Q. No.
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Our teeth are
1. Acrodont and homodont
2. Homodont and polyphyodont
3. Thecodont, diphyodont and heterodont
4. Acrodont, homodont and polyphyodont
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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 |
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| A | B | C | D | |
| 1. | Enamel | Dentin | Pulp | Cementum |
| 2. | Dentin | Enamel | Pulp | Cementum |
| 3. | Cementum | Dentin | Pulp | Enamel |
| 4. | Enamel | Pulp | Dentin | Cementum |
| 1. epiglottis | 2. uvula |
| 3. frenulum | 4. adenoids |
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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
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The anatomic region of the stomach where the oesophagus opens into is:
1. cardiac
2. pyloric
3. fundus
4. corpus
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Series of ridges produced by folding of the wall of an organ such as seen in the stomach are called:
1. taenia coli
2. rugae
3. plicae circulares
4. crypts
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The opening of the stomach into the duodenum is guarded by:
1. Cardiac sphincter
2. Sphincter of Oddi
3. Pyloric sphincter
4. Ileocaecal sphincter
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Assertion: In animals, chemical digestion is necessary.
Reason: Mechanical digestion, typically, precedes chemical digestion, increasing the surface area for chemical digestion.
1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false.
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
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