alleryThe opening of the oesophagus into the stomach is guarded by a:
APapilla
BFrenulum
CSphincter
DEpiglottis
Answer & Solution
Correct answer: C. Sphincter
1. A ring of muscle controls the passage at this point.
2. It is named for the two parts it joins.
3. It is the gastro-oesophageal sphincter.
_Source: syllabus Biology, Chapter 16, Digestion and Absorption._
Keep practising Digestion Absorption
Browse all Digestion Absorption questions for NEET UG, or explore more Biology topics.
Related questions
Which pancreatic hormone is released when blood sugar is low?Maltase, lactase and sucrase belong to which group of enzymes?Which contractions mix chyme and move it slowly in the small intestine, allowing more absoWhy do gastric glands secrete mucus in the stomach?Which two parts of the pharynx are involved in the digestive system?Which of these is an accessory digestive organ rather than part of the GI tract?A protist parasite confined to the lumen of the small intestine causes which disease?Ulcerative colitis is restricted to which parts of the gut?