Resistance: 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.

Try it

Microbiology · Resistance

Sample item

What enzyme confers common beta-lactam resistance?

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

The answer and the reasoning

B. Beta-lactamase

This item reviews Resistance; Beta-lactamase is the best answer because it directly matches the drug or organism pattern described.

Option by option

  • A. Catalase

    Catalase does not fit the stated mechanism or pattern.

  • B. Beta-lactamase (correct)

    Correct. Beta-lactamase is supported by the defining feature.

  • C. Coagulase

    Coagulase is plausible but is not the best answer here.

  • D. Urease

    Urease is not supported by the key finding.

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 B, Beta-lactamase. This item reviews Resistance; Beta-lactamase is the best answer because it directly matches the drug or organism pattern described.

Why is "Catalase" not the answer?

Catalase does not fit the stated mechanism or pattern.

Why is "Coagulase" not the answer?

Coagulase is plausible but is not the best answer here.

Why is "Urease" not the answer?

Urease is not supported by the key finding.

What concept does this question test?

It tests Resistance in Microbiology. The correct option holds because: Correct. Beta-lactamase is supported by the defining feature.

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 Resistance?

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.