What do we call the type of teeth attachment to jaw bones in which each tooth is embedded in a socket of jaw bones?

Choose the incorrect statement regarding the human digestive system with reference to a normal person.

The crown of the teeth is covered by:

Where do certain symbiotic microorganisms normally occur in the human body?

$A$ baby boy aged two years is admitted to play school and undergoes a dental check-up. The dentist observed that the boy had twenty teeth. Which teeth were absent?

Where is food stored in the digestive tract of a peacock?