1. 'C' shaped rings of cartilage are present in the   Trachea   Esophagus   Ureter   Intestines   Hint Half-n-half Clue   2. Food descends from the mouth to the stomach through the   esophagus   larynx   small intestine   trachea   Half-n-half Clue   3. Larger dust particles in the inhaled air are trapped in the   nose   pharynx   epiglottis   larynx   Half-n-half Clue   4. Epiglottis guards the opening of larynx into pharynx.   True   False   5. Which type of teeth are used for tearing the food?   Canines   Molars   Premolars   Incisors   Half-n-half Clue   6. Voice box is the name given to the   larynx   trachea   pharynx   oral cavity   Half-n-half Clue   7. Which of the following helps in digestion? A. Pancreatic juice B. Saliva C. Bile D. All of these   A   B    C   D   Half-n-half Clue