Virology: 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 · Virology

Sample item

What is required for viruses to replicate?

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

The answer and the reasoning

D. A living host cell

The key Virology principle identifies A living host cell as the best answer because it most directly accounts for the mechanism, use, or laboratory finding described.

Option by option

  • A. Plain nutrient agar only

    Plain nutrient agar only does not fit the stated virology relationship.

  • B. An antibiotic medium

    An antibiotic medium is inconsistent with the requested mechanism or identification.

  • C. Sunlight alone

    Sunlight alone may have another clinical role but is not supported by this clue.

  • D. A living host cell (correct)

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

Why is "Plain nutrient agar only" not the answer?

Plain nutrient agar only does not fit the stated virology relationship.

Why is "An antibiotic medium" not the answer?

An antibiotic medium is inconsistent with the requested mechanism or identification.

Why is "Sunlight alone" not the answer?

Sunlight alone may have another clinical role but is not supported by this clue.

What concept does this question test?

It tests Virology in Microbiology. The correct option holds because: Correct. A living host cell 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 Virology?

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.