Part
-‐ -‐A
1.
R estriction
e ndonucleases
a re
m ost
w idely
u sed
i n
r ecombinant
D NA
t echnology.
T hey
a re
o btained
f rom
a) Bacteriophages
b) Bacteria
c) Insect
c ells
d) Plasmids
2. The
t erm
a ntibiotic
w as
c oined
b y
a) Selman
W aksman
b) Louis
P asteur
c) Edward
J enner
d) Luc
M ontagnier
3. Carcinoma
r efers
t o
a) Malignant
t umor
o f
s kin
o r
m ucus
t issue
b) Malignant
t umor
o f
c olon
c) Malignant
t umor
o f
c onnective
t issue
d) Benign
t umor
o f
c onnective
t issue
4. Subunit
v accines
a re
a dministered
f or
a) Hepatitis
A
b) Hepatitis
B
c) Hepatitis
E
d) Hepatitis
C
5. A
s ingle
s trand
o f
n ucleic
a cid
t agged
w ith
a
r adioactive
m olecule
i s
c alled
a) Plasmid
b) Probe
c) Primer
d) Vector
6.
T he
h ardest
p art
o f
a
t ooth
i s
t he
a) dentine
b) enamel
c) pulp
d) dental
t ubules
7.
C ollagen
i s
a
a) Globular
P rotein
b) Fibrous
p rotein
c) Lipid
d) Carbohydrate
8. D-‐Ribulose
i s
a :
a) Pentose
b) Hexose
c) Tetrose
d) Triose
3