The pH of the digestive juices within the human small intestine is between 7.5 and 8.5. The environment is slightly

(1) basic

(2) acidic

(3) neutral

(4) None of these

Which of the following components of our food are taken in small quantities?

(1) Carbohydrate and proteins

(2) Proteins and minerals

(3) Proteins and lipids                           

(4) Minerals and vitamins

Our teeth are:

(1) Acrodont and homodont                  

(2) Homodont and polyphyodont

(3) Thecodont, diphyodont and heterodont

(4) Acrodont, homodont and polyphyodont

Frenulum is:

(1) Adenoid present on pharyngeal wall

(2) Tonsils located on lateral wall of soft palate

(3) Fold attaching tongue to the floor of oral cavity

(4) V-shaped sulcus for terminalis on tongue

The hard chewing surface of teeth helping in mastication of food is called:

(1) Dentine

(2) Frenulum

(3) Root

(4) Enamel

The oesophagus and trachea (wind pipe) open into:

(1) Gullet

(2) Glottis

(3) Larynx

(4) Pharynx

Our stomach is:

(1) U-shaped

(2) J-shaped

(3) C-shaped

(4) Rod-shaped

A muscular sphincter regulating opening of oesophagus into the stomach is called:

(1) Pyloric sphincter

(2) Cardiac Sphincter

(3) Sphincter of oddi

(4) Boyden sphincter

The narrow distal part of stomach leading to the intestine is called:

(1) Cardiac

(2) Pyloric

(3) Fundus

(4) None of these

Small intestine is distinguishable into 3 parts, a 'C' shaped ________ a long coiled middle portion _________ and a highly coiled:

(1) Ileum, jejunum, duodenum

(2) Duodenum, Jejunum, ilium

(3) Duodenum, jejunum, ileum

(4) Caecum, duodenum, ileum