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 structure enables motility in many bacteria?

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

The answer and the reasoning

D. Flagellum

The central Bacteriology concept identifies Flagellum as the best answer because it directly explains the mechanism, indication, adverse effect, or organism feature described.

Option by option

  • A. Cell wall

    Cell wall has another context but is not the most appropriate answer here.

  • B. Capsule

    Capsule does not fit the stated bacteriology relationship.

  • C. Ribosome

    Ribosome is unsupported by the mechanism or clinical clue in the stem.

  • D. Flagellum (correct)

    Correct. Flagellum matches the decisive point in this scenario.

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, Flagellum. The central Bacteriology concept identifies Flagellum as the best answer because it directly explains the mechanism, indication, adverse effect, or organism feature described.

Why is "Cell wall" not the answer?

Cell wall has another context but is not the most appropriate answer here.

Why is "Capsule" not the answer?

Capsule does not fit the stated bacteriology relationship.

Why is "Ribosome" not the answer?

Ribosome is unsupported by the mechanism or clinical clue in the stem.

What concept does this question test?

It tests Bacteriology in Microbiology. The correct option holds because: Correct. Flagellum matches the decisive point in this scenario.

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.