1. The caecum (a part of the large intestine) has a projection called the vermiform appendix.   True   False   2. The part of the tooth inside the socket of the jaw is known as the _______.   crown   dentine   enamel   root   Hint Half-n-half Clue   3. How many teeth does an adult human being normally have?   16   20   30   32   Half-n-half Clue   4. Which of the following is the common passage for the food eaten and the air breathed?   esophagus   trachea   pharynx   larynx   Half-n-half Clue   5. There are _______ pairs of salivary glands present in the mouth.   2   3    4    6   Half-n-half Clue   6. The part of the tooth outside the socket of the jaw is known as the crown.   True   False   7. The stomach is lined with mucous membrane.   True   False