When each tooth is embedded in a socket of jaw bone, then this type of attachment is called

1. Thecodont

2. Lophodont

3. Secodont

4. Solenodont

The undigested substance (faeces) enter into the ________ of large intestine through ________ valve which prevents backflow of faecal matter:

1. Caecum, ileo-caecal

2. Colon, ileo-colon valve

3. Rectum, Recto-colonic

4. Colon, pyloric valve

The portion of human stomach into which the oesophagus opens is the:-
1. Cardiac
2. Fundus
3. Corpus
4. Pylorus