The vitamin nicotinamide can be synthesized in our body from

1. tyrosine	2. tryptophan
3. valine	4. phenylalanine

Excessive stimulation of vagus nerve in humans may lead to:
1. hoarse voice
2. peptic ulcers
3. efficient digestion of proteins
4. irregular contractions of diaphragm.

Which one of the following pairs of the kind of cells and their secretion is correctly matched?
1. Oxyntic cells --- a secretion with pH between 2.0 and 3.0
2. Alpha cells of islets of Langerhans ---- secretion that decreases blood sugar level
3. Kupffer cells --- a digestive enzyme that hydrolyses nucleic acids
4. Sebaceous glands --- a secretion that evaporates for cooling

Match each item in Column I with one item in Column II and chose your answer from the codes given below:
Column I             Column II
I. Gastrin           1. Gall bladder contraction
II. CCK              2. Increased HCl secretion
III. Secretin       3. Bicarbonate secretion from pancreas
IV. GIP              4. Decreased stomach motility

Codes:
I II III IV
A. 1 2 3 4
B. 2 1 4 3
C. 2 1 3 4
D. 1 2 4 3

Match each item in Column I with one item in Column II and chose your answer from the codes given below:
Column I                        Column II
(vitamin)                        (functon)
I. Tocopherol                  1. Inhibits oxidation of unsaturated fatty acids

II. Ascorbic acid              2. Synthesis of collagen

III. Cyanocobalamin        3. Nucleoprotein synthesis

IV. Niacin                        4. Hydrogen transport
Codes:
      I   II   III   IV
A.   1   2    3    4
B.   2   1    4    3 
C.   2   1    3    4
D.   1   2    4    3

Match each item in Column I with one item in Column II and chose your answer from the codes given below:
Column I                  Column II
(nutrient)                 (deficiency)
I. Protein                  A. Marasmus
II. Protein & energy   B. Kwashiorkor
III. Iodine                 C. Mental retardation
IV. Iron                     D. Anemia
Codes:
     I    II    III    IV
1.  A    B     C     D
2.  B    A     D     C
3.  B    A     C     D 
4.  A    B     D     C

Consider the following statements:
I. The common bile duct is guarded by the sphincter of Oddi.
II. Lower esophageal sphincter is also called as the cardiac sphincter.
III. The external anal sphincter is under our voluntary control.
Which of the above statements are true?
1. I and II only         2. I and III only
3. II and III only       4. I, II, and III

The primary dentition in humans differs from permanent dentition in not having one of the following type of teeth
1. Canine
2. Premolars
3. Molars
4. Incisors

Gastric juice of infants contains?
1. maltase, pepsinogen, rennin
2. nuclease, pepsinogen, lipase
3. pepsinogen, lipase, rennin
4. amylase, rennin, pepsinogen

Select the correct match of the digested products in humans given in column I with their absorption site and mechanism in column II.