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PetriKey

Quiz

Test yourself, 5 ways.

212 questions across clue, organism, lab, case, and confusing-pair modes. A fresh 10-question round is free every day - Premium unlocks unlimited practice.

Free daily round · a fresh 10 questions every day

Confusing pairs

Question 1 of 10 · score 0

Which infectious agent lacks nucleic acid and propagates by templating misfolding of a normal cellular protein, causing spongiform encephalopathy?

Frequently asked questions

How many microbiology quiz questions are there?

There are 212 questions across clue, organism, lab, case, and confusing-pair modes. A 10-question round is free every day, and Premium unlocks unlimited practice in every mode.

Is the free daily quiz different every day?

Yes. The free round advances by a whole 10-question block each day, so today's questions do not repeat yesterday's.

What do the quiz modes cover?

The 5 modes cover clue, organism, lab, case, and confusing-pair. Each question shows an explanation after you answer, so a wrong answer teaches the distinguishing feature rather than just marking you down.

Do I need an account to use the quiz?

No. The quiz runs entirely in your browser and needs no sign-up. Your progress is saved on the device you use it on.