1. The part of the tooth inside the socket of the jaw is known as the _______.   enamel   root   crown   dentine   Hint Half-n-half Clue   2. The surface of the crown of the tooth is covered with a strong protective layer known as the _______.   cavity   enamel   dentine   root   Half-n-half Clue   3. The part of the tooth outside the socket of the jaw is known as the crown.   True   False   4. The minute projections present in the small intestine are called cilia.   True   False   5. The caecum (a part of the large intestine) has a projection called the vermiform appendix.   True   False   6. A tooth is made up of a solid bony tissue known as _______.   dentine   crown   enamel   root   Half-n-half Clue   7. Which is not a part of the small intestine?   ileum   caecum   duodenum   jejunum   Half-n-half Clue