Biology · Human Anatomy and Physiology
Which structure prevents the backflow of stomach acid into the esophagus?
- 1Ileocecal valve
- 2Sphincter of Oddi
- 3Pyloric sphincter
- 4Lower esophageal sphincter✓
Correct answer
Lower esophageal sphincter
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Preparing for Biology?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Want more practice questions on Human Anatomy and Physiology?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Biology · Human Anatomy and Physiology