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