১.Inferior meatus of the nose receives the opening of-
- ক
Sphenoidal air sinus
- খ
Maxillary sinus
- গ
Posterior ethmoidal air sinus
- ঘ
Nasolacrimal duct
২.Which paranasal sinus is the first to develop?
- ক
Frontal sinus
- খ
Ethmoidal sinus
- গ
Maxillary sinus
- ঘ
Sphenoidal sinus
৩.All of these arteries forms anastomosis in the little's area of the nose except-
- ক
Sphenopalatine artery
- খ
Superior labial artery
- গ
Greater palatine artery
- ঘ
Posterior ethmoidal artery
৪.The maxillary sinus drains into the-
- ক
Sphenoethmoidal recess
- খ
Middle meatus
- গ
Superior meatus
- ঘ
Inferior meatus