1. The minute projections present in the small intestine are called cilia.   True   False   2. How many teeth does an adult human being normally have?   16   20   30   32   Hint Half-n-half Clue   3. The surface of the crown of the tooth is covered with a strong protective layer known as the _______.   root   dentine   enamel   cavity   Half-n-half Clue   4. Which is the largest organ in the human body?   pancreas   liver   large intestine   small intestine   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. Which is not a part of the small intestine?   caecum   duodenum   jejunum   ileum   Half-n-half Clue