1. Which process does not occur in the nasal cavity? A. Trapping of large foreign bodies B. Exchange of gases C. Humidification of inhaled air D. Warming of inhaled air   A   B   C   D   Hint Half-n-half Clue   2. What is the leaf-like structure which prevents the entry of food into respiratory passages?   Larynx   Epiglottis   Tongue   Pharynx   Half-n-half Clue   3. Which part of the respiratory tract is also known as the voice box?   Trachea   Epiglottis   Larynx   Pharynx   Half-n-half Clue   4. Which cells of the blood carry oxygen to different parts of the body?   Red blood cells   True   B   Epiglottis   Half-n-half Clue   5. Identify diaphragm in this diagram.   B   C   D   E   Half-n-half Clue   6. Normal rate of respiration in an adult human being is _______ times/ minute. A. 10-12 B. 12-14 C. 16-18 D. 22-24   A   B   C   D   Half-n-half Clue   7. Complete the equation: Glucose + Oxygen = _______ + Water + CO2   Energy   None of these   Sucrose   Starch   Half-n-half Clue