1. Vitamin B₁₂ 2. Vitamin B₆ 3. Vitamin B₁ 4. Vitamin B₂

Topic: Vitamins· Biomolecules

The RBC deficiency is deficiency disease of :

1. Vitamin \(B_{12}\)

2. Vitamin \(B_6\)

3. Vitamin \(B_1\)

4. Vitamin \(B_2\)

Doubtly Asked 30 Oct 2026 NEET UG 2021 Practice test neet Save WhatsApp Report

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Answer: 1. Vitamin \(B_{12}\)

Key idea: vitamin \(\mathrm{B_{12}}\) is needed for red blood cell formation.

Its deficiency causes pernicious anaemia (reduced RBCs). Deficiency of \(\mathrm{B_6}\) causes convulsions, \(\mathrm{B_1}\) causes beri-beri, and \(\mathrm{B_2}\) causes cheilosis.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

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The RBC deficiency is deficiency disease of :

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