Option (3) is the answer of this question because correct match is A-III, B-I, C-IV, D-II. Option (1), (2) and (4) are incorrect because they are not correctly matched. Residual volume - Volume of air remaining in lungs after forcible expiration. Vital capacity - Maximum volume of air that can be breathed in after forced expiration. Expiratory Capacity - Total volume of air expired after normal inspiration. Tidal volume - Volume of air inspired or expired during normal respiration.