1

AIPMT 2007

Which of the following vitamins is water-soluble?
A
Vitamin E
B
Vitamin K
C
Vitamin A
D
Vitamin B

Explanation

Vitamin B is water soluble whereas all other are water insoluble.
2

AIPMT 2006

During the process of digestion, the proteins present in food materials are hydrolysed to amino acids. The two enzymes involved in the process-

are respectively
A
invertase and zymase
B
amylase and maltase
C
diastage and lipase
D
pepsin and trypsin

Explanation

3

AIPMT 2006

Which one of the following is a peptide hormone?
A
B
Glucagon
C
Testosterone
D
Thyroxine

Explanation

Glucagon is a single chain peptide of 29 amino acids, synthesised by the $\alpha$-cells in the islets of Langerhans of the pancreas.
4

AIPMT 2006

The human body does not produce
A
enzymes
B
DNA
C
vitamins
D
hormones

Explanation

Vitamins are not produced in human body and they have to be taken from an outside source.

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