Read the following carefully:
1)	Spheno-occipital synchondrosis
2)	Mandibular condyle
3)	Frontomaxillary suture
4)	Nasal septum
5)	Alveolar processs
Which of the following are sites of cartilaginous growth postnatally?
The spheno-occipital synchondrosis, mandibular condyle, nasal septum are components of the cartilaginous growth. 
Nasal septum and alveolar bone are not cartilaginous type of bone.
1 & 2
1, 2 & 4
2, 3 & 5
3 & 5