Consider the following statements regarding the constituents of the human tooth:
I. Enamel is the hardest part of the tooth and is secreted by the ameloblasts
II. Dentin does not contain collagen and is secreted by odontoblasts
III. Cementum is a bone-like substance secreted by cementoblasts
IV. Pulp is called as the “nerve” of the tooth
The incorrect statement/s is/are:

1. II alone
2. IV alone
3. II and IV only
4. I and III only

Lipases can be activated by:
1. HCl
2. Secretions of Brunner’s glands
3. Bile
4. Cholecystokinin

The submucosa of the wall of intestine is composed of:
1. Simple epithelium
2. Stratified epithelium
3. Connective tissue
4. Smooth muscles

Villi are supplied with a network of capillaries and a large lymph vessel called the:

The duct of gall bladder (cystic duct) along with the hepatic duct from the liver forms the:
1. Common hepatopancreatic duct
2. Duct of Rivinus
3. Wharton’s duct
4. Common bile duct

The gall bladder in humans:
1. Secretes bile
2. Releases bile into hepatic duct
3. Stores and concentrates bile
4. Secretes some lipase

The wall of alimentary canal from oesophagus to rectum possesses four layers. The correct sequence of these layers from the outermost to the inner most is:
1. Serosa, Muscularis, Submucosa, Mucosa
2. Mucosa, Submucosa, Muscularis, Serosa
3. Serosa, Muscularis, Mucosa, Submucosa
4. Mucosa, Muscularis, Submucosa, Serosa

About what percentage of starch is hydrolysed by salivary amylase into maltose?
1. 30 – 40
2. 50 – 60
3. 60 – 70
4. 90 – 100

Proteolytic enzymes found in stomach of an infant include:
I. Rennin
II. Pepsin
III. Tyrpsin

1. I and II only
2. I and III only
3. II and III only
4. I, II and III

Succus entericus contains all the following except:
1. disaccharidases
2. dipeptidases
3. lipases
4. nucleases