NEET UG 2023 · Zoology · Question 162

NEET 2023 Zoology, question 162

Question 162 of the NEET 2023 paper (code G6) is a Zoology question from Digestion and Absorption. Its idea, Ileo-Caecal Valve Function, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 3.

Updated 2026-10-08

Q162 · Zoology

Once the undigested and unabsorbed substances enter the caecum, their backflow is prevented by-

1 Pyloric sphincter 2 Sphincter of Oddi 3 Ileo - caecal valve Official answer 4 Gastro - oesophageal sphincter

Official answer: option 3 · NTA final answer key

Same idea

The only question on Ileo-Caecal Valve Function

No other NEET paper from 2017–2026 tested this exact idea.

Ileo-Caecal Valve Function: 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. Nutrient Absorption alone had 2.

Chapter analysis

The only question on Ileo-Caecal Valve Function

Digestion and Absorption in ten years of NEET

Digestion and Absorption: questions per paper