heterozygous parents (Aa) are crossed. What fraction of offspring are expected to be aa?One in four, or 25 percent. A Punnett square shows aa in one of four equally likely combinations.

When a competitive inhibitor is added, does the apparent Km increase or decrease?It increases. The inhibitor raises the substrate concentration needed to reach half Vmax, while Vmax itself is unchanged.

True or false: DNA replication is semiconservative.True. Each new double helix contains one original strand and one newly synthesized strand, as shown by the Meselson and Stahl experiment.

Which hormone raises blood glucose by stimulating glycogenolysis and gluconeogenesis?Glucagon. Pancreatic alpha cells release it when blood glucose falls.

Generate the full set

Built from your material

Questions come from the notes, slides or PDFs you upload, so your practice matches your course and your review list.

An explanation for every answer

Each question includes a short explanation of why the correct answer is right, so a missed question becomes a lesson.

Study in the browser, export on paid plans

Practice online on the free plan. Plus and Pro add PDF, DOCX, Anki and CSV exports, plus QTI 2.1 and Moodle XML for course platforms.

How it works

Upload your notes

Add a PDF, DOCX, PPTX, text file or photos of textbook pages. Photos are read with text recognition.

Choose question types

Pick multiple choice, true/false or short answer questions, and generate a set on the topics you are reviewing.

Practice and review misses

Answer the questions, read each explanation, and return to the topics where your answers were weakest.

DeckOwl does not provide ready-made Khan Academy content or an official question bank, and it does not claim any connection to Khan Academy. What it does is turn the biology you already have, such as lecture notes, a chapter summary or photos of textbook pages, into fresh questions you can repeat until the topics stick.

Use the questions as a regular check on cell biology, genetics, metabolism and organ systems. Review the explanations after each set, then regenerate questions on the weak areas.

Explore related topics

Are Khan Academy MCAT Questions Good?

Check Khan Academy MCAT practice questions, then build custom ones from your own notes.

MCAT practice questions from your notes

MCAT practice questions with explanations, built from your own notes and PDFs.

MCAT Biology Practice Questions

Generate MCAT biology questions with explanations from your own notes or slides.

MCAT Practice Test from Your Notes

Turn your own Khan Academy notes or PDFs into MCAT-style questions with explanations.

MCAT Practice Questions from Your Notes

Make MCAT practice questions with explanations from your own notes and slides.

Are Jack Westin MCAT Practice Questions Good?

Check whether MCAT question banks teach well, then generate custom questions from your own notes.

Are Kaplan MCAT Practice Questions Good?

Judge MCAT practice question quality, then make custom sets from your own notes.

Electrochemistry MCAT Practice Questions

Make MCAT electrochemistry questions from your notes, with explanations for each answer.

Frequently asked questions

Which MCAT biology topics should I drill first?

Start with the topics you miss most in full-length practice exams, then check your lowest-scoring content areas. Cell biology, genetics, metabolism and organ systems are common places where students lose points, so they are good places to begin.

How often should I practice MCAT biology questions?

A short, regular session is usually more effective than occasional long ones, because spaced review helps you remember content over time. Reviewing the explanations for missed questions matters as much as answering new ones.

Does DeckOwl include official Khan Academy questions?

No. DeckOwl generates questions from the notes, slides or PDFs you upload, and it is not affiliated with Khan Academy. The Khan Academy-style phrasing refers only to the format of the practice.

Can I export my MCAT biology questions?

The free plan lets you study in the browser without exports. Plus includes PDF, DOCX, Anki and CSV export, and Pro adds QTI 2.1 and Moodle XML export for course platforms.

Generate free quizzes

Keep exploring the topic

Review the main ideas visually or practice recalling them.