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MHT CET 202625 AprilEvening Shift
Exam
MHT CET
Year
2026
Date
25 April
Shift
Evening Shift
Subject
Biology
Chapter
Breathing and Exchange of Gases

MHT CET 2026 · 25 April · Evening Shift · Biology · Breathing and Exchange of Gases

In the given diagram, what should be P, Q, R and S respectively?

In the given diagram, what should be P, Q, R and S respectively?
In the given diagram, what should be P, Q, R and S respectively?

Options

  1. AHyoid bone, Thyroid cartilage, Epiglottis, Trachea
  2. BEpiglottis, Cricoid cartilage, Hyoid bone, Trachea
  3. CEpiglottis, Larynx, Hyoid bone, Bronchus
  4. DThyroid cartilage, Cricoid cartilage, Epiglottis, Trachea

Correct answer

A. Hyoid bone, Thyroid cartilage, Epiglottis, Trachea

Step-by-step solution

Based on the anatomical structure of the human respiratory system shown in the diagram:

P points to the U-shaped bone located above the larynx, which is the hyoid bone.

Q points to the large, shield-shaped cartilage forming the anterior wall of the larynx (often called the Adam's apple), which is the thyroid cartilage.

R points to the leaf-shaped cartilaginous flap that covers the glottis during swallowing, which is the epiglottis.

S points to the tube extending downwards from the larynx, supported by C-shaped cartilaginous rings, which is the trachea.

Therefore, P, Q, R, and S are Hyoid bone, Thyroid cartilage, Epiglottis, and Trachea respectively.

Answer: Hyoid bone, Thyroid cartilage, Epiglottis, Trachea
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