MCQ practice · SSC Biology Board questions · Chapter 7: Exchange of Gases
The position of the larynx:
- i. below the pharynx
- ii. above the trachea
- iii. in front of the oesophagus
Think it through first, then pick an option.
- a i and ii
- b i and iii
- c ii and iii
- d i, ii and iii
Answer and explanation
Correct answer: a i and ii
i is true: the larynx is below the pharynx. ii is true: the larynx is at the top of the trachea. iii is false: the book places the trachea, not the larynx, in front of the oesophagus.
Why the other options are wrong
- b i and iii: ii is true: the larynx is at the top of the trachea. iii is false: the book places the trachea, not the larynx, in front of the oesophagus.
- c ii and iii: i is true: the larynx is below the pharynx. iii is false: the book places the trachea, not the larynx, in front of the oesophagus.
- d i, ii and iii: iii is false: the book places the trachea, not the larynx, in front of the oesophagus.
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