Sample question
Lecture 6 · Cellular respiration
Which organelle produces most of a cell’s ATP?
BMitochondrion
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Sample question
Lecture 6 · Cellular respiration
Question 3 of 10
Correct!
Mitochondria use cellular respiration to convert energy from nutrients into ATP.
Most of the cell’s ATP is generated by oxidative phosphorylation in mitochondria.
Wrong answers you’d actually consider. Every distractor is a real organelle from the same lecture, so guessing does not work.
A reason, not just a verdict. Each answer explains why it is right, so a miss turns into something you learned.
Traceable to your material. Where a passage backs the answer, we quote it word for word from your own file.
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The run-up
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The first round shows what you actually know
Redrill only the questions you keep missing
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The ones you keep getting wrong
Across every set for this paper
3 topics still shaky
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10 exam-style questions with wrong answers that are genuinely tempting, screened so the giveaways never reach you.

Score yourself, redrill what you missed, and go into the exam knowing which topics are solid.

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Good enough to catch you out, which is the point. Every wrong answer has to be something a half-prepared student would plausibly pick, and each set is screened before you see it for the tells that let people score without knowing the material: an answer that gives itself away by being the longest, options that repeat each other, and "all of the above". Anything that still reads wrong to you can be flagged in one tap.
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