Bacteriology: practice question

A Microbiology question in the style of the NEET PG paper. Answer it first, then read why the right option is right and why each of the others is wrong.

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Microbiology · Bacteriology

Sample item

What laboratory test detects catalase production?

Original practice item, not a recalled exam question. Nothing here is recorded.

The answer and the reasoning

D. Bubble formation with hydrogen peroxide

The key Bacteriology principle identifies Bubble formation with hydrogen peroxide as the best answer because it most directly accounts for the mechanism, use, or laboratory finding described.

Option by option

  • A. Color change with iodine

    Color change with iodine does not fit the stated bacteriology relationship.

  • B. Agglutination with latex only

    Agglutination with latex only may have another clinical role but is not supported by this clue.

  • C. Growth on chocolate agar only

    Growth on chocolate agar only is inconsistent with the requested mechanism or identification.

  • D. Bubble formation with hydrogen peroxide (correct)

    Correct. Bubble formation with hydrogen peroxide matches the decisive principle in this item.

Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.

More Microbiology questions

Questions about this Microbiology question

What is the answer to this Microbiology question?

The best answer is D, Bubble formation with hydrogen peroxide. The key Bacteriology principle identifies Bubble formation with hydrogen peroxide as the best answer because it most directly accounts for the mechanism, use, or laboratory finding described.

Why is "Color change with iodine" not the answer?

Color change with iodine does not fit the stated bacteriology relationship.

Why is "Agglutination with latex only" not the answer?

Agglutination with latex only may have another clinical role but is not supported by this clue.

Why is "Growth on chocolate agar only" not the answer?

Growth on chocolate agar only is inconsistent with the requested mechanism or identification.

What concept does this question test?

It tests Bacteriology in Microbiology. The correct option holds because: Correct. Bubble formation with hydrogen peroxide matches the decisive principle in this item.

How hard is this question?

We tag it as an application question: it asks you to use a fact on a patient or a finding. The tag is our own editorial judgement, not an official difficulty rating, so read the reason for every option, not only the answer.

How should I study Bacteriology?

Make a one-line identity card for each organism: shape and stain, defining test, toxin, disease and drug. Then use the flashcards and the other Microbiology questions on this site to test what stuck.

Is this a real NEET PG question?

No. It is an original practice item (editorial status: sample, version 1). NextPrep does not publish recalled or leaked questions, and independent faculty review of this item has not been completed yet, so confirm important facts in a standard textbook.