GRE Biochemistry Practice Tests

GRE Biology Practice Tests - Biochemistry



1. Lactose is composed of
glucose and galactose
fructose and galactose
glucose and glucose
glucose and fructose
glucose and sucrose
2. Lipids are insoluble in water because lipid molecules are
neutral
zwitter ions
hydrophobic
hydophilic
none of these
3. In which of the following groups are all polysaccharides?
sucrose, glucose and fructose
maltose, lactose and fructose
glycogen, sucrose and maltose
glycogen, cellulose and starch
sucrose and maltose
4. Modern detergents contain enzyme preparations of
alkaliphiles
acidophiles
thermoacidophiles
thermophiles
hydophilic
5. The numbers of molecule of fatty acid present in one molecule of fat is
1
2
3
4
hydophilic
6. The elements that make up 99% of all elements found in living system
C, H, O
C, H, O, N
C, H, O, N, P
C, H, O, P
C, H, O, P
7. Excess protein, carbohydrate and fats are stored in body as
fat
glycogen
starch
ATP
C, H, O, P
8. Which of the following substance is required for the normal functioning of the enzymes?
apoenzyme
holoenzyme
cofactor
abozyme
C, H, O, P
9. Which of the following is a storage protein?
ferroprotein
mucoprotein
glutenins
chromoprotein
C, H, O, P
10. Protein which play a significant role in aging is
elastin
actin
collagen
myosin
C, H, O, P
Score =
Correct answers:

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