1. How many teeth does an adult human being normally have?   16   20   30   32   Hint Half-n-half Clue   2. A tooth is made up of a solid bony tissue known as _______.   root   dentine   enamel   crown   Half-n-half Clue   3. Which is not a part of the small intestine?   ileum   duodenum   caecum   jejunum   Half-n-half Clue   4. Which is not a part of the large intestine?   ileum   colon   caecum   rectum   Half-n-half Clue   5. The caecum (a part of the large intestine) has a projection called the vermiform appendix.   True   False   6. There are _______ pairs of salivary glands present in the mouth.   2   3    4    6   Half-n-half Clue   7. The surface of the crown of the tooth is covered with a strong protective layer known as the _______.   dentine   enamel   cavity   root   Half-n-half Clue