Q. The given schematic diagram diepicts heterodont teeth and its thecodont arrangement. Find the correct labelling for $A$-$D$ from the options given below

A) A-Incisor, B-Canine, C-Premolar, D-Molar
B) A-Molar, B-Premolar, C-Canine, D-Incisor
C) A-Incisors, B-Premolar, C-Canine, D-Molar
D) A-Molar, B-Premolar, C-Incisor, D-Canine
Explanation

A-Molar, B-Premolar, C-Canine, D-Incisor. Incisors teeth have chisel like edge thus, also called as cutting teeth, while canines are pointed and lies behind the cutting teeth. They are used for cutting and tearing. Premolar and molars are called check teeth. They are broad and are used to crush the food. Third molar of human being is called wisdom teeth

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.