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  9. Q65

RRB Technician (Grade I Signal + Grade III) 2026 · Question 65 of 265

Where in the body would you expect to find a single layer of extremely thin, flat epithelial cells designed for the transport of substances (gases) across a delicate lining?

  1. ALining of kidney tubules, for mechanical support
  2. BInner lining of the intestine, for absorption
  3. CLining of lung alveoli, for gas exchangeCorrect
  4. DSkin, to prevent wear and tear

Answer: C. Lining of lung alveoli, for gas exchange

Official answer key verified. Detailed explanation coming soon.

Source: RRB Technician Grade III 06-Mar-2026 Shift 2 (oliveboard compilation with answer key) · reliable-secondary

← Q64View full paper (265 questions)Q66 →

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