KCET2026BiologyStructural Organisation in Animals
Find the incorrect statement among the following with respect to digestive system of frog.
Options
- AFood is captured by a bilobed tongue.
- BOesophagus is a long tube that opens into the stomach and continues as intestine.
- CLiver secretes bile that is stored in gall bladder.
- DThe undigested solid waste moves into rectum and passes out through cloaca.
Correct answer
B. Oesophagus is a long tube that opens into the stomach and continues as intestine.
Step-by-step solution
The alimentary canal of a frog is short because frogs are carnivores, which reduces the length of the intestine. The mouth opens into the buccal cavity that leads to the oesophagus through the pharynx. The oesophagus is a short tube, not a long tube, that opens into the stomach. The stomach continues as the intestine, rectum, and finally opens outside by the cloaca. Food is captured by a bilobed tongue. The liver secretes bile that is stored in the gall bladder. Undigested solid waste moves into the rectum and pass