Entrance Test For Biotechnology Page 21
ADVERTISEMENT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23134. The
n umber
o f
t imes
t he
D NA
h elix
c rosses
i tself
o n
a
p lanar
p rojection
i s
a) Twist
b) Writhe
c) Linking
n umber
d) Supercoiling
n umber
135.
T he
m olecule,
w hich
h as
z ero
d ipole
m oment
i s
a) CH
4
b) BF
3
c) NF
3
d) ClO
2
136.
C arbon
r eacts
w ith
m etal
t o
f orm
a) Carbide
b) Carbonate
c) Hydroxide
d) Oxide
137.
W hich
o f
t he
f ollowings
w ill
t urn
l imewater
m ilky?
a) CO
2
b) CO
c) NO
2
d) Cl
2
138.
T he
i somers
h ave
t he
s ame
a) Structural
f ormula
b) Chemical
p roperties
c) Molecular
f ormula
d) Physical
p roperties
138.
T he
n umber
o f
p ossible
a lcohol
i somers
f or
C
H
O
a re
4
10
a) 4
b) 2
c) 3
d) 5
139.
W hich
o ne
o f
t he
f ollowing
i s
n ot
a
c olloid?
a) Chlorophyll
s olution
i n
a lcohol
b) Smoke
c) Ruby
g lass
d) Milk
140. Variable
n umber
o f
t andem
r epeats
( VNTRs)
i n
t he
D NA
m olecule
a re
h ighly
u seful
i n
a) Monoclonal
a ntibody
p roduction
b) DNA
f ingerprinting
c) DNA
f ootprinting
d) DNA
C loning
21
ADVERTISEMENT
0 votes
Related Articles
Related forms
Related Categories
Parent category: Education