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 helps bacteria adhere to host surfaces?

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

The answer and the reasoning

C. Fimbriae

Fimbriae are surface appendages that help many bacteria adhere to host tissues, an important first step in colonization.

Option by option

  • A. Nucleoid only

    Nucleoid contains DNA.

  • B. Ribosomes

    Ribosomes synthesize protein.

  • C. Fimbriae (correct)

    Correct: fimbriae mediate adhesion.

  • D. Flagella only

    Flagella mainly support motility.

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 C, Fimbriae. Fimbriae are surface appendages that help many bacteria adhere to host tissues, an important first step in colonization.

Why is "Nucleoid only" not the answer?

Nucleoid contains DNA.

Why is "Ribosomes" not the answer?

Ribosomes synthesize protein.

Why is "Flagella only" not the answer?

Flagella mainly support motility.

What concept does this question test?

It tests Bacteriology in Microbiology. The correct option holds because: Correct: fimbriae mediate adhesion.

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.