1. The part of the tooth outside the socket of the jaw is known as the crown.   True   False   2. Which is not a part of the large intestine?   caecum   rectum   ileum   colon   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 is the largest organ in the human body?   large intestine   pancreas   small intestine   liver   Half-n-half Clue   5. The minute projections present in the small intestine are called cilia.   True   False   6. Which of the following prevents food from entering the trachea (wind pipe)?   epiglottis   larynx   glottis   pharynx   Half-n-half Clue   7. Which of the following is the common passage for the food eaten and the air breathed?   trachea   esophagus   pharynx   larynx   Half-n-half Clue