1. During
lactic acid fermentation, net yield of ATP and NADH per mole of glucose is
a)2 ATP and
2 NADH
b) 4 ATP and
2 NADH
c) 2 ATP
and 0 NADH
d) 4 ATP and
0 NADH
2. The degree
of inhibition for an enzyme catalyzed reaction at a particular inhibitor
concentration is independent of initial substrate concentration. The inhibition
follows
a) competitive
inhibition
b) uncompetitive
inhibition
c) non competitive
inhibition
d) mixed
inhibition
( competitive inhibition and Non competitive inhibition)
3. An
alternative to glycolysis pathway is
a) glyoxylate
pathway
b) citric
acid cycle
c)
gluconeogenesis
d)
pentose phosphate pathway
4. Match the
following.
P. Glycolytic
pathway 1. Chloroplast
Q. Eukaryotic
oxidative metabolism 2. Glyoxysomes
R. Glyoxylate
cycle 3. Mitochondria
S. Calvin cycle
4.
Cytosol
a) P- 1, Q-
2, R-3, S-4
b) P- 2, Q- 3,
R-4, S-1
c) P- 4,
Q- 3, R-3, S-1
d) P- 1, Q-
2, R-3, S-4
5. In zinc finger proteins, the amino acid residues that coordinate zinc are
a) Cys and
His
b) Asp and Glu
c) Arg and
Lys
d) Asp and
Arg
6. Which
one of the following is an ABC transporter?
a) Multidrug
resistance protein
b) ATP
synthase
c)
Acetylcholine receptor
d)
Bacteriorhodopsin
7. Amino acid
residue which is most likely to be found in the interior of water soluble globular
protein is
a) threonine
b) valine
c) histidine
d) aspartic
acid
8. Levinthal’sparadox is related to
a) protein
secretion
b) protein folding
c)protein
trafficking
d) protein
degradation
9. Disaccharide
molecule that contains beta 1-4 glycosidic linkages are
a) sucrose
and maltose
b) sucrose
and isomaltose
c)
lactose and cellobiose
d) maltose
and isomaltose
10. Which
one the following amino acids has three ionizable groups ?
a) Glycine
b) Leucine
c) Valine
d) Lysine
Answers:
1. c) 2 ATP and 0 NADH
2. c) non competitive inhibition
3. d) pentose phosphate pathway
4. c) P- 4, Q- 3, R-3, S-1
5. a) Cys and His
6. a) Multidrug resistance protein
7. b) valine
8. b) protein folding
9. c) lactose and cellobiose
10. d) Lysine