(C) The correct answer is $C$. In humans,the type of attachment where each tooth is embedded in a socket of the jawbone is called 'thecodont',not 'dip

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Each tooth is embedded in a socket of the jawbone. This type of attachment is called diphyodont.

(C) The correct answer is $C$. In humans,the type of attachment where each tooth is embedded in a socket of the jawbone is called 'thecodont',not 'diphyodont'. 'Diphyodont' refers to the formation of two sets of teeth during a lifetime (milk teeth and permanent teeth). Therefore,the statement in option $C$ is scientifically incorrect.

Class 11 Biology Digestion and Absorption Digestive system

Medium

Which of the following statements is inappropriate?

A
The majority of mammals,including human beings,form two sets of teeth during their life: a set of temporary milk or deciduous teeth and a set of permanent or adult teeth.
B
The oral cavity leads into the pharynx,which serves as a common passage for food and air.
C
Each tooth is embedded in a socket of the jawbone. This type of attachment is called diphyodont.
D
The hard chewing surface of the teeth is made up of enamel.