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.

Try it

Microbiology · Bacteriology

Sample item

What feature helps Staphylococcus aureus evade phagocytosis?

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

The answer and the reasoning

D. Protein A

The key Bacteriology principle identifies Protein A as the best answer because it most directly accounts for the mechanism, use, or laboratory finding described.

Option by option

  • A. Endospore only

    Endospore only may have another clinical role but is not supported by this clue.

  • B. Capsule of India ink

    Capsule of India ink does not fit the stated bacteriology relationship.

  • C. Flagellar toxin

    Flagellar toxin is inconsistent with the requested mechanism or identification.

  • D. Protein A (correct)

    Correct. Protein A 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, Protein A. The key Bacteriology principle identifies Protein A as the best answer because it most directly accounts for the mechanism, use, or laboratory finding described.

Why is "Endospore only" not the answer?

Endospore only may have another clinical role but is not supported by this clue.

Why is "Capsule of India ink" not the answer?

Capsule of India ink does not fit the stated bacteriology relationship.

Why is "Flagellar toxin" not the answer?

Flagellar toxin 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. Protein A 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.