Question

Find the odd one out from each group and justify. 

1. Cardiac, Villi, Fundic, Pyloric

2. Duodenum, Jejunum, ileum, villi 

3. Parotid, gastric, sublingual, submaxillary

Answer 1

1. Villi: 

Cardiac, fundic and pyloric are the three major parts of stomach. But villi are small finger like foldings in the intestine. 

2. Villi: 

Duodenum, jejunum and ileum are three regions of intestine but villi are small finger like foldings inside the intestine. 

3. Gastric: 

Parotid, Sublingual and submaxillary are three pairs of salivary gland produce saliva. But gastric gland is stomach gland produce gastric juice.