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questions
List of practice Questions
Protein is identified in
Biology
Applications of Biotechnology
Which is diagnosed is southern blotting
Biology
Applications of Biotechnology
Which is not formed in deficiency of ADA
Biology
Applications of Biotechnology
Magic antibodies are
Biology
Applications of Biotechnology
Second generation vaccines contain
Biology
Applications of Biotechnology
Amino acids present in c-peptide of proinsulin are
Biology
Applications of Biotechnology
Extra amino acids present in pre-proinsulin are
Biology
Applications of Biotechnology
Interferons are used in the treatment of
Biology
Applications of Biotechnology
In the following reaction:
C
H
3
O
N
a
+
C
O
−
>
[
Δ
]
[
Under pressure
,
H
C
l
]
A
CH_3ONa + CO {->[\Delta][{\text{Under pressure}}, HCl]} A
C
H
3
ON
a
+
CO
−
>
[
Δ
]
[
Under pressure
,
H
Cl
]
A
Here
′
A
′
'A'
′
A
′
is
Chemistry
Aldehydes, Ketones and Carboxylic Acids
A narrow spectrum antibiotic is active against____.
Chemistry
Chemistry in Everyday Life
A natural number x is chosen at random from the first 100 natural numbers. Then the probability, for the equation
x
+
100
x
>
50
x+\frac{100}{x} > 50
x
+
x
100
>
50
to be true is
Mathematics
Probability
A naturally occurring substance from which a metal can be profitably extracted is known, as
Chemistry
General Principles and Processes of Isolation of Elements
A mule is produced by the interspecific hybridisation between
Biology
Strategies For Enhancement in Food Production
A multimode graded index fibre exhibits total pulse broadening of
0.1
μ
s
0.1\, \mu s
0.1
μ
s
over a distance of
1.5
k
m
1.5\, km
1.5
km
. What is the maximum possible band width on the link assuming no inter symbol interference?
Physics
communication systems
A myopic person can not see objects lying beyond 2m. The focal length and power of the lens required to remove this defect will be
Physics
Ray optics and optical instruments
A motorboat is racing towards north at
25
k
m
h
−
1
25 \,km\, h^{-1}
25
km
h
−
1
and the water current in that region is
10
k
m
h
−
1
10\, km\, h^{-1}
10
km
h
−
1
in the direction of
6
0
?
60^?
6
0
?
east of south. The resultant velocity of the boat is
Physics
Motion in a plane
A motorcycle and a car start from rest from the same place at the same time and travel in the same direction. The motorcycle accelerates at
1.0
m
s
−
2
1.0 \,m\, s^{-2}
1.0
m
s
−
2
up to a speed of
36
k
m
h
−
1
36\, km\, h^{-1}
36
km
h
−
1
and the car at
0.5
m
s
−
2
0.5 \,m \,s^{-2}
0.5
m
s
−
2
up to a speed of
54
k
m
h
−
1
54 \,km\, h^{-1}
54
km
h
−
1
. The time at which the car would overtake the motorcycle is
Physics
Motion in a straight line
A monkey of mass
40
k
g
40 \,kg
40
k
g
climbs ona massless rope which can stand a maximum tension of
500
N
500 \,N
500
N
. In which of the following cases will the rope break? (Take
g
=
10
m
s
−
2
\, g=10\,m \,s^{-2}
g
=
10
m
s
−
2
)
Physics
laws of motion
A monocarpic perennial plant is
Biology
Reproduction in Organisms
A mole of
N
2
H
4
N_2H_4
N
2
H
4
loses
10
10
10
mol of electrons to form a new compound
Y
Y
Y
. Assuming that all the nitrogen appears in the new compound, what is the oxidation state of nitrogen in
Y
Y
Y
? (There is no change in the oxidation number of hydrogen.)
Chemistry
Redox reactions
A mole of
N
2
H
4
{N_2H_4}
N
2
H
4
loses ten moles of electrons to form a new compound Y. Assuming that all the nitrogen appears in the new compound, what is the oxidation state'of nitrogen in Y? (there is no change in the oxidation number of hydrogen)
Chemistry
Redox reactions
A mixture of three gases, ethane, ethene and ethyne are passed through ammoniacal solution of cuprous chloride. The emergent gas(es) after it was passed through solution contained
Chemistry
Hydrocarbons
A mixture of
C
3
H
8
C_3H_8
C
3
H
8
and
C
H
4
CH_4
C
H
4
exerts a pressure of 320 mm Hg at temperature T K in a V litre flask. On complete combustion, gaseous mixture contains
C
O
2
CO_2
C
O
2
only and exerts a pressure of 448 mm Hg under identical conditions. Hence mole fraction of
C
3
H
8
C_3H_8
C
3
H
8
in the mixture is
Chemistry
States of matter
A mixture of dihydrogen and dioxygen at one bar pressure contains 20% by weight of dihydrogen. What would be the partial pressure of dihydrogen in bar?
Chemistry
States of matter
A mitotic poison is
Biology
cell cycle and cell division
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