67.In which of the following animals, digestive tract has additional Chambers like crop and gizzard? A. Bufo, Balaenoptera, Bangarus B. Catla, Columba, Crocodilus C. Pavo, Psittacula, Corvus D. Corvus, Columba, Chameleon
Option C The digestive system of most of the aves consists of the pharynx, oesophagus, crop, proventriculus, gizzard, small intestine and large intestine. Proventriculus and gizzard are parts of the stomach. From the oesophagus, food passes into the crop. It then moves into the gizzard.
