G.K. Questions - Mouth and its Parts

1. What is the number of deciduous teeth in human beings?

  1. 20
  2. 16
  3. 22
  4. 14

2. Tongue is attached to the floor of the mouth by –

  1. sublingual papilla
  2. uvula
  3. lingual frenum
  4. labial frenum

3. Mandible is the other name for which of the following parts?

  1. upper jaw
  2. lower jaw
  3. tongue
  4. gums

4. Which are the largest salivary glands?

  1. Parotid
  2. Sublingual
  3. Submandibular
  4. All are of same size

5. Which of these enzymes is present in saliva?

  1. Pepsin
  2. Trypsin
  3. Maltase
  4. Lysozyme

6. Which of the following is also known as the maxilla?

  1. lower jaw
  2. upper jaw
  3. tonsils
  4. lips

7. Which type of teeth are used to grind food?

  1. Molars
  2. Incisors
  3. Canines
  4. Premolars

8. Which of the following prevents the food from going into the nose?

  1. tonsils
  2. gingival
  3. Uvula
  4. tongue

9. Which of the following prevents the food from entering the trachea?

  1. Frenum
  2. Papilla
  3. Uvula
  4. Epiglottis

10. How many wisdom teeth does an adult generally have?

  1. 2
  2. 4
  3. 6
  4. 8

11. The oral cavity is also known as the –

  1. Buccal cavity
  2. cranial cavity
  3. thoracic cavity
  4. pleural cavity


12. The total number of molars in the mouth of a human being is –

  1. Six
  2. Eight
  3. Ten
  4. Twelve

13. The number of incisors in a human being is –

  1. Eight
  2. Six
  3. Four
  4. Two


14. The function of the enzyme lysozyme is –

  1. to kill bacteria
  2. to digest carbohydrate
  3. to digest protein
  4. to digest fat

15. Genioglossus is a muscle found in the –

  1. cheeks
  2. lower jaw
  3. tongue
  4. throat

16. What is the number of premolars in the mouth?

  1. 12
  2. 8
  3. 10
  4. 6

17. Which type of teeth is also known as cuspid?

  1. Canine
  2. Incisor
  3. Premolar
  4. Molar

18. Which tonsils are visible through the open mouth?

  1. Lingual
  2. Pharyngeal
  3. Adenoid
  4. Palatine

19. Function of which of the following is to kill germs and help to prevent throat and lung infections?

  1. Uvula
  2. Palate
  3. Tonsils
  4. Tongue


20. Which of the following diseases is not related to mouth?

  1. Gingivitis
  2. Halitosis
  3. Thrush
  4. Gout

21. How many major pairs of salivary glands do humans have?

  1. One
  2. Two
  3. Three
  4. Four