Q. No.
Our teeth are
1. Acrodont and homodont
2. Homodont and polyphyodont
3. Thecodont, diphyodont and heterodont
4. Acrodont, homodont and polyphyodont
Which of the following is connected to the floor of the oral cavity by the frenulum?
| 1. oesophagus | 2. muscles of mastication |
| 3. lips | 4. tongue |
| 1. epiglottis | 2. uvula |
| 3. frenulum | 4. adenoids |
What regulates the opening of oesophagus into the stomach?
1. A membranous valve
2. A muscular sphincter
3. A mesodermal septum
4. A cartilaginous flap
The opening of the stomach into the duodenum is guarded by:
1. Cardiac sphincter
2. Sphincter of Oddi
3. Pyloric sphincter
4. Ileocaecal sphincter
Which layer in the wall of the gastrointestinal tract has an inner circular and outer longitudinal layer?
| 1. lamina propria | 2. muscularis mucosa |
| 3. submucosa | 4. muscularis |
An innermost oblique muscle layer is present in the wall of:
| 1. Oesophagus | 2. Stomach |
| 3. Ascending colon | 4. Rectum |
The term brush border refers to:
| 1. ciliated epithelium | 2. transitional epithelium |
| 3. microvilli | 4. villi |
Villi are supplied with a network of capillaries and a large lymph vessel called the:
| 1. Portal vessel | 2. Lacteal |
| 3. Thoracic duct | 4. Cisterna chyli |
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