Option A is wrong because it is a fact. Each nasal cavity is not subdivided into 1 passageway.

Option B is wrong because each nasal cavity is not sub-divided into 2 passageways.

Option: C

Each nasal cavity is subdivided into three passageways by the projections of bones from the wall of the internal nose.

PTB XI Chap # 13 page # 267

The nasal cavity is divided into vestibule, respiratory and olfactory sections.

(Fact) Option D is wrong because each nasal cavity is subdivided into 3 passageways instead of 4

This option is wrong because it is a fact. Each nasal cavity is not subdivided into 1 passageway. Each nasal cavity is subdivided into three passageways by the projections of bones from the wall of the internal nose. The nasal cavity is divided into vestibule, respiratory and olfactory sections

This option is wrong because each nasal cavity is not sub-divided into 2 passage ways. Each nasal cavity is subdivided into three passageways by the projections of bones from the wall of the internal nose. The nasal cavity is divided into vestibule, respiratory and olfactory sections

Each nasal cavity is subdivided into three passageways by the projections of bones from the wall of the internal nose. The nasal cavity is divided into vestibule, respiratory and olfactory sections.

This option is incorrect is wrong because each nasal cavity is sub divided into 3 passage ways instead of 4.