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  9. Q340

RRB Technician (Grade I Signal + Grade III) 2024 · Question 340 of 1214

In human beings, air is taken into the body through the nostrils and from here the air passes through the throat and into the lungs. Which of the following ensures that the air-passage does NOT collapse in the throat?

best-effort

  1. ARings of cartilageCorrect
  2. BNostrils large hairs
  3. CSize of mouth cavity
  4. DNostrils large pores

Answer: A. Rings of cartilage

Official answer key verified. Detailed explanation coming soon.

Source: RRB Technician Grade 3 GK Questions: 24 Dec Shift 1 (9:00 AM - 10:30 AM) (testpaper.org compilation) · memory-based

← Q339View full paper (1214 questions)Q341 →

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