NEET UG 2018 · Zoology · Question 172
NEET 2018 Zoology, question 172
Question 172 of the NEET 2018 paper (code AA) is a Zoology question from Digestion and Absorption. Its idea, Thecodont, Diphyodont and Heterodont Dentition, was asked only this once in NEET 2017–2026. The CBSE official answer key gives option 2.
Updated 2026-10-08
Q172 · Zoology
Which of the following terms describe human dentition ?
- 1Pleurodont, Monophyodont, Homodont
- 2Thecodont, Diphyodont, HeterodontOfficial answer
- 3Thecodont, Diphyodont, Homodont
- 4Pleurodont, Diphyodont, Heterodont
Official answer: option 2 · CBSE official answer key
Same idea
The only question on Thecodont, Diphyodont and Heterodont Dentition
No other NEET paper from 2017–2026 tested this exact idea.
Thecodont, Diphyodont and Heterodont Dentition: every question and how it was framed
The chapter
Digestion and Absorption in ten years of NEET
15 questions from 2017–2026, asked in 7 of 10 papers, about 1.4 a paper. Digestive Enzymes alone had 13.