1. Gastric juice is secreted by   stomach   liver   small intestine   pancreas   Hint Half-n-half Clue   2. 'C' shaped rings of cartilage are present in the   Trachea   Esophagus   Ureter   Intestines   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. What is the name of the sac-like structure which stores urine?   Urinary Bladder   Ureter   Kidney   Stomach   Half-n-half Clue   5. True or false: Exchange of air takes place in the lungs.   True   False   6. 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   7. Bile is secreted by the   liver   gall bladder   pancreas   small intestine   Half-n-half Clue