1. Which is the largest organ in the human body?   pancreas   liver   large intestine   small intestine   Hint Half-n-half Clue   2. There are _______ pairs of salivary glands present in the mouth.   2   3    4    6   Half-n-half Clue   3. A tooth is made up of a solid bony tissue known as _______.   enamel   root   crown   dentine   Half-n-half Clue   4. Which of the following prevents food from entering the trachea (wind pipe)?   glottis   larynx   pharynx   epiglottis   Half-n-half Clue   5. The stomach is lined with mucous membrane.   True   False   6. The part of the tooth outside the socket of the jaw is known as the crown.   True   False   7. Which of the following is the common passage for the food eaten and the air breathed?   esophagus   trachea   pharynx   larynx   Half-n-half Clue