Please wait...

Solution
Q.1 Correct
Q.1 In-correct
Q.1 Unattempt
If A and B are finite sets and A ⊂ B , then
If A and B are finite sets and A ⊂ B , then
Q.2 Correct
Q.2 In-correct
Q.2 Unattempt
The value of cos245°−sin215° is
The value of cos245°−sin215° is
Q.3 Correct
Q.3 In-correct
Q.3 Unattempt
3 + 5 +7 + ....... to n terms is
3 + 5 +7 + ....... to n terms is
Q.4 Correct
Q.4 In-correct
Q.4 Unattempt
If (
1+i
1−i
)m,then the least positive integralvalue of m is
If (
1+i
1−i
)m,then the least positive integralvalue of m is
Q.5 Correct
Q.5 In-correct
Q.5 Unattempt
If |x−2|≤1, then
If |x−2|≤1, then
Q.6 Correct
Q.6 In-correct
Q.6 Unattempt
If nC12 = nC8 , then n is equal to
If nC12 = nC8 , then n is equal to
Q.7 Correct
Q.7 In-correct
Q.7 Unattempt
The total number of terms in the expansion of(x+a)47−(x−a)47after simplification is
The total number of terms in the expansion of(x+a)47−(x−a)47after simplification is
Q.8 Correct
Q.8 In-correct
Q.8 Unattempt
Equation of line passing through the point(1,2) and perpendicular to the line
y = 3x - 1
Equation of line passing through the point(1,2) and perpendicular to the line
y = 3x - 1
Q.9 Correct
Q.9 In-correct
Q.9 Unattempt
The eccentricity of the ellipse
x2
36
+
y2
16
=1 is
The eccentricity of the ellipse
x2
36
+
y2
16
=1 is
Q.10 Correct
Q.10 In-correct
Q.10 Unattempt
The perpendicular distance of the point P(6,7,8) from XY - plane is
The perpendicular distance of the point P(6,7,8) from XY - plane is
Q.11 Correct
Q.11 In-correct
Q.11 Unattempt
The value of
lim
θ→0
1−cos‌4‌θ
1−cos‌6‌θ
 is
The value of
lim
θ→0
1−cos‌4‌θ
1−cos‌6‌θ
 is
Q.12 Correct
Q.12 In-correct
Q.12 Unattempt
The contrapositive statement of the statement “If x is prime number, then x is odd” is
The contrapositive statement of the statement “If x is prime number, then x is odd” is
Q.13 Correct
Q.13 In-correct
Q.13 Unattempt
If coefficient of variation is 60 and standarddeviation is 24, then Arithmetic mean is
If coefficient of variation is 60 and standarddeviation is 24, then Arithmetic mean is
Q.14 Correct
Q.14 In-correct
Q.14 Unattempt
The range of the function f(x) = √9−x2 is
The range of the function f(x) = √9−x2 is
Q.15 Correct
Q.15 In-correct
Q.15 Unattempt
Let f : R —» R be defined by f(x) = x4 , then
Let f : R —» R be defined by f(x) = x4 , then
Q.16 Correct
Q.16 In-correct
Q.16 Unattempt
The range of sec−1 is
The range of sec−1 is
Q.17 Correct
Q.17 In-correct
Q.17 Unattempt
If tan−1x+tan−1y=
4π
5
 , then cot−1x+cot−1y is equal to
If tan−1x+tan−1y=
4π
5
 , then cot−1x+cot−1y is equal to
Q.18 Correct
Q.18 In-correct
Q.18 Unattempt
If f(x) = 8x2 , g(x) = x
1
3
 then fog(x) is
If f(x) = 8x2 , g(x) = x
1
3
 then fog(x) is
Q.19 Correct
Q.19 In-correct
Q.19 Unattempt
If
A=‌
1
π
[
sin‌−1(πx)tan−1(‌
x
π
)
sin‌−1(‌
x
π
)		cot−1(πx)
]
,
B=[
−cos−1(πx)tan−1(‌
x
π
)
sin‌−1(‌
x
π
)		−tan−1(πx)
]

then A−B is equal to-
If
A=‌
1
π
[
sin‌−1(πx)tan−1(‌
x
π
)
sin‌−1(‌
x
π
)		cot−1(πx)
]
,
B=[
−cos−1(πx)tan−1(‌
x
π
)
sin‌−1(‌
x
π
)		−tan−1(πx)
]

then A−B is equal to-
Q.20 Correct
Q.20 In-correct
Q.20 Unattempt
If a matrix A is both symmetric and skew symmetric, then
If a matrix A is both symmetric and skew symmetric, then
Q.21 Correct
Q.21 In-correct
Q.21 Unattempt
If ‌‌ 2[
13
0x
]+[
y0
12
] = [
56
18
] then the value of x and y are
If ‌‌ 2[
13
0x
]+[
y0
12
] = [
56
18
] then the value of x and y are
Q.22 Correct
Q.22 In-correct
Q.22 Unattempt
Binary operation * on R - {-1} defined by
a * b =
a
b+1
 is
Binary operation * on R - {-1} defined by
a * b =
a
b+1
 is
Q.23 Correct
Q.23 In-correct
Q.23 Unattempt
If |
3x
x1
| = |
32
41
| then x is equal to
If |
3x
x1
| = |
32
41
| then x is equal to
Q.24 Correct
Q.24 In-correct
Q.24 Unattempt
If A is a square matrix of order 3 x 3, then |KA| is equal to
If A is a square matrix of order 3 x 3, then |KA| is equal to
Q.25 Correct
Q.25 In-correct
Q.25 Unattempt
The area of triangle with vertices (K, 0), (4,0), (0, 2) is 4 square units, then value of K is
The area of triangle with vertices (K, 0), (4,0), (0, 2) is 4 square units, then value of K is
Q.26 Correct
Q.26 In-correct
Q.26 Unattempt
Let △=|
Axx21
Byy21
Czz21
| and
△1=|
ABC
xyz
zyzxxy
| then
Let △=|
Axx21
Byy21
Czz21
| and
△1=|
ABC
xyz
zyzxxy
| then
Q.27 Correct
Q.27 In-correct
Q.27 Unattempt
If f(x) = {
Kx3;if‌x≤2
3;if‌x>2
 is continuous at x = 2, then the value of K is
If f(x) = {
Kx3;if‌x≤2
3;if‌x>2
 is continuous at x = 2, then the value of K is
Q.28 Correct
Q.28 In-correct
Q.28 Unattempt
The value of C in Mean value theorem for the function f(x) = x2 in [2, 4] is
The value of C in Mean value theorem for the function f(x) = x2 in [2, 4] is
Q.29 Correct
Q.29 In-correct
Q.29 Unattempt
The point on the curve y2 = x where the tangent makes an angle of π /4 with X-axis is
The point on the curve y2 = x where the tangent makes an angle of π /4 with X-axis is
Q.30 Correct
Q.30 In-correct
Q.30 Unattempt
The function f(x) = x2+ 2x - 5 is strictly increasing in the interval
The function f(x) = x2+ 2x - 5 is strictly increasing in the interval
Q.31 Correct
Q.31 In-correct
Q.31 Unattempt
The rate of change of volume of a sphere with respect to its surface area when the radius is 4 cm is
The rate of change of volume of a sphere with respect to its surface area when the radius is 4 cm is
Q.32 Correct
Q.32 In-correct
Q.32 Unattempt
If y = tan−1(
sin‌x+cos‌x
cos‌x−sin‌x
) , then
dy
dx
 is equal to
If y = tan−1(
sin‌x+cos‌x
cos‌x−sin‌x
) , then
dy
dx
 is equal to
Q.33 Correct
Q.33 In-correct
Q.33 Unattempt
If y = |
f(x)g(x)h(x)
lmn
abc
| , then
dy
dx
 is equal to
If y = |
f(x)g(x)h(x)
lmn
abc
| , then
dy
dx
 is equal to
Q.34 Correct
Q.34 In-correct
Q.34 Unattempt
If sin x =
2t
1+t2
 , tan y =
2t
1+t2
 , then
dy
dx
 is equal to
If sin x =
2t
1+t2
 , tan y =
2t
1+t2
 , then
dy
dx
 is equal to
Q.35 Correct
Q.35 In-correct
Q.35 Unattempt
The derivative of cos−1(2x2−1) w.r.t cos−1x is
The derivative of cos−1(2x2−1) w.r.t cos−1x is
Q.36 Correct
Q.36 In-correct
Q.36 Unattempt
If y = log(log x ) then
d2y
dx2
 is equal to
If y = log(log x ) then
d2y
dx2
 is equal to
Q.37 Correct
Q.37 In-correct
Q.37 Unattempt
∫
(x+3)ex
(x+4)2
 dx is eqal to
∫
(x+3)ex
(x+4)2
 dx is eqal to
Q.38 Correct
Q.38 In-correct
Q.38 Unattempt
∫
cos‌ ‌2‌x−cos‌ ‌2‌θ
cos‌ ‌x−cos‌ ‌θ
 dx is equal to
∫
cos‌ ‌2‌x−cos‌ ‌2‌θ
cos‌ ‌x−cos‌ ‌θ
 dx is equal to
Q.39 Correct
Q.39 In-correct
Q.39 Unattempt
∫√x2+2x+5 dx is equal to
∫√x2+2x+5 dx is equal to
Q.40 Correct
Q.40 In-correct
Q.40 Unattempt
π
2
∫
0
tan7x
cot7x+tan7x
 dx is equal to
π
2
∫
0
tan7x
cot7x+tan7x
 dx is equal to
Q.41 Correct
Q.41 In-correct
Q.41 Unattempt
5
∫
−5
|x+2|dx is equal to
5
∫
−5
|x+2|dx is equal to
Q.42 Correct
Q.42 In-correct
Q.42 Unattempt
π
2
∫
−
π
2
dx
esin‌ ‌x+1
 is equal to
π
2
∫
−
π
2
dx
esin‌ ‌x+1
 is equal to
Q.43 Correct
Q.43 In-correct
Q.43 Unattempt
π
2
∫
0
1
a2⋅sin2 x+b2⋅cos2 x
 dx is equal to
π
2
∫
0
1
a2⋅sin2 x+b2⋅cos2 x
 dx is equal to
Q.44 Correct
Q.44 In-correct
Q.44 Unattempt
The area of the region bounded by the curve y=x2 and the line y = 16 is
The area of the region bounded by the curve y=x2 and the line y = 16 is
Q.45 Correct
Q.45 In-correct
Q.45 Unattempt
Area of the region bounded by the curve y=cosx,x=0 and x=π is
Area of the region bounded by the curve y=cosx,x=0 and x=π is
Q.46 Correct
Q.46 In-correct
Q.46 Unattempt
The degree of the differential equation [1+(
dy
dx
)2]2=
d2y
dx2
 is
The degree of the differential equation [1+(
dy
dx
)2]2=
d2y
dx2
 is
Q.47 Correct
Q.47 In-correct
Q.47 Unattempt
General solution of differential equation
dy
‌dx
+y=1(y≠1) is
General solution of differential equation
dy
‌dx
+y=1(y≠1) is
Q.48 Correct
Q.48 In-correct
Q.48 Unattempt
The integrating factor of the differentialequation x⋅
dy
dx
+2y=x2 is (x ≠ 0)
The integrating factor of the differentialequation x⋅
dy
dx
+2y=x2 is (x ≠ 0)
Q.49 Correct
Q.49 In-correct
Q.49 Unattempt
If
→
a
=2
^‌
i
+λ
^
j
+
^
k
 and
→
b
=
^
i
+2
^
j
+3
^
k
 are orthogonal then the value of λ is
If
→
a
=2
^‌
i
+λ
^
j
+
^
k
 and
→
b
=
^
i
+2
^
j
+3
^
k
 are orthogonal then the value of λ is
Q.50 Correct
Q.50 In-correct
Q.50 Unattempt
If
→
a
,
→
b
,
→
c
‌are unit vectors such that
→
a
+
→
b
+
→
c
=
→
0
 then the value of
→
a
.
→
b
+
→
b
.
→
c
+
→
c
.
→
a
 is equal to
If
→
a
,
→
b
,
→
c
‌are unit vectors such that
→
a
+
→
b
+
→
c
=
→
0
 then the value of
→
a
.
→
b
+
→
b
.
→
c
+
→
c
.
→
a
 is equal to
Q.51 Correct
Q.51 In-correct
Q.51 Unattempt
If
→
a
 &
→
b
 are unit vectors ,then the angle between`
→
a
 and
→
b
 for √3
→
a
 −
→
b
 to be unit vector is
If
→
a
 &
→
b
 are unit vectors ,then the angle between`
→
a
 and
→
b
 for √3
→
a
 −
→
b
 to be unit vector is
Q.52 Correct
Q.52 In-correct
Q.52 Unattempt
Reflexion of the point (α, β, γ) in XY plane is
Reflexion of the point (α, β, γ) in XY plane is
Q.53 Correct
Q.53 In-correct
Q.53 Unattempt
The plane 2 x - 3y + 6z - 11 = 0 makes an angle sin−1(α) with X-axis. The value of a is equal to
The plane 2 x - 3y + 6z - 11 = 0 makes an angle sin−1(α) with X-axis. The value of a is equal to
Q.54 Correct
Q.54 In-correct
Q.54 Unattempt
The distance o f the point (-2, 4, -5) from the line
x+3
3
=
y−4
5
=
z+8
6
 is
The distance o f the point (-2, 4, -5) from the line
x+3
3
=
y−4
5
=
z+8
6
 is
Q.55 Correct
Q.55 In-correct
Q.55 Unattempt
A box has 100 pens of which 10 are defective. The probability that out of a sample of 5 pens drawn one by one with replacement and at most one is defective is
A box has 100 pens of which 10 are defective. The probability that out of a sample of 5 pens drawn one by one with replacement and at most one is defective is
Q.56 Correct
Q.56 In-correct
Q.56 Unattempt
Two events A and B will be independent if
Two events A and B will be independent if
Q.57 Correct
Q.57 In-correct
Q.57 Unattempt
The probability distribution of X is
The probability distribution of X is
Q.58 Correct
Q.58 In-correct
Q.58 Unattempt
The shaded region in the figure is the solution set of the inequations
The shaded region in the figure is the solution set of the inequations
Q.59 Correct
Q.59 In-correct
Q.59 Unattempt
If an LPP admits optimal solution at two consecutive vertices of a feasible region, then
If an LPP admits optimal solution at two consecutive vertices of a feasible region, then
Q.60 Correct
Q.60 In-correct
Q.60 Unattempt
3.5
∫
0.2
[x] dx is equal to
3.5
∫
0.2
[x] dx is equal to
Q.1 Correct
Q.1 In-correct
Q.1 Unattempt
A substance of mass 49.53 g occupies 1.5 cm3 of volume. The density of the substance (in g cm−3) with correct number of significant figures is
A substance of mass 49.53 g occupies 1.5 cm3 of volume. The density of the substance (in g cm−3) with correct number of significant figures is
Q.2 Correct
Q.2 In-correct
Q.2 Unattempt
A car moving with a velocity of 20 m s−1 is stopped in a distance of 40 m. If the same car is travelling at double the velocity, the distance travelled by it for same retardation is
A car moving with a velocity of 20 m s−1 is stopped in a distance of 40 m. If the same car is travelling at double the velocity, the distance travelled by it for same retardation is
Q.3 Correct
Q.3 In-correct
Q.3 Unattempt
The angle between velocity and acceleration of a particle describing uniform circular motion is
The angle between velocity and acceleration of a particle describing uniform circular motion is
Q.4 Correct
Q.4 In-correct
Q.4 Unattempt
If
→
A
=2
^
i
+3
^
j
+8
^
k
 is perpendicular to
→
B
=4
^
j
−4
^
i
+α
^
k
 , then the value of ' α ' is
If
→
A
=2
^
i
+3
^
j
+8
^
k
 is perpendicular to
→
B
=4
^
j
−4
^
i
+α
^
k
 , then the value of ' α ' is
Q.5 Correct
Q.5 In-correct
Q.5 Unattempt
A body of mass 50 kg, is suspended using a spring balance inside a lift at rest. If the lift starts falling freely, the reading of the spring balance is
A body of mass 50 kg, is suspended using a spring balance inside a lift at rest. If the lift starts falling freely, the reading of the spring balance is
Q.6 Correct
Q.6 In-correct
Q.6 Unattempt
A motor pump lifts 6 tonnes of water from a well of depth 25 m to the first floor of height 35 m from the ground floor in 20 minutes. The power of the pump (in kW) is: [g = 10 ms−2]
A motor pump lifts 6 tonnes of water from a well of depth 25 m to the first floor of height 35 m from the ground floor in 20 minutes. The power of the pump (in kW) is: [g = 10 ms−2]
Q.7 Correct
Q.7 In-correct
Q.7 Unattempt
Two balls are thrown simultaneously in air.The acceleration of the centre of mass of the two balls when in air,
Two balls are thrown simultaneously in air.The acceleration of the centre of mass of the two balls when in air,
Q.8 Correct
Q.8 In-correct
Q.8 Unattempt
The value of acceleration due to gravity at adepth of 1600 km is equal to:
[Radius of earth = 6400 km]
The value of acceleration due to gravity at adepth of 1600 km is equal to:
[Radius of earth = 6400 km]
Q.9 Correct
Q.9 In-correct
Q.9 Unattempt
'Young's modulus' is defined as the ratio of
'Young's modulus' is defined as the ratio of
Q.10 Correct
Q.10 In-correct
Q.10 Unattempt
'Hydraulic lift' works on the basis of
'Hydraulic lift' works on the basis of
Q.11 Correct
Q.11 In-correct
Q.11 Unattempt
The S.I. unit of specific heat capacity is
The S.I. unit of specific heat capacity is
Q.12 Correct
Q.12 In-correct
Q.12 Unattempt
For which combination of working temperatures, the efficiency of 'Carnot's engine' is the least ?
For which combination of working temperatures, the efficiency of 'Carnot's engine' is the least ?
Q.13 Correct
Q.13 In-correct
Q.13 Unattempt
The mean energy of a molecule of an ideal gas is
The mean energy of a molecule of an ideal gas is
Q.14 Correct
Q.14 In-correct
Q.14 Unattempt
Two simple pendulums A and B are made to oscillate simultaneously and it is found that A completes 10 oscillations in 20 sec and B completes 8 oscillations in 10 sec. The ratio of the lengths of A and B is
Two simple pendulums A and B are made to oscillate simultaneously and it is found that A completes 10 oscillations in 20 sec and B completes 8 oscillations in 10 sec. The ratio of the lengths of A and B is
Q.15 Correct
Q.15 In-correct
Q.15 Unattempt
The waves set up in a closed pipe are
The waves set up in a closed pipe are
Q.16 Correct
Q.16 In-correct
Q.16 Unattempt
Two spheres of electric charges +2 nC and −8nC are placed at a distance 'd' apart. If they are allowed to touch each other, what is the new distance between them to get a repulsive force of same magnitude as before?
Two spheres of electric charges +2 nC and −8nC are placed at a distance 'd' apart. If they are allowed to touch each other, what is the new distance between them to get a repulsive force of same magnitude as before?
Q.17 Correct
Q.17 In-correct
Q.17 Unattempt
Three point charges of + 2q, + 2q and - 4q are placed at the corners A, B and C of an equilateral triangle ABC of side 'x'. The magnitude of the electric dipole moment of this system is
Three point charges of + 2q, + 2q and - 4q are placed at the corners A, B and C of an equilateral triangle ABC of side 'x'. The magnitude of the electric dipole moment of this system is
Q.18 Correct
Q.18 In-correct
Q.18 Unattempt
4×1010 electrons are removed from a neutral metal sphere of diameter 20 cm placed in air. The magnitude of the electric field (in NC−1 ) at a distance of 20 cm from its centre is:
4×1010 electrons are removed from a neutral metal sphere of diameter 20 cm placed in air. The magnitude of the electric field (in NC−1 ) at a distance of 20 cm from its centre is:
Q.19 Correct
Q.19 In-correct
Q.19 Unattempt
Two point charges A = +3 nC and B = +1 nC are placed 5 cm apart in air. The work done to move charge B towards A by 1 cm is
Two point charges A = +3 nC and B = +1 nC are placed 5 cm apart in air. The work done to move charge B towards A by 1 cm is
Q.20 Correct
Q.20 In-correct
Q.20 Unattempt
A system of 2 capacitors of capacitance 2 µFand 4 µF is connected in series across a potential difference of 6V. The electric charge and energy stored in the system are
A system of 2 capacitors of capacitance 2 µFand 4 µF is connected in series across a potential difference of 6V. The electric charge and energy stored in the system are
Q.21 Correct
Q.21 In-correct
Q.21 Unattempt
The minimum value of effective capacitance that can be obtained by combining 3 capacitors of capacitances 1 pF, 2 pF and 4 pF is
The minimum value of effective capacitance that can be obtained by combining 3 capacitors of capacitances 1 pF, 2 pF and 4 pF is
Q.22 Correct
Q.22 In-correct
Q.22 Unattempt
A cylindrical conductor of diameter 0.1 mm carries a current of 90 mA. The current density (in Am−2) is (π ≃ 3)
A cylindrical conductor of diameter 0.1 mm carries a current of 90 mA. The current density (in Am−2) is (π ≃ 3)
Q.23 Correct
Q.23 In-correct
Q.23 Unattempt
A piece of copper is to be shaped into a conducting wire of maximum resistance. The suitable length and diameter are ________and _______ respectively.
A piece of copper is to be shaped into a conducting wire of maximum resistance. The suitable length and diameter are ________and _______ respectively.
Q.24 Correct
Q.24 In-correct
Q.24 Unattempt
Of the following graphs, the one that correctly represents the I-V. characteristics of a 'Ohmic device' is
Of the following graphs, the one that correctly represents the I-V. characteristics of a 'Ohmic device' is
Q.25 Correct
Q.25 In-correct
Q.25 Unattempt
The value of I in the figure shown below is
The value of I in the figure shown below is
Q.26 Correct
Q.26 In-correct
Q.26 Unattempt
The power dissipated in 3Ω resistance in the following circuit is
The power dissipated in 3Ω resistance in the following circuit is
Q.27 Correct
Q.27 In-correct
Q.27 Unattempt
In metre bridge experiment, with a standard resistance in the right gap and a resistance coil dipped in water (in a beaker) in the left gap, the balancing length obtained is '1'. If the temperature of water is increased, the new balancing length is
In metre bridge experiment, with a standard resistance in the right gap and a resistance coil dipped in water (in a beaker) in the left gap, the balancing length obtained is '1'. If the temperature of water is increased, the new balancing length is
Q.28 Correct
Q.28 In-correct
Q.28 Unattempt
A proton, a deuteron and an α - particle are projected perpendicular to the direction of a uniform magnetic field with same kinetic energy. The ratio of the radii of the circular paths described by them is
A proton, a deuteron and an α - particle are projected perpendicular to the direction of a uniform magnetic field with same kinetic energy. The ratio of the radii of the circular paths described by them is
Q.29 Correct
Q.29 In-correct
Q.29 Unattempt
A galvanometer of resistance 50 Ω is connected to a battery of 3V along with a resistance of 2950 Ω in series shows full-scale deflection of 30 divisions. The additional series resistance required to reduce the deflection to 20 divisions is
A galvanometer of resistance 50 Ω is connected to a battery of 3V along with a resistance of 2950 Ω in series shows full-scale deflection of 30 divisions. The additional series resistance required to reduce the deflection to 20 divisions is
Q.30 Correct
Q.30 In-correct
Q.30 Unattempt
The magnetic field at the center of a current carrying loop of radius 0.1 m is 5√5 times that at a point along its axis. The distance of this point from the centre of the loop is
The magnetic field at the center of a current carrying loop of radius 0.1 m is 5√5 times that at a point along its axis. The distance of this point from the centre of the loop is
Q.31 Correct
Q.31 In-correct
Q.31 Unattempt
A straight wire of length 50 cm carrying a current of 2.5 A is suspended in mid-air by a uniform magnetic field of 0.5 T (as shown in figure). The mass of the wire is (g = 10 m s−2)
A straight wire of length 50 cm carrying a current of 2.5 A is suspended in mid-air by a uniform magnetic field of 0.5 T (as shown in figure). The mass of the wire is (g = 10 m s−2)
Q.32 Correct
Q.32 In-correct
Q.32 Unattempt
Which of the following properties is 'False' for a bar magnet ?
Which of the following properties is 'False' for a bar magnet ?
Q.33 Correct
Q.33 In-correct
Q.33 Unattempt
A magnetic dipole of magnetic moment 6×10−2Am2 and moment of inertia 12×10−6kg‌m2 performs oscillations in a magnetic field of 2×10−2 T. The time taken by the dipole to complete 20 oscillations is (π ≃ 3)
A magnetic dipole of magnetic moment 6×10−2Am2 and moment of inertia 12×10−6kg‌m2 performs oscillations in a magnetic field of 2×10−2 T. The time taken by the dipole to complete 20 oscillations is (π ≃ 3)
Q.34 Correct
Q.34 In-correct
Q.34 Unattempt
The susceptibility of a ferromagnetic substance is
The susceptibility of a ferromagnetic substance is
Q.35 Correct
Q.35 In-correct
Q.35 Unattempt
A bar magnet is allowed to fall vertically through a copper coil placed in a horizontal plane. The magnet falls with a net acceleration
A bar magnet is allowed to fall vertically through a copper coil placed in a horizontal plane. The magnet falls with a net acceleration
Q.36 Correct
Q.36 In-correct
Q.36 Unattempt
The working of magnetic braking of trains is based on
The working of magnetic braking of trains is based on
Q.37 Correct
Q.37 In-correct
Q.37 Unattempt
A jet plane of wing span 20 m is travelling towards west at a speed of
400 ms−1. If the earth's total magnetic field is 4×10−4 T and the dip angle is 30°, at that place, the voltage difference developed across the ends of the wing is
A jet plane of wing span 20 m is travelling towards west at a speed of
400 ms−1. If the earth's total magnetic field is 4×10−4 T and the dip angle is 30°, at that place, the voltage difference developed across the ends of the wing is
Q.38 Correct
Q.38 In-correct
Q.38 Unattempt
In the A.C. circuit shown, keeping 'K' pressed, if an iron rod is inserted into the coil, the bulb in the circuit,
In the A.C. circuit shown, keeping 'K' pressed, if an iron rod is inserted into the coil, the bulb in the circuit,
Q.39 Correct
Q.39 In-correct
Q.39 Unattempt
The output of a step down transformer is measured to be 48 V when connected to a 12 W bulb. The value of peak current is
The output of a step down transformer is measured to be 48 V when connected to a 12 W bulb. The value of peak current is
Q.40 Correct
Q.40 In-correct
Q.40 Unattempt
A coil of inductive reactance
1
√3
Ω and resistance 1Ω is connected to a 200 V, 50 Hz ac. supply. The time lag between maximum voltage and current is
A coil of inductive reactance
1
√3
Ω and resistance 1Ω is connected to a 200 V, 50 Hz ac. supply. The time lag between maximum voltage and current is
Q.41 Correct
Q.41 In-correct
Q.41 Unattempt
If
→
E
 and
→
B
 represent electric and magnetic field vectors of an electromagnetic wave, the direction of propagation of the wave is along
If
→
E
 and
→
B
 represent electric and magnetic field vectors of an electromagnetic wave, the direction of propagation of the wave is along
Q.42 Correct
Q.42 In-correct
Q.42 Unattempt
According to Cartesian sign convention, in ray optics
According to Cartesian sign convention, in ray optics
Q.43 Correct
Q.43 In-correct
Q.43 Unattempt
A linear object of height 10 cm is kept in front of a concave mirror of radius of curvature 15 cm, at a distance of 10 cm. The image formed is
A linear object of height 10 cm is kept in front of a concave mirror of radius of curvature 15 cm, at a distance of 10 cm. The image formed is
Q.44 Correct
Q.44 In-correct
Q.44 Unattempt
During scattering of light, the amount of scattering is inversely proportional to ______of wavelength of light.
During scattering of light, the amount of scattering is inversely proportional to ______of wavelength of light.
Q.45 Correct
Q.45 In-correct
Q.45 Unattempt
In Young's double-slit experiment if yellowlight is replaced by blue light, the interferencefringes become
In Young's double-slit experiment if yellowlight is replaced by blue light, the interferencefringes become
Q.46 Correct
Q.46 In-correct
Q.46 Unattempt
According to Huygens' principle, during refraction of light from air to a denser medium
According to Huygens' principle, during refraction of light from air to a denser medium
Q.47 Correct
Q.47 In-correct
Q.47 Unattempt
In a system of two crossed polarisers, it is found that the intensity of light from the second polariser is half from that of first polariser. The angle between their pass axes is
In a system of two crossed polarisers, it is found that the intensity of light from the second polariser is half from that of first polariser. The angle between their pass axes is
Q.48 Correct
Q.48 In-correct
Q.48 Unattempt
From the following graph of photo current against collector plate potential, for two different intensities of light I1 and I2, one can conclude
From the following graph of photo current against collector plate potential, for two different intensities of light I1 and I2, one can conclude
Q.49 Correct
Q.49 In-correct
Q.49 Unattempt
A particle is dropped from a height 'H'. The de Broglie wavelength of the particle depends on height as
A particle is dropped from a height 'H'. The de Broglie wavelength of the particle depends on height as
Q.50 Correct
Q.50 In-correct
Q.50 Unattempt
The scientist who is credited with the discovery of 'nucleus' in an atom is
The scientist who is credited with the discovery of 'nucleus' in an atom is
Q.51 Correct
Q.51 In-correct
Q.51 Unattempt
The energy (in eV) required to excite an electron from n = 2 to n = 4 state in hydrogen atom is
The energy (in eV) required to excite an electron from n = 2 to n = 4 state in hydrogen atom is
Q.52 Correct
Q.52 In-correct
Q.52 Unattempt
In a nuclear reactor the function of the Moderator is to decrease
In a nuclear reactor the function of the Moderator is to decrease
Q.53 Correct
Q.53 In-correct
Q.53 Unattempt
The particles emitted in the decay of 92238U to 92234U:
The particles emitted in the decay of 92238U to 92234U:
Q.54 Correct
Q.54 In-correct
Q.54 Unattempt
The mass defect of 24He is 0.03 u. The binding energy per nucleon of helium (in MeV) is
The mass defect of 24He is 0.03 u. The binding energy per nucleon of helium (in MeV) is
Q.55 Correct
Q.55 In-correct
Q.55 Unattempt
The energy gap in case of which of the following is less than 3 eV ?
The energy gap in case of which of the following is less than 3 eV ?
Q.56 Correct
Q.56 In-correct
Q.56 Unattempt
Which of the following semi-conducting devices is used as voltage regulator ?
Which of the following semi-conducting devices is used as voltage regulator ?
Q.57 Correct
Q.57 In-correct
Q.57 Unattempt
In the three parts of a transistor, 'Emitter' is of
In the three parts of a transistor, 'Emitter' is of
Q.58 Correct
Q.58 In-correct
Q.58 Unattempt
In the figure shown, if the diode forward voltage drop is 0.2 V, the voltage difference between A and B is
In the figure shown, if the diode forward voltage drop is 0.2 V, the voltage difference between A and B is
Q.59 Correct
Q.59 In-correct
Q.59 Unattempt
Which of the following logic gates is considered as 'universal' ?
Which of the following logic gates is considered as 'universal' ?
Q.60 Correct
Q.60 In-correct
Q.60 Unattempt
A basic communication system consists of
(a) Transmitter
(b) Information source
(c) User of information
(d) Channel
(e) Receiver
The correct sequence of the arrangement is
A basic communication system consists of
(a) Transmitter
(b) Information source
(c) User of information
(d) Channel
(e) Receiver
The correct sequence of the arrangement is
Q.1 Correct
Q.1 In-correct
Q.1 Unattempt
If 3.01 x 1020 molecules are removed from 98 mg of H2SO4 , then number of moles of H2SO4 left are
If 3.01 x 1020 molecules are removed from 98 mg of H2SO4 , then number of moles of H2SO4 left are
Q.2 Correct
Q.2 In-correct
Q.2 Unattempt
The correct set of quantum number for the unpaired electrons of chlorine atom is
The correct set of quantum number for the unpaired electrons of chlorine atom is
Q.3 Correct
Q.3 In-correct
Q.3 Unattempt
The electronegativities of C, N, Si and P are in the order of
The electronegativities of C, N, Si and P are in the order of
Q.4 Correct
Q.4 In-correct
Q.4 Unattempt
Which of the following structure of a molecule is expected to have three bond pairs and one lone pair of electrons ?
Which of the following structure of a molecule is expected to have three bond pairs and one lone pair of electrons ?
Q.5 Correct
Q.5 In-correct
Q.5 Unattempt
Which of the following is the correct electron dot structure of N2O molecule ?
Which of the following is the correct electron dot structure of N2O molecule ?
Q.6 Correct
Q.6 In-correct
Q.6 Unattempt
The pressure of real gases is less than that of ideal gas because of
The pressure of real gases is less than that of ideal gas because of
Q.7 Correct
Q.7 In-correct
Q.7 Unattempt
A reaction has both △H and △S - ve. The rate of reaction
A reaction has both △H and △S - ve. The rate of reaction
Q.8 Correct
Q.8 In-correct
Q.8 Unattempt
The equilibrium constant for the reaction
N2(g)+O2(g)⇌2NO(g) is 4×10−4 at 2000 K. In presence of a catalyst the equilibrium is attained ten times faster. Therefore the equilibrium constant in presence of catalyst of 2000 K is
The equilibrium constant for the reaction
N2(g)+O2(g)⇌2NO(g) is 4×10−4 at 2000 K. In presence of a catalyst the equilibrium is attained ten times faster. Therefore the equilibrium constant in presence of catalyst of 2000 K is
Q.9 Correct
Q.9 In-correct
Q.9 Unattempt
The reaction quotient 'Qc' is useful in predicting the direction of the reaction. Which of the following is incorrect ?
The reaction quotient 'Qc' is useful in predicting the direction of the reaction. Which of the following is incorrect ?
Q.10 Correct
Q.10 In-correct
Q.10 Unattempt
3ClO3−(aq)→ClO−(aq)+2Cl−(aq)
is an example of
3ClO3−(aq)→ClO−(aq)+2Cl−(aq)
is an example of
Q.11 Correct
Q.11 In-correct
Q.11 Unattempt
In the manufacture of hydrogen from water gas (CO + H2) , which of the following is correct statement ?
In the manufacture of hydrogen from water gas (CO + H2) , which of the following is correct statement ?
Q.12 Correct
Q.12 In-correct
Q.12 Unattempt
Plaster of Paris is represented as
Plaster of Paris is represented as
Q.13 Correct
Q.13 In-correct
Q.13 Unattempt
Addition of mineral acid to an aqueous solution of Borax, the following compound is formed
Addition of mineral acid to an aqueous solution of Borax, the following compound is formed
Q.14 Correct
Q.14 In-correct
Q.14 Unattempt
Identify the correct statement in the following :
Identify the correct statement in the following :
Q.15 Correct
Q.15 In-correct
Q.15 Unattempt
In which of the following, homolytic bond fission takes place ?
In which of the following, homolytic bond fission takes place ?
Q.16 Correct
Q.16 In-correct
Q.16 Unattempt
For the preparation of alkanes, aqueous solution of sodium or potassium salt of carboxylic acid is subjected to
For the preparation of alkanes, aqueous solution of sodium or potassium salt of carboxylic acid is subjected to
Q.17 Correct
Q.17 In-correct
Q.17 Unattempt
Which one of the following is not a common component of photo-chemical smog ?
Which one of the following is not a common component of photo-chemical smog ?
Q.18 Correct
Q.18 In-correct
Q.18 Unattempt
Which of the following crystal has unit cell such that a ≠ b ≠ c and α ≠ β ≠ γ ≠ 90° ?
Which of the following crystal has unit cell such that a ≠ b ≠ c and α ≠ β ≠ γ ≠ 90° ?
Q.19 Correct
Q.19 In-correct
Q.19 Unattempt
The correct statement regarding defect in solids is
The correct statement regarding defect in solids is
Q.20 Correct
Q.20 In-correct
Q.20 Unattempt
In a face centred cubic arrangement of A and B atoms in which 'A' atoms are at the corners of the unit cell and 'B' atoms are at the face centers. One of the 'A' atom is missing from one corner in unit cell.the simplest formula of the compound is
In a face centred cubic arrangement of A and B atoms in which 'A' atoms are at the corners of the unit cell and 'B' atoms are at the face centers. One of the 'A' atom is missing from one corner in unit cell.the simplest formula of the compound is
Q.21 Correct
Q.21 In-correct
Q.21 Unattempt
Which of the following aqueous solution has highest freezing point ?
Which of the following aqueous solution has highest freezing point ?
Q.22 Correct
Q.22 In-correct
Q.22 Unattempt
The Vant Hoffs factor 'i' accounts for
The Vant Hoffs factor 'i' accounts for
Q.23 Correct
Q.23 In-correct
Q.23 Unattempt
When the pure solvent diffuses out of the solution through the semi-permeable membrane then the process is called
When the pure solvent diffuses out of the solution through the semi-permeable membrane then the process is called
Q.24 Correct
Q.24 In-correct
Q.24 Unattempt
The standard reduction potential at 298 K for the following half cell reaction
Zn2+(aq)+2e−→Zn(s);‌‌E°=−0.762V
Cr3+(aq)+3e−→Cr(s)‌;‌‌E°=0.740V
2H+(aq)+2e−→H2(g);‌‌E°=0.0V
F2(g)+2e−→2F−(aq);‌‌‌E°=2.87V
Which of the following is strongest reducing agent ?
The standard reduction potential at 298 K for the following half cell reaction
Zn2+(aq)+2e−→Zn(s);‌‌E°=−0.762V
Cr3+(aq)+3e−→Cr(s)‌;‌‌E°=0.740V
2H+(aq)+2e−→H2(g);‌‌E°=0.0V
F2(g)+2e−→2F−(aq);‌‌‌E°=2.87V
Which of the following is strongest reducing agent ?
Q.25 Correct
Q.25 In-correct
Q.25 Unattempt
By passing electric current, NaClO3 is converted into NaClO4 according to the following equation
NaClO3+H2O→NaClO4+H2
How many moles of NaClO4 will be formed when three Faradays of charge is passed through NaClO3 ?
By passing electric current, NaClO3 is converted into NaClO4 according to the following equation
NaClO3+H2O→NaClO4+H2
How many moles of NaClO4 will be formed when three Faradays of charge is passed through NaClO3 ?
Q.26 Correct
Q.26 In-correct
Q.26 Unattempt
In the electrolysis of aqueous sodium chloride solution, which of the half cell reaction will occur at anode ?
In the electrolysis of aqueous sodium chloride solution, which of the half cell reaction will occur at anode ?
Q.27 Correct
Q.27 In-correct
Q.27 Unattempt
Which of the following statement is in accordance with the Arrhenius equation ?
Which of the following statement is in accordance with the Arrhenius equation ?
Q.28 Correct
Q.28 In-correct
Q.28 Unattempt
Which of the following statement is incorrect ?
Which of the following statement is incorrect ?
Q.29 Correct
Q.29 In-correct
Q.29 Unattempt
For a reaction
1
2
A→2B rate of disappearance of A is related to rate of appearance of B by the expression
For a reaction
1
2
A→2B rate of disappearance of A is related to rate of appearance of B by the expression
Q.30 Correct
Q.30 In-correct
Q.30 Unattempt
The process which is responsible for the formation of delta at a place where rivers meets the sea is
The process which is responsible for the formation of delta at a place where rivers meets the sea is
Q.31 Correct
Q.31 In-correct
Q.31 Unattempt
Hydrogenation of vegetable oils in presence of finely divided Nickel as catalyst. The reaction is
Hydrogenation of vegetable oils in presence of finely divided Nickel as catalyst. The reaction is
Q.32 Correct
Q.32 In-correct
Q.32 Unattempt
Which of the following is not a favourable condition for physical adsorption ?
Which of the following is not a favourable condition for physical adsorption ?
Q.33 Correct
Q.33 In-correct
Q.33 Unattempt
The metal extracted by leaching with a cyanide is
The metal extracted by leaching with a cyanide is
Q.34 Correct
Q.34 In-correct
Q.34 Unattempt
Extraction of chlorine from brine solution is based on
Extraction of chlorine from brine solution is based on
Q.35 Correct
Q.35 In-correct
Q.35 Unattempt
Which of the following element forms pπ−pπ bond with itself ?
Which of the following element forms pπ−pπ bond with itself ?
Q.36 Correct
Q.36 In-correct
Q.36 Unattempt
Which one of the following metallic oxide exhibit amphoteric nature ?
Which one of the following metallic oxide exhibit amphoteric nature ?
Q.37 Correct
Q.37 In-correct
Q.37 Unattempt
Select wrong chemical reaction among the following:
Select wrong chemical reaction among the following:
Q.38 Correct
Q.38 In-correct
Q.38 Unattempt
Which one of the following noble gas has an unusual property of diffusing through the materials such as rubber, glass or plastic ?
Which one of the following noble gas has an unusual property of diffusing through the materials such as rubber, glass or plastic ?
Q.39 Correct
Q.39 In-correct
Q.39 Unattempt
The magnetic nature of elements depends on the presence of unpaired electrons. Identify the configuration of transition elements which shows highest magnetic moment ?
The magnetic nature of elements depends on the presence of unpaired electrons. Identify the configuration of transition elements which shows highest magnetic moment ?
Q.40 Correct
Q.40 In-correct
Q.40 Unattempt
Which of the following statement is wrong regarding lanthanoids ?
Which of the following statement is wrong regarding lanthanoids ?
Q.41 Correct
Q.41 In-correct
Q.41 Unattempt
Square planar complex of the type MAXBL (where A, B, X and L are unidentate ligands)shows following set of isomers
Square planar complex of the type MAXBL (where A, B, X and L are unidentate ligands)shows following set of isomers
Q.42 Correct
Q.42 In-correct
Q.42 Unattempt
According to crystal field theory, the M - Lbond in a complex is
According to crystal field theory, the M - Lbond in a complex is
Q.43 Correct
Q.43 In-correct
Q.43 Unattempt
The co-ordination number and the oxidation state of the element 'M' in the complex
[M(en)2(C2O4)]NO2 [where (en) is ethan-1,2 — diamine] are respectively
The co-ordination number and the oxidation state of the element 'M' in the complex
[M(en)2(C2O4)]NO2 [where (en) is ethan-1,2 — diamine] are respectively
Q.44 Correct
Q.44 In-correct
Q.44 Unattempt
Toluene reacts with halogen in presence of iron (III) chloride giving ortho and para halo compounds. The reaction is
Toluene reacts with halogen in presence of iron (III) chloride giving ortho and para halo compounds. The reaction is
Q.45 Correct
Q.45 In-correct
Q.45 Unattempt
In the following sequence of reactions
CH3‌Br‌
KCN
–––––––>
‌A‌
H2O
–––––––>
‌B‌
LiA‌/‌H4
–––––––>
C
The final product C is
In the following sequence of reactions
CH3‌Br‌
KCN
–––––––>
‌A‌
H2O
–––––––>
‌B‌
LiA‌/‌H4
–––––––>
C
The final product C is
Q.46 Correct
Q.46 In-correct
Q.46 Unattempt
Which of the following order is true regardingthe acidic nature of phenol ?
Which of the following order is true regardingthe acidic nature of phenol ?
Q.47 Correct
Q.47 In-correct
Q.47 Unattempt
Which of the following reagent cannot be usedto oxidize primary alcohols to aldehydes ?
Which of the following reagent cannot be usedto oxidize primary alcohols to aldehydes ?
Q.48 Correct
Q.48 In-correct
Q.48 Unattempt
Cannizzaro's reaction is an example of auto oxidation
Cannizzaro's reaction is an example of auto oxidation
Q.49 Correct
Q.49 In-correct
Q.49 Unattempt
Lower members of aliphatic carboxylic acidare soluble in water. This is due to
Lower members of aliphatic carboxylic acidare soluble in water. This is due to
Q.50 Correct
Q.50 In-correct
Q.50 Unattempt
The correct order of increasing basic nature forthe bases NH3,CH3NH2 and (CH3)2NH inaqueous solutions
The correct order of increasing basic nature forthe bases NH3,CH3NH2 and (CH3)2NH inaqueous solutions
Q.51 Correct
Q.51 In-correct
Q.51 Unattempt
The product formed during the following reaction are
CH3−
CH3
|
C
|
CH3
−O−CH3+HI → ?
The product formed during the following reaction are
CH3−
CH3
|
C
|
CH3
−O−CH3+HI → ?
Q.52 Correct
Q.52 In-correct
Q.52 Unattempt
Reduction of ketones cannot be carried outwith which of the following
reagents ?
Reduction of ketones cannot be carried outwith which of the following
reagents ?
Q.53 Correct
Q.53 In-correct
Q.53 Unattempt
Gabriel phthalimide synthesis is used in thepreparation of primary amine fromphthalimide, which of the following reagent isnot used during the process ?
Gabriel phthalimide synthesis is used in thepreparation of primary amine fromphthalimide, which of the following reagent isnot used during the process ?
Q.54 Correct
Q.54 In-correct
Q.54 Unattempt
The Glycosidic linkage present in sucrose isbetween
The Glycosidic linkage present in sucrose isbetween
Q.55 Correct
Q.55 In-correct
Q.55 Unattempt
Hormones are secreted by ductless glands ofhuman body. Iodine containing hormone is
Hormones are secreted by ductless glands ofhuman body. Iodine containing hormone is
Q.56 Correct
Q.56 In-correct
Q.56 Unattempt
Pick the wrong statement from the following :
Pick the wrong statement from the following :
Q.57 Correct
Q.57 In-correct
Q.57 Unattempt
The monomer used in Novolac, a polymer usedin paints
The monomer used in Novolac, a polymer usedin paints
Q.58 Correct
Q.58 In-correct
Q.58 Unattempt
Which of the following is not a biodegradablepolymer ?
Which of the following is not a biodegradablepolymer ?
Q.59 Correct
Q.59 In-correct
Q.59 Unattempt
Bactericidal antibiotics among the following is
Bactericidal antibiotics among the following is
Q.60 Correct
Q.60 In-correct
Q.60 Unattempt
Pick the correct statement among the following :
Pick the correct statement among the following :
Q.1 Correct
Q.1 In-correct
Q.1 Unattempt
Identify the ‘order’ from the following.
Identify the ‘order’ from the following.
Q.2 Correct
Q.2 In-correct
Q.2 Unattempt
Which of the following options show the characters of mycoplasma ?
Which of the following options show the characters of mycoplasma ?
Q.3 Correct
Q.3 In-correct
Q.3 Unattempt
Which class of Algae reproduces asexually by non-motile spores and sexually by non-motile gametes?
Which class of Algae reproduces asexually by non-motile spores and sexually by non-motile gametes?
Q.4 Correct
Q.4 In-correct
Q.4 Unattempt
Which of the following plants produce zygomorphic flowers?
Which of the following plants produce zygomorphic flowers?
Q.5 Correct
Q.5 In-correct
Q.5 Unattempt
The secondary wall material suberin is deposited on the walls of :
The secondary wall material suberin is deposited on the walls of :
Q.6 Correct
Q.6 In-correct
Q.6 Unattempt
The type of epithelium found in the fallopian tube which functions to move particles or mucous in specific direction is:
The type of epithelium found in the fallopian tube which functions to move particles or mucous in specific direction is:
Q.7 Correct
Q.7 In-correct
Q.7 Unattempt
Which one of the following is not included under endomembrane system?
Which one of the following is not included under endomembrane system?
Q.8 Correct
Q.8 In-correct
Q.8 Unattempt
In the following diagrammatic representation of a standard ECG the ‘T’ represents.
In the following diagrammatic representation of a standard ECG the ‘T’ represents.
Q.9 Correct
Q.9 In-correct
Q.9 Unattempt
Which of the following is not a characteristic of facilitated transport ?
Which of the following is not a characteristic of facilitated transport ?
Q.10 Correct
Q.10 In-correct
Q.10 Unattempt
Identify the elements whose deficiency causes both necrosis and chlorosis.
Identify the elements whose deficiency causes both necrosis and chlorosis.
Q.11 Correct
Q.11 In-correct
Q.11 Unattempt
The outcome of Calvin cycle includes:
The outcome of Calvin cycle includes:
Q.12 Correct
Q.12 In-correct
Q.12 Unattempt
The number of ATP molecules utilized for the breakdown of one molecule of glucose during glycolysis is:
The number of ATP molecules utilized for the breakdown of one molecule of glucose during glycolysis is:
Q.13 Correct
Q.13 In-correct
Q.13 Unattempt
Match the enzymes of Column I with the functions of Column II. Choose the correct option

Match the enzymes of Column I with the functions of Column II. Choose the correct option
Q.14 Correct
Q.14 In-correct
Q.14 Unattempt
The volume of air inspired or expired by a healthy man per minute is:
The volume of air inspired or expired by a healthy man per minute is:
Q.15 Correct
Q.15 In-correct
Q.15 Unattempt
The blood cell that secretes histamine, serotonin and heparin is:
The blood cell that secretes histamine, serotonin and heparin is:
Q.16 Correct
Q.16 In-correct
Q.16 Unattempt
The hormones involved in maintaining calcium balance in the human body are:
The hormones involved in maintaining calcium balance in the human body are:
Q.17 Correct
Q.17 In-correct
Q.17 Unattempt
Amoeba is immortal because:
Amoeba is immortal because:
Q.18 Correct
Q.18 In-correct
Q.18 Unattempt
Which of the following is not a pre-fertilisation events in higher organisms?
Which of the following is not a pre-fertilisation events in higher organisms?
Q.19 Correct
Q.19 In-correct
Q.19 Unattempt
If a tetraploid plant contains 48 chromosomes in its nucellus,then number of chromosomes in the egg cell and in a synergid respectively:
If a tetraploid plant contains 48 chromosomes in its nucellus,then number of chromosomes in the egg cell and in a synergid respectively:
Q.20 Correct
Q.20 In-correct
Q.20 Unattempt
Pollen grains are generally spherical, measuring about:
Pollen grains are generally spherical, measuring about:
Q.21 Correct
Q.21 In-correct
Q.21 Unattempt
Which of the following characters is not required for autogamy?
Which of the following characters is not required for autogamy?
Q.22 Correct
Q.22 In-correct
Q.22 Unattempt
Which one of the following characters favours the process of normal spermatogenesis in human male?
Which one of the following characters favours the process of normal spermatogenesis in human male?
Q.23 Correct
Q.23 In-correct
Q.23 Unattempt
Accessory ducts of reproductive system of human female include:
Accessory ducts of reproductive system of human female include:
Q.24 Correct
Q.24 In-correct
Q.24 Unattempt
In human females, the number of primary follicles left in each ovary at puberty is:
In human females, the number of primary follicles left in each ovary at puberty is:
Q.25 Correct
Q.25 In-correct
Q.25 Unattempt
Implantation is influenced by:
Implantation is influenced by:
Q.26 Correct
Q.26 In-correct
Q.26 Unattempt
In India the action plans for family planning were initiated in the year:
In India the action plans for family planning were initiated in the year:
Q.27 Correct
Q.27 In-correct
Q.27 Unattempt
The inner cell mass of blastocyst becomes:
The inner cell mass of blastocyst becomes:
Q.28 Correct
Q.28 In-correct
Q.28 Unattempt
Example for autosomal hyper aneuploidy is:
Example for autosomal hyper aneuploidy is:
Q.29 Correct
Q.29 In-correct
Q.29 Unattempt
In dihybrid cross, when F1 plants (RrYy) are self-hybridised, the ratio of segregation of yellow and green in F2 is:
In dihybrid cross, when F1 plants (RrYy) are self-hybridised, the ratio of segregation of yellow and green in F2 is:
Q.30 Correct
Q.30 In-correct
Q.30 Unattempt
Replacement of which one of the following nucleotides in the HbA gene causes sickle cell anaemia?
Replacement of which one of the following nucleotides in the HbA gene causes sickle cell anaemia?
Q.31 Correct
Q.31 In-correct
Q.31 Unattempt
The type of sex determination in honey bee is:
The type of sex determination in honey bee is:
Q.32 Correct
Q.32 In-correct
Q.32 Unattempt
Match the number of nucleotides of genome of Column I with the organisms of Column II. Choose the correct option given below.

Match the number of nucleotides of genome of Column I with the organisms of Column II. Choose the correct option given below.
Q.33 Correct
Q.33 In-correct
Q.33 Unattempt
The average length of hnRNA in humans is:
The average length of hnRNA in humans is:
Q.34 Correct
Q.34 In-correct
Q.34 Unattempt
If E. coli is allowed to grow for 40 minutes in a medium containing N15, then the number of N14/N14 containing DNA would be:
If E. coli is allowed to grow for 40 minutes in a medium containing N15, then the number of N14/N14 containing DNA would be:
Q.35 Correct
Q.35 In-correct
Q.35 Unattempt
Polymerisation of DNA nucleotides during the synthesis of lagging strand occurs in:
Polymerisation of DNA nucleotides during the synthesis of lagging strand occurs in:
Q.36 Correct
Q.36 In-correct
Q.36 Unattempt
In lac-operon concept of gene expression, allolactose acts as:
In lac-operon concept of gene expression, allolactose acts as:
Q.37 Correct
Q.37 In-correct
Q.37 Unattempt
The anticodon found on the t-RNA for tryptophan amino acid is:
The anticodon found on the t-RNA for tryptophan amino acid is:
Q.38 Correct
Q.38 In-correct
Q.38 Unattempt
Which one of the following is the identifiable character of Neanderthal man?
Which one of the following is the identifiable character of Neanderthal man?
Q.39 Correct
Q.39 In-correct
Q.39 Unattempt
Identify the plants that are dominant during Jurassic period.
Identify the plants that are dominant during Jurassic period.
Q.40 Correct
Q.40 In-correct
Q.40 Unattempt
In humans, common cold is caused by:
In humans, common cold is caused by:
Q.41 Correct
Q.41 In-correct
Q.41 Unattempt
Which of the following vector-borne diseases caused by Aedes mosquitoes?
Which of the following vector-borne diseases caused by Aedes mosquitoes?
Q.42 Correct
Q.42 In-correct
Q.42 Unattempt
Morphine is obtained from the:
Morphine is obtained from the:
Q.43 Correct
Q.43 In-correct
Q.43 Unattempt
Inbreeding depression occurs due to continuous:
Inbreeding depression occurs due to continuous:
Q.44 Correct
Q.44 In-correct
Q.44 Unattempt
Identify the correct combination of crop-variety and insect pests.
Identify the correct combination of crop-variety and insect pests.
Q.45 Correct
Q.45 In-correct
Q.45 Unattempt
Which of the following crop is developed by mutation breeding, that is resistant to yellow mosaic virus and powdery mildew?
Which of the following crop is developed by mutation breeding, that is resistant to yellow mosaic virus and powdery mildew?
Q.46 Correct
Q.46 In-correct
Q.46 Unattempt
Which one of the following has been commercialised as blood-cholesterol lowering agent?
Which one of the following has been commercialised as blood-cholesterol lowering agent?
Q.47 Correct
Q.47 In-correct
Q.47 Unattempt
As the organic matter increases in a water body, the BOD:
As the organic matter increases in a water body, the BOD:
Q.48 Correct
Q.48 In-correct
Q.48 Unattempt
Restriction endonucleases are isolated from some bacteria. Their role in bacteria is:
Restriction endonucleases are isolated from some bacteria. Their role in bacteria is:
Q.49 Correct
Q.49 In-correct
Q.49 Unattempt
From which bacterium the REN-Sal-I is isolated?
From which bacterium the REN-Sal-I is isolated?
Q.50 Correct
Q.50 In-correct
Q.50 Unattempt
A transformed bacterium with human gene, fails to produce desired protein. The reason could be:
A transformed bacterium with human gene, fails to produce desired protein. The reason could be:
Q.51 Correct
Q.51 In-correct
Q.51 Unattempt
Read the statements and choose the correct option:
Statement I: RNAi take place in all prokaryotic and eukaryotic organisms as a method of cellular defence.
Statement II: RNA interference is a pre-translational process.
Read the statements and choose the correct option:
Statement I: RNAi take place in all prokaryotic and eukaryotic organisms as a method of cellular defence.
Statement II: RNA interference is a pre-translational process.
Q.52 Correct
Q.52 In-correct
Q.52 Unattempt
The human protein α-1 antitrypsin is obtained from:
The human protein α-1 antitrypsin is obtained from:
Q.53 Correct
Q.53 In-correct
Q.53 Unattempt
Psammophytes are growing in/on:
Psammophytes are growing in/on:
Q.54 Correct
Q.54 In-correct
Q.54 Unattempt
A plant shows the following modifications:
A. Leaves covered with dense hairs
B. Leaf surface shiny or glorious
C. Leaf blade remains rolled during day
The adaptation of the plant is to:
A plant shows the following modifications:
A. Leaves covered with dense hairs
B. Leaf surface shiny or glorious
C. Leaf blade remains rolled during day
The adaptation of the plant is to:
Q.55 Correct
Q.55 In-correct
Q.55 Unattempt
Mac Arthur’s vision of 5 closely related species of warblers living on same tree were able to avoid competition and co-exist by behavioural difference. This is an example for:
Mac Arthur’s vision of 5 closely related species of warblers living on same tree were able to avoid competition and co-exist by behavioural difference. This is an example for:
Q.56 Correct
Q.56 In-correct
Q.56 Unattempt
Climax community is a state of :
Climax community is a state of :
Q.57 Correct
Q.57 In-correct
Q.57 Unattempt
The process of decomposition delays when:
The process of decomposition delays when:
Q.58 Correct
Q.58 In-correct
Q.58 Unattempt
The variety of indigenous cows is an example for:
The variety of indigenous cows is an example for:
Q.59 Correct
Q.59 In-correct
Q.59 Unattempt
So far 1.5 million species are identified, in which the number of fungi species identified is more than the combined total of:
So far 1.5 million species are identified, in which the number of fungi species identified is more than the combined total of:
Q.60 Correct
Q.60 In-correct
Q.60 Unattempt
The safe method of disposal of e-waste is:
The safe method of disposal of e-waste is:
Get latest Exam Updates
& Study Material Alerts!
No, Thanks
Click on Allow to receive notifications
×
Open Now