Vitamins: practice question

A Biochemistry 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.

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Biochemistry · Vitamins

Sample item

What deficiency is associated with megaloblastic anemia and neurologic signs?

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

The answer and the reasoning

D. Vitamin B12

The defining Vitamins relationship supports Vitamin B12; it is the option that most directly explains the biochemical pathway or pathological process in the stem.

Option by option

  • A. Riboflavin

    Riboflavin does not account for the central finding in this item.

  • B. Vitamin C

    Vitamin C does not match the stated vitamins mechanism.

  • C. Vitamin K

    Vitamin K is relevant in a different context but is not supported here.

  • D. Vitamin B12 (correct)

    Correct. Vitamin B12 is the appropriate conclusion from the key feature.

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 Biochemistry questions

Questions about this Biochemistry question

What is the answer to this Biochemistry question?

The best answer is D, Vitamin B12. The defining Vitamins relationship supports Vitamin B12; it is the option that most directly explains the biochemical pathway or pathological process in the stem.

Why is "Riboflavin" not the answer?

Riboflavin does not account for the central finding in this item.

Why is "Vitamin C" not the answer?

Vitamin C does not match the stated vitamins mechanism.

Why is "Vitamin K" not the answer?

Vitamin K is relevant in a different context but is not supported here.

What concept does this question test?

It tests Vitamins in Biochemistry. The correct option holds because: Correct. Vitamin B12 is the appropriate conclusion from the key 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 Vitamins?

Build one table of enzyme deficiency, disease, inheritance and key finding, then revise it by spaced recall. Then use the flashcards and the other Biochemistry 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.