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Solution
Q.1 Correct
Q.1 In-correct
Q.1 Unattempt
If | 3x - 5| ≤ 2 then
If | 3x - 5| ≤ 2 then
Q.2 Correct
Q.2 In-correct
Q.2 Unattempt
A random variable ‘X’ has the following probability distribution

Then the value of k is
A random variable ‘X’ has the following probability distribution

Then the value of k is
Q.3 Correct
Q.3 In-correct
Q.3 Unattempt
If A and B are two events of a sample space S such that P(A) = 0.2, P(B) = 0.6 and P(A | B) = 0.5 then P(A' | B) =
If A and B are two events of a sample space S such that P(A) = 0.2, P(B) = 0.6 and P(A | B) = 0.5 then P(A' | B) =
Q.4 Correct
Q.4 In-correct
Q.4 Unattempt
If ‘X’ has a binomial distribution with parameters n = 6, p and P(X = 2) = 12, P(X = 3) = 5 then P =
If ‘X’ has a binomial distribution with parameters n = 6, p and P(X = 2) = 12, P(X = 3) = 5 then P =
Q.5 Correct
Q.5 In-correct
Q.5 Unattempt
A man speaks truth 2 out of 3 times. He picks one of the natural numbers in the set S = {1, 2, 3, 4, 5, 6, 7} and reports that it is even. The probability that it is actually even is
A man speaks truth 2 out of 3 times. He picks one of the natural numbers in the set S = {1, 2, 3, 4, 5, 6, 7} and reports that it is even. The probability that it is actually even is
Q.6 Correct
Q.6 In-correct
Q.6 Unattempt
3
∫
−3
cot−1 xdx =
3
∫
−3
cot−1 xdx =
Q.7 Correct
Q.7 In-correct
Q.7 Unattempt
∫
1
√x+x√x
dx=
∫
1
√x+x√x
dx=
Q.8 Correct
Q.8 In-correct
Q.8 Unattempt
∫
2x−1
(x−1)(x+2)(x−3)
 d x = A‌log|x−1| + B‌log|x+2| + C‌log|x−3| + K, then A, B, C are respectively
∫
2x−1
(x−1)(x+2)(x−3)
 d x = A‌log|x−1| + B‌log|x+2| + C‌log|x−3| + K, then A, B, C are respectively
Q.9 Correct
Q.9 In-correct
Q.9 Unattempt
2
∫
0
[x2] dx
2
∫
0
[x2] dx
Q.10 Correct
Q.10 In-correct
Q.10 Unattempt
1
∫
0
√
1+x
1−x
dx=
1
∫
0
√
1+x
1−x
dx=
Q.11 Correct
Q.11 In-correct
Q.11 Unattempt
The inverse of the matrix [
250
011
−103
] is
The inverse of the matrix [
250
011
−103
] is
Q.12 Correct
Q.12 In-correct
Q.12 Unattempt
If P and Q are symmetric matrices of the same order then PQ - QP is
If P and Q are symmetric matrices of the same order then PQ - QP is
Q.13 Correct
Q.13 In-correct
Q.13 Unattempt
If 3A + 4B' = [
7−1017
0631
] and 2B - 3A' = [
-118
40
5−7
] then B =
If 3A + 4B' = [
7−1017
0631
] and 2B - 3A' = [
-118
40
5−7
] then B =
Q.14 Correct
Q.14 In-correct
Q.14 Unattempt
If A = [
13
42
] , B = [
2−1
12
] then | ABB' | =
If A = [
13
42
] , B = [
2−1
12
] then | ABB' | =
Q.15 Correct
Q.15 In-correct
Q.15 Unattempt
If the value of a third order determinant is 16, then the value of the determinant formed by replacing each of its elements by its co factor is
If the value of a third order determinant is 16, then the value of the determinant formed by replacing each of its elements by its co factor is
Q.16 Correct
Q.16 In-correct
Q.16 Unattempt
If U is the universal set with 100 elements; A and B are two sets such that n(A) = 50, n(B) = 60, n(A ∩ B) = 20 then n(A' ∩ B') =
If U is the universal set with 100 elements; A and B are two sets such that n(A) = 50, n(B) = 60, n(A ∩ B) = 20 then n(A' ∩ B') =
Q.17 Correct
Q.17 In-correct
Q.17 Unattempt
The domain of the function f : R → R defined by f(x) = √x2−7x+12 is
The domain of the function f : R → R defined by f(x) = √x2−7x+12 is
Q.18 Correct
Q.18 In-correct
Q.18 Unattempt
If cos x = |sin x| then, the general solution is
If cos x = |sin x| then, the general solution is
Q.19 Correct
Q.19 In-correct
Q.19 Unattempt
√3cosec 20° - sec 20° =
√3cosec 20° - sec 20° =
Q.20 Correct
Q.20 In-correct
Q.20 Unattempt
If P(n) : 2n < n! then the smallest positive integer for which P(n) is true, is
If P(n) : 2n < n! then the smallest positive integer for which P(n) is true, is
Q.21 Correct
Q.21 In-correct
Q.21 Unattempt
Foot of the perpendicular drawn from the point (1, 3, 4) to the plane 2x – y + z + 3 = 0 is
Foot of the perpendicular drawn from the point (1, 3, 4) to the plane 2x – y + z + 3 = 0 is
Q.22 Correct
Q.22 In-correct
Q.22 Unattempt
Acute angle between the line
x−5
2
=
y+1
−1
=
z+4
1
 and the plane 3x – 4y – z + 5 = 0 is
Acute angle between the line
x−5
2
=
y+1
−1
=
z+4
1
 and the plane 3x – 4y – z + 5 = 0 is
Q.23 Correct
Q.23 In-correct
Q.23 Unattempt
The distance of the point (1, 2, 1) from the line
x−1
2
=
y−2
1
 =
z−3
2
 is
The distance of the point (1, 2, 1) from the line
x−1
2
=
y−2
1
 =
z−3
2
 is
Q.24 Correct
Q.24 In-correct
Q.24 Unattempt
XY- plane divides the line joining the points A(2, 3, –5) and B(–1, –2, –3) in the ratio
XY- plane divides the line joining the points A(2, 3, –5) and B(–1, –2, –3) in the ratio
Q.25 Correct
Q.25 In-correct
Q.25 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.26 Correct
Q.26 In-correct
Q.26 Unattempt
If α and β are roots of the equation x2 + x + 1 = 0 then α2+β2 is
If α and β are roots of the equation x2 + x + 1 = 0 then α2+β2 is
Q.27 Correct
Q.27 In-correct
Q.27 Unattempt
The number of 4 digit numbers without repetition that can be formed using the digits 1, 2, 3, 4, 5, 6, 7 in which each number has two odd digits and two even digits is
The number of 4 digit numbers without repetition that can be formed using the digits 1, 2, 3, 4, 5, 6, 7 in which each number has two odd digits and two even digits is
Q.28 Correct
Q.28 In-correct
Q.28 Unattempt
The number of terms in the expansion of (x2+y2)25 - (x2−y2)25 after simplification is
The number of terms in the expansion of (x2+y2)25 - (x2−y2)25 after simplification is
Q.29 Correct
Q.29 In-correct
Q.29 Unattempt
The third term of a G.P. is 9. The product of its first five terms is
The third term of a G.P. is 9. The product of its first five terms is
Q.30 Correct
Q.30 In-correct
Q.30 Unattempt
A line cuts off equal intercepts on the co-ordinate axes. The angle made by this line with the positive direction of X-axis is
A line cuts off equal intercepts on the co-ordinate axes. The angle made by this line with the positive direction of X-axis is
Q.31 Correct
Q.31 In-correct
Q.31 Unattempt
The order of the differential equation y=c1ec2+x+c3ec4+x is
The order of the differential equation y=c1ec2+x+c3ec4+x is
Q.32 Correct
Q.32 In-correct
Q.32 Unattempt
If |
→
a
| = 16, |
→
b
| = 4 then, √|
→
a
×
→
b
|2+|
→
a
→
b
|2
If |
→
a
| = 16, |
→
b
| = 4 then, √|
→
a
×
→
b
|2+|
→
a
→
b
|2
Q.33 Correct
Q.33 In-correct
Q.33 Unattempt
If the angle between
→
a
 and
→
b
 is
2π
3
 and the projection of
→
a
 in the direction of
→
b
 is - 2, then | a | =
If the angle between
→
a
 and
→
b
 is
2π
3
 and the projection of
→
a
 in the direction of
→
b
 is - 2, then | a | =
Q.34 Correct
Q.34 In-correct
Q.34 Unattempt
A unit vector perpendicular to the plane containing the vectors
^
i
+2
^
j
+
^
k
 and −2
^
i
+
^
j
+3
^
k
 is
A unit vector perpendicular to the plane containing the vectors
^
i
+2
^
j
+
^
k
 and −2
^
i
+
^
j
+3
^
k
 is
Q.35 Correct
Q.35 In-correct
Q.35 Unattempt
[
→
a
+2
→
b
−
→
c
,
→
a
−
→
b
,
→
a
−
→
b
−
→
c
] =
[
→
a
+2
→
b
−
→
c
,
→
a
−
→
b
,
→
a
−
→
b
−
→
c
] =
Q.36 Correct
Q.36 In-correct
Q.36 Unattempt
f : R → R and g: [0, ∞) → R is defined by f(x) = x2 and g(x) = √x . Which one of the following is not true?
f : R → R and g: [0, ∞) → R is defined by f(x) = x2 and g(x) = √x . Which one of the following is not true?
Q.37 Correct
Q.37 In-correct
Q.37 Unattempt
If A = {x | x ∊ N , x ≤ 5} , B = {x | x ∊ Z , x2 - 5x + 6 = 0} , then the number of onto functions from A to B is
If A = {x | x ∊ N , x ≤ 5} , B = {x | x ∊ Z , x2 - 5x + 6 = 0} , then the number of onto functions from A to B is
Q.38 Correct
Q.38 In-correct
Q.38 Unattempt
On the set of positive rationals, a binary operation * is defined by a * b =
2ab
5
 . If 2 * x = 3−1 then x =
On the set of positive rationals, a binary operation * is defined by a * b =
2ab
5
 . If 2 * x = 3−1 then x =
Q.39 Correct
Q.39 In-correct
Q.39 Unattempt
cos [2sin−1
3
4
+cos−1
3
4
]
cos [2sin−1
3
4
+cos−1
3
4
]
Q.40 Correct
Q.40 In-correct
Q.40 Unattempt
If a +
π
2
 < 2tan−1x+3cot−1x < b then ‘a’ and ‘b’ are respectively.
If a +
π
2
 < 2tan−1x+3cot−1x < b then ‘a’ and ‘b’ are respectively.
Q.41 Correct
Q.41 In-correct
Q.41 Unattempt
If 3√y√x=6√(x+y)5 , then
dy
dx
=
If 3√y√x=6√(x+y)5 , then
dy
dx
=
Q.42 Correct
Q.42 In-correct
Q.42 Unattempt
Rolle’s theorem is not applicable in which one of the following cases?
Rolle’s theorem is not applicable in which one of the following cases?
Q.43 Correct
Q.43 In-correct
Q.43 Unattempt
The interval in which the function f(x) = x3−6x2 + 9x + 10 is increasing in
The interval in which the function f(x) = x3−6x2 + 9x + 10 is increasing in
Q.44 Correct
Q.44 In-correct
Q.44 Unattempt
The sides of an equilateral triangle are increasing at the rate of 4 cm/sec. The rate at which its area is increasing, when the side is 14 cm
The sides of an equilateral triangle are increasing at the rate of 4 cm/sec. The rate at which its area is increasing, when the side is 14 cm
Q.45 Correct
Q.45 In-correct
Q.45 Unattempt
The value of √24.99 is
The value of √24.99 is
Q.46 Correct
Q.46 In-correct
Q.46 Unattempt
∫x3‌sin‌3‌x‌d‌x=
∫x3‌sin‌3‌x‌d‌x=
Q.47 Correct
Q.47 In-correct
Q.47 Unattempt
The area of the region above X-axis included between the parabola y2 = x and the circle x2+y2 = 2x in square units is
The area of the region above X-axis included between the parabola y2 = x and the circle x2+y2 = 2x in square units is
Q.48 Correct
Q.48 In-correct
Q.48 Unattempt
The area of the region bounded by y-axis. y = cos x and y = sin x; 0 ≤ x ≤
π
2
 is
The area of the region bounded by y-axis. y = cos x and y = sin x; 0 ≤ x ≤
π
2
 is
Q.49 Correct
Q.49 In-correct
Q.49 Unattempt
The integrating factor of the differential equation (2x + 3y2 ) dy = y dx (y > 0) is
The integrating factor of the differential equation (2x + 3y2 ) dy = y dx (y > 0) is
Q.50 Correct
Q.50 In-correct
Q.50 Unattempt
The equation of the curve passing through the point (1, 1) such that the slope of the tangent at any point (x, y) is equal to the product of its co-ordinates is
The equation of the curve passing through the point (1, 1) such that the slope of the tangent at any point (x, y) is equal to the product of its co-ordinates is
Q.51 Correct
Q.51 In-correct
Q.51 Unattempt
The constant term in the expansion of |
3x+12x−1x+2
5x−13x+2x+1
7x−23x+14x−1
| is
The constant term in the expansion of |
3x+12x−1x+2
5x−13x+2x+1
7x−23x+14x−1
| is
Q.52 Correct
Q.52 In-correct
Q.52 Unattempt
If [x] represents the greatest integer function and f(x) = x - [x] - cos x then f′(
π
2
) =
If [x] represents the greatest integer function and f(x) = x - [x] - cos x then f′(
π
2
) =
Q.53 Correct
Q.53 In-correct
Q.53 Unattempt
If f (x) = {
sin3x
e2x−1
x≠0
k−2x=0
 is continuous at x = 0, then k =
If f (x) = {
sin3x
e2x−1
x≠0
k−2x=0
 is continuous at x = 0, then k =
Q.54 Correct
Q.54 In-correct
Q.54 Unattempt
If f(x)=sin−1[
2x+1
1+4x
], then f′(0)=
If f(x)=sin−1[
2x+1
1+4x
], then f′(0)=
Q.55 Correct
Q.55 In-correct
Q.55 Unattempt
If x = a sec2 θ, y = a tan2 θ then
d2y
dx2
 =
If x = a sec2 θ, y = a tan2 θ then
d2y
dx2
 =
Q.56 Correct
Q.56 In-correct
Q.56 Unattempt
The eccentricity of the ellipse 9x2+25y2 = 225 is
The eccentricity of the ellipse 9x2+25y2 = 225 is
Q.57 Correct
Q.57 In-correct
Q.57 Unattempt
n
Σ
r=1
(2r−1)=x then
lim
n→∞
[
13
x2
+
23
x2
+
33
x2
+...+
n3
x2
]=
n
Σ
r=1
(2r−1)=x then
lim
n→∞
[
13
x2
+
23
x2
+
33
x2
+...+
n3
x2
]=
Q.58 Correct
Q.58 In-correct
Q.58 Unattempt
The negation of the statement “All continuous functions are differentiable”
The negation of the statement “All continuous functions are differentiable”
Q.59 Correct
Q.59 In-correct
Q.59 Unattempt
Mean and standard deviation of 100 items are 50 and 4 respectively. The sum of all squares of the items is
Mean and standard deviation of 100 items are 50 and 4 respectively. The sum of all squares of the items is
Q.60 Correct
Q.60 In-correct
Q.60 Unattempt
Two letters are chosen from the letters of the word ‘EQUATIONS’. The probability that one is vowel and the other is consonant is
Two letters are chosen from the letters of the word ‘EQUATIONS’. The probability that one is vowel and the other is consonant is
Q.1 Correct
Q.1 In-correct
Q.1 Unattempt
In a cyclotron a charged particle
In a cyclotron a charged particle
Q.2 Correct
Q.2 In-correct
Q.2 Unattempt
The number of turns in a coil of Galvanometer is tripled, then
The number of turns in a coil of Galvanometer is tripled, then
Q.3 Correct
Q.3 In-correct
Q.3 Unattempt
A circular current loop of magnetic moment M is in an arbitrary orientation in an external uniform magnetic field
→
B
 . The work done to rotate the loop by 30° about an axis perpendicular to its plane is
A circular current loop of magnetic moment M is in an arbitrary orientation in an external uniform magnetic field
→
B
 . The work done to rotate the loop by 30° about an axis perpendicular to its plane is
Q.4 Correct
Q.4 In-correct
Q.4 Unattempt
In a permanent magnet at room temperature
In a permanent magnet at room temperature
Q.5 Correct
Q.5 In-correct
Q.5 Unattempt
Coersivity of a magnet where the ferromagnet gets completely demagnetized is 3 × 103Am−1 . The minimum current required to be passed in a solenoid having 1000 turns per metre, so that the magnet gets completely demagnetized when placed inside the solenoid is
Coersivity of a magnet where the ferromagnet gets completely demagnetized is 3 × 103Am−1 . The minimum current required to be passed in a solenoid having 1000 turns per metre, so that the magnet gets completely demagnetized when placed inside the solenoid is
Q.6 Correct
Q.6 In-correct
Q.6 Unattempt
Which one of the following nuclei has shorter mean life?

Which one of the following nuclei has shorter mean life?

Q.7 Correct
Q.7 In-correct
Q.7 Unattempt
The conductivity of semiconductor increases with increase in temperature because
The conductivity of semiconductor increases with increase in temperature because
Q.8 Correct
Q.8 In-correct
Q.8 Unattempt
For a transistor amplifier, the voltage gain
For a transistor amplifier, the voltage gain
Q.9 Correct
Q.9 In-correct
Q.9 Unattempt
In the following circuit, what are P and Q?

In the following circuit, what are P and Q?
Q.10 Correct
Q.10 In-correct
Q.10 Unattempt
An antenna uses electromagnetic waves of frequency 5 MHz. For proper working, the size of the antenna should be :
An antenna uses electromagnetic waves of frequency 5 MHz. For proper working, the size of the antenna should be :
Q.11 Correct
Q.11 In-correct
Q.11 Unattempt
If P, Q and R are physical quantities having different dimensions, which of the following combinations can never be a meaningful quantity?
If P, Q and R are physical quantities having different dimensions, which of the following combinations can never be a meaningful quantity?
Q.12 Correct
Q.12 In-correct
Q.12 Unattempt
The given graph shows the variation of velocity (v) with position (x) for a particle moving along a straight line
Which of the following graph shows the variation of acceleration (a) with position (x)?
The given graph shows the variation of velocity (v) with position (x) for a particle moving along a straight line

Which of the following graph shows the variation of acceleration (a) with position (x)?
Q.13 Correct
Q.13 In-correct
Q.13 Unattempt
The trajectory of a projectile projected from origin is given by the equation y = x -
2x2
5
 . The initial velocity of the projectile is
The trajectory of a projectile projected from origin is given by the equation y = x -
2x2
5
 . The initial velocity of the projectile is
Q.14 Correct
Q.14 In-correct
Q.14 Unattempt
An object with mass 5 kg is acted upon by a force,
→
F
 = (−3
^
i
+4
^
j
) N. If its initial velocity at t = 0 is
→
v
 = (6
^
i
−12
^
j
) m s−1 , the time at which it will just have a velocity along y-axis is
An object with mass 5 kg is acted upon by a force,
→
F
 = (−3
^
i
+4
^
j
) N. If its initial velocity at t = 0 is
→
v
 = (6
^
i
−12
^
j
) m s−1 , the time at which it will just have a velocity along y-axis is
Q.15 Correct
Q.15 In-correct
Q.15 Unattempt
During inelastic collision between two objects, which of the following quantity always remains conserved?
During inelastic collision between two objects, which of the following quantity always remains conserved?
Q.16 Correct
Q.16 In-correct
Q.16 Unattempt
In Rutherford experiment, for head-on collision of α-particles with a gold nucleus, the impact parameter is
In Rutherford experiment, for head-on collision of α-particles with a gold nucleus, the impact parameter is
Q.17 Correct
Q.17 In-correct
Q.17 Unattempt
Frequency of revolution of an electron revolving in nth orbit of H-atom is proportional to
Frequency of revolution of an electron revolving in nth orbit of H-atom is proportional to
Q.18 Correct
Q.18 In-correct
Q.18 Unattempt
A hydrogen atom in ground state absorbs 10.2 eV of energy. The orbital angular momentum of the electron is increased by
A hydrogen atom in ground state absorbs 10.2 eV of energy. The orbital angular momentum of the electron is increased by
Q.19 Correct
Q.19 In-correct
Q.19 Unattempt
The end product of decay of 90Th232 is 82Pb208. The number of α and β particles emitted are respectively
The end product of decay of 90Th232 is 82Pb208. The number of α and β particles emitted are respectively
Q.20 Correct
Q.20 In-correct
Q.20 Unattempt
Two protons are kept at a separation of 10 nm. Let Fn and Fe be the nuclear force and the electromagnetic force between them
Two protons are kept at a separation of 10 nm. Let Fn and Fe be the nuclear force and the electromagnetic force between them
Q.21 Correct
Q.21 In-correct
Q.21 Unattempt
A transparent medium shows relation between i and r as shown. If the speed of light in vacuum is c the Brewster angle for the medium is

A transparent medium shows relation between i and r as shown. If the speed of light in vacuum is c the Brewster angle for the medium is

Q.22 Correct
Q.22 In-correct
Q.22 Unattempt
In Young’s double slit experiment using monochromatic light of wavelength λ, the intensity of light at a point on the screen where path different is λ is K units. The intensity of light at a point where path difference
λ
3
 is
In Young’s double slit experiment using monochromatic light of wavelength λ, the intensity of light at a point on the screen where path different is λ is K units. The intensity of light at a point where path difference
λ
3
 is
Q.23 Correct
Q.23 In-correct
Q.23 Unattempt
Due to Doppler’s effect the shift in wavelength observed is 0.1 Å for a star producing wavelength 6000 Å. Velocity of recession of the star will be
Due to Doppler’s effect the shift in wavelength observed is 0.1 Å for a star producing wavelength 6000 Å. Velocity of recession of the star will be
Q.24 Correct
Q.24 In-correct
Q.24 Unattempt
An electron is moving with an initial velocity
→
V
=V0
^
i
 and is in a uniform magnetic field
→
B
=B0
^
j
 . Then its de Broglie wavelength
An electron is moving with an initial velocity
→
V
=V0
^
i
 and is in a uniform magnetic field
→
B
=B0
^
j
 . Then its de Broglie wavelength
Q.25 Correct
Q.25 In-correct
Q.25 Unattempt
Light of certain frequency and intensity incident on a photosensitive material causes photoelectric effect. If both the frequency and intensity are doubled, the photoelectric saturation current becomes
Light of certain frequency and intensity incident on a photosensitive material causes photoelectric effect. If both the frequency and intensity are doubled, the photoelectric saturation current becomes
Q.26 Correct
Q.26 In-correct
Q.26 Unattempt
A magnetic needle has a magnetic moment of 5 × 10–2Am2 and moment of inertia 8 × 10–6kgm2. It hasa period of oscillation of 2 s in a magnetic field
→
B
. The magnitude of magnetic field is approximately
A magnetic needle has a magnetic moment of 5 × 10–2Am2 and moment of inertia 8 × 10–6kgm2. It hasa period of oscillation of 2 s in a magnetic field
→
B
. The magnitude of magnetic field is approximately
Q.27 Correct
Q.27 In-correct
Q.27 Unattempt
A toroid has 500 turns per metre length. If it carries a current of 2A, the magnetic energy density inside the toroid is
A toroid has 500 turns per metre length. If it carries a current of 2A, the magnetic energy density inside the toroid is
Q.28 Correct
Q.28 In-correct
Q.28 Unattempt
Consider the situation given in figure. The wire AB is slid on the fixed rails with a constant velocity. If the wire AB is replaced by a semicircular wire, the magnitude of the induced current will

Consider the situation given in figure. The wire AB is slid on the fixed rails with a constant velocity. If the wire AB is replaced by a semicircular wire, the magnitude of the induced current will

Q.29 Correct
Q.29 In-correct
Q.29 Unattempt
The frequency of an alternating current is 50 Hz. What is the minimum time taken by current to reach its peak value from rms value?
The frequency of an alternating current is 50 Hz. What is the minimum time taken by current to reach its peak value from rms value?
Q.30 Correct
Q.30 In-correct
Q.30 Unattempt
The readings of ammeter and voltmeter in the following circuit are respectively

The readings of ammeter and voltmeter in the following circuit are respectively

Q.31 Correct
Q.31 In-correct
Q.31 Unattempt
Two particles which are initially at rest move towards each other under the action of their mutual attraction. If their speeds are v and 2 v at any instant, then the speed of center of mass of the system is,
Two particles which are initially at rest move towards each other under the action of their mutual attraction. If their speeds are v and 2 v at any instant, then the speed of center of mass of the system is,
Q.32 Correct
Q.32 In-correct
Q.32 Unattempt
A particle is moving uniformly along a straight line as shown in the figure. During the motion of the particle from A to B, the angular momentum of the particle about ‘O’
A particle is moving uniformly along a straight line as shown in the figure. During the motion of the particle from A to B, the angular momentum of the particle about ‘O’
Q.33 Correct
Q.33 In-correct
Q.33 Unattempt
A satellite is orbiting close to the earth and has a kinetic energy K. The minimum extra kinetic energy required by it to just overcome the gravitation pull of the earth is
A satellite is orbiting close to the earth and has a kinetic energy K. The minimum extra kinetic energy required by it to just overcome the gravitation pull of the earth is
Q.34 Correct
Q.34 In-correct
Q.34 Unattempt
A wire is stretched such that its volume remains constant. The Poission’s ratio of the material of the wire is
A wire is stretched such that its volume remains constant. The Poission’s ratio of the material of the wire is
Q.35 Correct
Q.35 In-correct
Q.35 Unattempt
A cylindrical container containing water has a small hole at height of H = 8 cm from the bottom and at a depth of 2 cm from the top surface of the liquid. The maximum horizontal distance travelled by the water before it hits the ground (x) is
A cylindrical container containing water has a small hole at height of H = 8 cm from the bottom and at a depth of 2 cm from the top surface of the liquid. The maximum horizontal distance travelled by the water before it hits the ground (x) is
Q.36 Correct
Q.36 In-correct
Q.36 Unattempt
An inductor of inductance L and resistor R are joined together in series and connected by a source of frequency ω. The power dissipated in the circuit is
An inductor of inductance L and resistor R are joined together in series and connected by a source of frequency ω. The power dissipated in the circuit is
Q.37 Correct
Q.37 In-correct
Q.37 Unattempt
An electromagnetic wave is travelling in x-direction with electric field vector given by,
→
Ey
=E0‌sin(kx−ωt)‌
^
j
 . The correct expression for magnetic field vector is
An electromagnetic wave is travelling in x-direction with electric field vector given by,
→
Ey
=E0‌sin(kx−ωt)‌
^
j
 . The correct expression for magnetic field vector is
Q.38 Correct
Q.38 In-correct
Q.38 Unattempt
The phenomenon involved in the reflection of radio-waves by ionosphere is similar to
The phenomenon involved in the reflection of radio-waves by ionosphere is similar to
Q.39 Correct
Q.39 In-correct
Q.39 Unattempt
A Point object is moving uniformly towards the pole of a concave mirror of focal length 25 cm along its axis as shown below. The speed of the object is 1 ms–1 . At t = 0, the distance of the object from the mirror is 50 cm. The average velocity of the image formed by the mirror between time t = 0 and t = 0.25 s is
A Point object is moving uniformly towards the pole of a concave mirror of focal length 25 cm along its axis as shown below. The speed of the object is 1 ms–1 . At t = 0, the distance of the object from the mirror is 50 cm. The average velocity of the image formed by the mirror between time t = 0 and t = 0.25 s is
Q.40 Correct
Q.40 In-correct
Q.40 Unattempt
A certain prism is found to produce a minimum deviation of 38°. It produces a deviation of 44° when the angle of incidence is either 42° or 62°. What is the angle of incidence when it is undergoing minimum deviation?
A certain prism is found to produce a minimum deviation of 38°. It produces a deviation of 44° when the angle of incidence is either 42° or 62°. What is the angle of incidence when it is undergoing minimum deviation?
Q.41 Correct
Q.41 In-correct
Q.41 Unattempt
An aluminium sphere is dipped into water. Which of the following is true?
An aluminium sphere is dipped into water. Which of the following is true?
Q.42 Correct
Q.42 In-correct
Q.42 Unattempt
A thermodynamic system undergoes a cyclic process ABC as shown in the diagram. The work done by the system per cycle is

A thermodynamic system undergoes a cyclic process ABC as shown in the diagram. The work done by the system per cycle is

Q.43 Correct
Q.43 In-correct
Q.43 Unattempt
One mole of 4 gas is heated at constant pressure starting at 27 °C. How much energy must be added to the gas as heat to double its volume?
One mole of 4 gas is heated at constant pressure starting at 27 °C. How much energy must be added to the gas as heat to double its volume?
Q.44 Correct
Q.44 In-correct
Q.44 Unattempt
A piston is performing S.H.M. in the vertical direction with a frequency of 0.5 Hz. A block of 10 kg is placed on the piston. The maximum amplitude of the system such that the block remains in contact with the piston is
A piston is performing S.H.M. in the vertical direction with a frequency of 0.5 Hz. A block of 10 kg is placed on the piston. The maximum amplitude of the system such that the block remains in contact with the piston is
Q.45 Correct
Q.45 In-correct
Q.45 Unattempt
The equation of a stationary wave is y = 2sin (
πx
15
)cos (48πt) . The distance between a node and its next antinode is
The equation of a stationary wave is y = 2sin (
πx
15
)cos (48πt) . The distance between a node and its next antinode is
Q.46 Correct
Q.46 In-correct
Q.46 Unattempt
In the given circuit, the current through 2 Ω resistor is

In the given circuit, the current through 2 Ω resistor is

Q.47 Correct
Q.47 In-correct
Q.47 Unattempt
Kichhoff’s junction rule is a reflection of
Kichhoff’s junction rule is a reflection of
Q.48 Correct
Q.48 In-correct
Q.48 Unattempt
The variation of terminal potential difference (V) with current flowing through as cell is as shown
The emf and internal resistance of the cell are
The variation of terminal potential difference (V) with current flowing through as cell is as shown

The emf and internal resistance of the cell are
Q.49 Correct
Q.49 In-correct
Q.49 Unattempt
In a potentiometer experiment, the balancing point with a cell is at a length 240 cm. On shunting the cell with a resistance of 2 Ω , the balancing length becomes 120 cm. The internal resistance of the cell is
In a potentiometer experiment, the balancing point with a cell is at a length 240 cm. On shunting the cell with a resistance of 2 Ω , the balancing length becomes 120 cm. The internal resistance of the cell is
Q.50 Correct
Q.50 In-correct
Q.50 Unattempt
The magnetic field at the centre ‘O’ in the given figure is

The magnetic field at the centre ‘O’ in the given figure is

Q.51 Correct
Q.51 In-correct
Q.51 Unattempt
Two metal plates are separated by 2 cm. The potentials of the plates are - 10 V and + 30 V. The electric field between the two plates is :
Two metal plates are separated by 2 cm. The potentials of the plates are - 10 V and + 30 V. The electric field between the two plates is :
Q.52 Correct
Q.52 In-correct
Q.52 Unattempt
The equivalent capacitance between A and B is,

The equivalent capacitance between A and B is,

Q.53 Correct
Q.53 In-correct
Q.53 Unattempt
A capacitor of capacitance C charged by an amount Q is connected in parallel with an uncharged capacitor of capacitance 2C. The final charges on the capacitors are
A capacitor of capacitance C charged by an amount Q is connected in parallel with an uncharged capacitor of capacitance 2C. The final charges on the capacitors are
Q.54 Correct
Q.54 In-correct
Q.54 Unattempt
Though the electron drift velocity is small and electron charge is very small, a conductor can carry an appreciably large current because
Though the electron drift velocity is small and electron charge is very small, a conductor can carry an appreciably large current because
Q.55 Correct
Q.55 In-correct
Q.55 Unattempt
Masses of three wires of copper are in the ration 1 : 3 : 5 and their lengths are in the ratio 5 : 3 : 1. The ratio of their electrical resistance are
Masses of three wires of copper are in the ration 1 : 3 : 5 and their lengths are in the ratio 5 : 3 : 1. The ratio of their electrical resistance are
Q.56 Correct
Q.56 In-correct
Q.56 Unattempt
A certain charge 2Q is divided at first into two parts q1 and q2. Later the charges are placed at a certain distance. If the force of interaction between two charges is maximum then
Q
q1
A certain charge 2Q is divided at first into two parts q1 and q2. Later the charges are placed at a certain distance. If the force of interaction between two charges is maximum then
Q
q1
Q.57 Correct
Q.57 In-correct
Q.57 Unattempt
A particle of mass m and charge q is placed at rest in uniform electric field E and then released. The kinetic energy attained by the particle after moving a distance y is
A particle of mass m and charge q is placed at rest in uniform electric field E and then released. The kinetic energy attained by the particle after moving a distance y is
Q.58 Correct
Q.58 In-correct
Q.58 Unattempt
An electric dipole is kept in non-uniform electric field. It generally experiences
An electric dipole is kept in non-uniform electric field. It generally experiences
Q.59 Correct
Q.59 In-correct
Q.59 Unattempt
The figure gives the electric potential V as a function of distance through four regions on x-axis. Which of the following is true for the magnitude of the electric field E in these regions?

The figure gives the electric potential V as a function of distance through four regions on x-axis. Which of the following is true for the magnitude of the electric field E in these regions?

Q.60 Correct
Q.60 In-correct
Q.60 Unattempt
A system of two charges separated by a certain distance apart stores electrical potential energy. If the distance between them is increased, the potential energy of the system,
A system of two charges separated by a certain distance apart stores electrical potential energy. If the distance between them is increased, the potential energy of the system,
Q.1 Correct
Q.1 In-correct
Q.1 Unattempt
The vitamin that helps in clotting of blood is
The vitamin that helps in clotting of blood is
Q.2 Correct
Q.2 In-correct
Q.2 Unattempt
The polymer containing five methylene groups in its repeating unit is
The polymer containing five methylene groups in its repeating unit is
Q.3 Correct
Q.3 In-correct
Q.3 Unattempt
Cis-1, 4-polyisoprene is called
Cis-1, 4-polyisoprene is called
Q.4 Correct
Q.4 In-correct
Q.4 Unattempt
Which cleansing agent gets precipitated in hard water?
Which cleansing agent gets precipitated in hard water?
Q.5 Correct
Q.5 In-correct
Q.5 Unattempt
Anti-histamine among the following is
Anti-histamine among the following is
Q.6 Correct
Q.6 In-correct
Q.6 Unattempt
The elements in which electrons are progressively filled in 4f orbital are called
The elements in which electrons are progressively filled in 4f orbital are called
Q.7 Correct
Q.7 In-correct
Q.7 Unattempt
Incorrect statement with reference to Ce (Z = 58)
Incorrect statement with reference to Ce (Z = 58)
Q.8 Correct
Q.8 In-correct
Q.8 Unattempt
A mixture of NaCl and K2Cr2O7 is heated with conc. H2SO4, deep red vapours and formed. Which of the following statement is false?
A mixture of NaCl and K2Cr2O7 is heated with conc. H2SO4, deep red vapours and formed. Which of the following statement is false?
Q.9 Correct
Q.9 In-correct
Q.9 Unattempt
Which of the following statement is wrong?
Which of the following statement is wrong?
Q.10 Correct
Q.10 In-correct
Q.10 Unattempt
Which among the following is the strongest ligand?
Which among the following is the strongest ligand?
Q.11 Correct
Q.11 In-correct
Q.11 Unattempt
Relative lowering of vapour pressure of a dilute solution of glucose dissolved in 1 kg of water is 0.002. The molality of the solution is
Relative lowering of vapour pressure of a dilute solution of glucose dissolved in 1 kg of water is 0.002. The molality of the solution is
Q.12 Correct
Q.12 In-correct
Q.12 Unattempt
One litre solution of MgCl2 is electrolyzed completely by passing a current of 1A for 16 min 5 sec. The original concentration of MgCl2 solution was (Atomic mass of Mg = 24)
One litre solution of MgCl2 is electrolyzed completely by passing a current of 1A for 16 min 5 sec. The original concentration of MgCl2 solution was (Atomic mass of Mg = 24)
Q.13 Correct
Q.13 In-correct
Q.13 Unattempt
An aqueous solution of CuSO4 is subjected to electrolysis using inert electrodes. The pH of the solution will
An aqueous solution of CuSO4 is subjected to electrolysis using inert electrodes. The pH of the solution will
Q.14 Correct
Q.14 In-correct
Q.14 Unattempt
Given: E0Mn+7|Mn+2 = 1.5 V and E0Mn+4|Mn+2 = 1.2 V, then E0Mn+7|Mn+4 is
Given: E0Mn+7|Mn+2 = 1.5 V and E0Mn+4|Mn+2 = 1.2 V, then E0Mn+7|Mn+4 is
Q.15 Correct
Q.15 In-correct
Q.15 Unattempt
The plot of t1∕2 v/s [R]0 for a reaction is a straight-line parallel to x-axis. The unit for the rate constant of this reaction is
The plot of t1∕2 v/s [R]0 for a reaction is a straight-line parallel to x-axis. The unit for the rate constant of this reaction is
Q.16 Correct
Q.16 In-correct
Q.16 Unattempt
The mass of AgCl precipitated when a solution containing 11.70 g of NaCl is added to a solution containing 3.4 g of AgNO3 is [Atomic mass of Ag = 108, Atomic mass of Na = 23]
The mass of AgCl precipitated when a solution containing 11.70 g of NaCl is added to a solution containing 3.4 g of AgNO3 is [Atomic mass of Ag = 108, Atomic mass of Na = 23]
Q.17 Correct
Q.17 In-correct
Q.17 Unattempt
Two particles A and B are in motion. If the wavelength associated with ‘A’ is 33.33 nm, the wavelength associated with ‘B’ whose momentum is
1
3
 rd of ‘A’ is
Two particles A and B are in motion. If the wavelength associated with ‘A’ is 33.33 nm, the wavelength associated with ‘B’ whose momentum is
1
3
 rd of ‘A’ is
Q.18 Correct
Q.18 In-correct
Q.18 Unattempt
The first ionization enthalpy of the following elements are in the order:
The first ionization enthalpy of the following elements are in the order:
Q.19 Correct
Q.19 In-correct
Q.19 Unattempt
Solubility of AgCl is least in
Solubility of AgCl is least in
Q.20 Correct
Q.20 In-correct
Q.20 Unattempt
Which of the following equations does NOT represent Charles’s law for a given mass of gas at constant pressure?
Which of the following equations does NOT represent Charles’s law for a given mass of gas at constant pressure?
Q.21 Correct
Q.21 In-correct
Q.21 Unattempt
Which is the most suitable reagent for the following conversion? CH3–CH=CH–CH2–
O
||
C
–CH3 → CH3–CH=CH–CH2–
O
||
C
–OH
Which is the most suitable reagent for the following conversion? CH3–CH=CH–CH2–
O
||
C
–CH3 → CH3–CH=CH–CH2–
O
||
C
–OH
Q.22 Correct
Q.22 In-correct
Q.22 Unattempt
Which of the following is least soluble in water at 298 K?
Which of the following is least soluble in water at 298 K?
Q.23 Correct
Q.23 In-correct
Q.23 Unattempt
If Aniline is treated with 1 : 1 mixture of conc. HNO3 and con. H2SO4, p-nitroaniline and m-nitroaniline are formed nearly in equal amounts. This is due to
If Aniline is treated with 1 : 1 mixture of conc. HNO3 and con. H2SO4, p-nitroaniline and m-nitroaniline are formed nearly in equal amounts. This is due to
Q.24 Correct
Q.24 In-correct
Q.24 Unattempt
In nucleic acids, the nucleotides are joined together by
In nucleic acids, the nucleotides are joined together by
Q.25 Correct
Q.25 In-correct
Q.25 Unattempt
Which of the following is generally water insoluble?
Which of the following is generally water insoluble?
Q.26 Correct
Q.26 In-correct
Q.26 Unattempt
Which of the following possess net dipole moment?
Which of the following possess net dipole moment?
Q.27 Correct
Q.27 In-correct
Q.27 Unattempt
The number of π-bonds and σ-bonds present in naphthalene are respectively
The number of π-bonds and σ-bonds present in naphthalene are respectively
Q.28 Correct
Q.28 In-correct
Q.28 Unattempt
The reaction in which ΔH > ΔU is
The reaction in which ΔH > ΔU is
Q.29 Correct
Q.29 In-correct
Q.29 Unattempt
The number of moles of electron required to reduce 0.2 mole of Cr2O7−2 to Cr+3
The number of moles of electron required to reduce 0.2 mole of Cr2O7−2 to Cr+3
Q.30 Correct
Q.30 In-correct
Q.30 Unattempt
In the reaction B(OH)3+2H2O → [B(OH)4]−+H3O+
B(OH)3 functions as
In the reaction B(OH)3+2H2O → [B(OH)4]−+H3O+
B(OH)3 functions as
Q.31 Correct
Q.31 In-correct
Q.31 Unattempt
Match the following pKa values.
Match the following pKa values.
Q.32 Correct
Q.32 In-correct
Q.32 Unattempt
Which of the following can be used to test the acidic nature of ethanol?
Which of the following can be used to test the acidic nature of ethanol?
Q.33 Correct
Q.33 In-correct
Q.33 Unattempt
The reagents A, B and C respectively are

The reagents A, B and C respectively are
Q.34 Correct
Q.34 In-correct
Q.34 Unattempt
Propanoic acid undergoes HVZ reaction to give chloropropanoic acid. The product obtained is
Propanoic acid undergoes HVZ reaction to give chloropropanoic acid. The product obtained is
Q.35 Correct
Q.35 In-correct
Q.35 Unattempt
P
H2∕Pd−BaSO4
→
 Q
(i)‌conc.NaOH
→
(ii)‌dil.HCl
 R + S
R and S form benzyl benzoate when treated with each other. Hence, P is
P
H2∕Pd−BaSO4
→
 Q
(i)‌conc.NaOH
→
(ii)‌dil.HCl
 R + S
R and S form benzyl benzoate when treated with each other. Hence, P is
Q.36 Correct
Q.36 In-correct
Q.36 Unattempt
Which of the following is a network crystalline solid?
Which of the following is a network crystalline solid?
Q.37 Correct
Q.37 In-correct
Q.37 Unattempt
The number of atoms in 2.4 g of body centred cubic crystal with edge length 200 pm is (density = 10 g cm−3 , NA = 6 × 1023 atoms/mol)
The number of atoms in 2.4 g of body centred cubic crystal with edge length 200 pm is (density = 10 g cm−3 , NA = 6 × 1023 atoms/mol)
Q.38 Correct
Q.38 In-correct
Q.38 Unattempt
1 mole of NaCl is doped with 10−5 mole of SrCl2. The number of cationic vacancies in the crystal lattice will be:
1 mole of NaCl is doped with 10−5 mole of SrCl2. The number of cationic vacancies in the crystal lattice will be:
Q.39 Correct
Q.39 In-correct
Q.39 Unattempt
A non-volatile solute, ‘A’ tetramerises in water to the extent of 80%. 2.5 g of ‘A’ in 100 g of water, lowers the freezing point by 0.3°C. the molar mass of A in g mol–1 is (Kf for water = 1.86 K kg mol–1 )
A non-volatile solute, ‘A’ tetramerises in water to the extent of 80%. 2.5 g of ‘A’ in 100 g of water, lowers the freezing point by 0.3°C. the molar mass of A in g mol–1 is (Kf for water = 1.86 K kg mol–1 )
Q.40 Correct
Q.40 In-correct
Q.40 Unattempt
Solution ‘A contains acetone dissolved in chloroform and solution ‘B’ contains acetone dissolved in carbon disulphide. The type of deviations from Raoult’s law shown by solutions A and B, respectively are
Solution ‘A contains acetone dissolved in chloroform and solution ‘B’ contains acetone dissolved in carbon disulphide. The type of deviations from Raoult’s law shown by solutions A and B, respectively are
Q.41 Correct
Q.41 In-correct
Q.41 Unattempt
Among the following, the main reactions occurring in blast furnace during extraction of iron from haematite are:
i. Fe2O3 + 3CO → 2Fe + 3CO2
ii. FeO + SiO2 → FeSiO3
iii. Fe2O3 + 3C → 2Fe + 3CO
iv. CaO + SiO2 → CaSiO3
Among the following, the main reactions occurring in blast furnace during extraction of iron from haematite are:
i. Fe2O3 + 3CO → 2Fe + 3CO2
ii. FeO + SiO2 → FeSiO3
iii. Fe2O3 + 3C → 2Fe + 3CO
iv. CaO + SiO2 → CaSiO3
Q.42 Correct
Q.42 In-correct
Q.42 Unattempt
Which of the following pair contains 2 lone pair of electrons on the central atom?
Which of the following pair contains 2 lone pair of electrons on the central atom?
Q.43 Correct
Q.43 In-correct
Q.43 Unattempt
Which of the following statement is correct?
Which of the following statement is correct?
Q.44 Correct
Q.44 In-correct
Q.44 Unattempt
0.1 mole of XeF6 is treated with 1.8 g of water. The product obtained is
0.1 mole of XeF6 is treated with 1.8 g of water. The product obtained is
Q.45 Correct
Q.45 In-correct
Q.45 Unattempt
In the reaction of gold with aquaregia, oxidation state of Nitrogen changes from
In the reaction of gold with aquaregia, oxidation state of Nitrogen changes from
Q.46 Correct
Q.46 In-correct
Q.46 Unattempt
Addition of excess of AgNO3 to an aqueous solution of 1 mole of PdCl2⋅4NH3 gives 2 moles of AgCl. The conductivity of this solution corresponds to
Addition of excess of AgNO3 to an aqueous solution of 1 mole of PdCl2⋅4NH3 gives 2 moles of AgCl. The conductivity of this solution corresponds to
Q.47 Correct
Q.47 In-correct
Q.47 Unattempt
The formula of penta aquanitrato chromium (III) nitrate is,
The formula of penta aquanitrato chromium (III) nitrate is,
Q.48 Correct
Q.48 In-correct
Q.48 Unattempt
Which of the following halide undergoes hydrolysis on warning with water/aqueous NaOH?
Which of the following halide undergoes hydrolysis on warning with water/aqueous NaOH?
Q.49 Correct
Q.49 In-correct
Q.49 Unattempt
The compound having longest C - Cl bond is:
The compound having longest C - Cl bond is:
Q.50 Correct
Q.50 In-correct
Q.50 Unattempt
The alkyl halides required to prepare

by Wurtz reaction are
The alkyl halides required to prepare

by Wurtz reaction are
Q.51 Correct
Q.51 In-correct
Q.51 Unattempt
Which is a wrong statement?
Which is a wrong statement?
Q.52 Correct
Q.52 In-correct
Q.52 Unattempt
1 L of 2 M CH3COOH is mixed with 1 L of 3M C2H5OH to form an ester. The rate of the reaction with respect to the initial rate when each solution is diluted with an equal volume of water will be
1 L of 2 M CH3COOH is mixed with 1 L of 3M C2H5OH to form an ester. The rate of the reaction with respect to the initial rate when each solution is diluted with an equal volume of water will be
Q.53 Correct
Q.53 In-correct
Q.53 Unattempt
Which of the following is an example of homogeneous catalysis?
Which of the following is an example of homogeneous catalysis?
Q.54 Correct
Q.54 In-correct
Q.54 Unattempt
Critical Micelle concentration for a soap solution is 1.5 × 10−4 mol L−1 . Micelle formation is possible only when the concentration of soap solution in mol L−1 is
Critical Micelle concentration for a soap solution is 1.5 × 10−4 mol L−1 . Micelle formation is possible only when the concentration of soap solution in mol L−1 is
Q.55 Correct
Q.55 In-correct
Q.55 Unattempt
Oxidation state of copper is +1 in
Oxidation state of copper is +1 in
Q.56 Correct
Q.56 In-correct
Q.56 Unattempt
The metal nitrate that liberates NO2 on heating
The metal nitrate that liberates NO2 on heating
Q.57 Correct
Q.57 In-correct
Q.57 Unattempt
Which of the following is NOT true regarding the usage of hydrogen as a fuel?
Which of the following is NOT true regarding the usage of hydrogen as a fuel?
Q.58 Correct
Q.58 In-correct
Q.58 Unattempt
Resonance effect is not observed in
Resonance effect is not observed in
Q.59 Correct
Q.59 In-correct
Q.59 Unattempt
2-butyne is reduced to trans-but-2-ene using
2-butyne is reduced to trans-but-2-ene using
Q.60 Correct
Q.60 In-correct
Q.60 Unattempt
Eutrophication causes
Eutrophication causes
Q.1 Correct
Q.1 In-correct
Q.1 Unattempt
What is the function of Protein GLUT-4?
What is the function of Protein GLUT-4?
Q.2 Correct
Q.2 In-correct
Q.2 Unattempt
Cells in the quiescent stage (G0)
Cells in the quiescent stage (G0)
Q.3 Correct
Q.3 In-correct
Q.3 Unattempt
Consider the following statements i, ii and iii regarding criteria for essentiality of the nutrients in plants:
A. The presence of elements is must for plants to complete their life cycle.
B. The role of the element can be replaced by another element.
C. The element must be directly involved in the metabolism of the plant.
Choose the correct statement/s.
Consider the following statements i, ii and iii regarding criteria for essentiality of the nutrients in plants:
A. The presence of elements is must for plants to complete their life cycle.
B. The role of the element can be replaced by another element.
C. The element must be directly involved in the metabolism of the plant.
Choose the correct statement/s.
Q.4 Correct
Q.4 In-correct
Q.4 Unattempt
During chemiosmotic synthesis of ATP in photosynthesis:
During chemiosmotic synthesis of ATP in photosynthesis:
Q.5 Correct
Q.5 In-correct
Q.5 Unattempt
When tripalmitin is used as respiratory substance in aerobic respiration, the process consumes 145 molecules of oxygen and releases 102 molecules of CO2 then RQ value would be :
When tripalmitin is used as respiratory substance in aerobic respiration, the process consumes 145 molecules of oxygen and releases 102 molecules of CO2 then RQ value would be :
Q.6 Correct
Q.6 In-correct
Q.6 Unattempt
Identify the incorrect statement with reference of bio-control agents.
Identify the incorrect statement with reference of bio-control agents.
Q.7 Correct
Q.7 In-correct
Q.7 Unattempt
A farmer has applied chemical fertilisers in his crop field form any successive seasons. In the next season, the crop growth was poor as soil lost its fertility. Suggest the suitable micro-organisms that replenishes the fertility of soil in his field.
A farmer has applied chemical fertilisers in his crop field form any successive seasons. In the next season, the crop growth was poor as soil lost its fertility. Suggest the suitable micro-organisms that replenishes the fertility of soil in his field.
Q.8 Correct
Q.8 In-correct
Q.8 Unattempt
In cloning vectors, antibiotic resistant genes are helpful for:
In cloning vectors, antibiotic resistant genes are helpful for:
Q.9 Correct
Q.9 In-correct
Q.9 Unattempt
A student while extracting DNA from Aspergillus fungus requires ___________ enzyme to break open the cell wall.
A student while extracting DNA from Aspergillus fungus requires ___________ enzyme to break open the cell wall.
Q.10 Correct
Q.10 In-correct
Q.10 Unattempt
Identify the DNA sequence which can be cut using EcoRI.
Identify the DNA sequence which can be cut using EcoRI.
Q.11 Correct
Q.11 In-correct
Q.11 Unattempt
Which of the following amino acids is coded by single codon?
Which of the following amino acids is coded by single codon?
Q.12 Correct
Q.12 In-correct
Q.12 Unattempt
In prokaryotes, the transcription of DNA is initiated with the help of :
In prokaryotes, the transcription of DNA is initiated with the help of :
Q.13 Correct
Q.13 In-correct
Q.13 Unattempt
According to Human Genome Project (HGP), the total number of genes in human genome is estimated at 30,000, the number of genes present on Y chromosome are:
According to Human Genome Project (HGP), the total number of genes in human genome is estimated at 30,000, the number of genes present on Y chromosome are:
Q.14 Correct
Q.14 In-correct
Q.14 Unattempt
In a crime investigation, the investigating officer collects different biological samples from the crime spot for DNA fingerprinting analysis. Which of the following samples is not helpful in this analysis?
In a crime investigation, the investigating officer collects different biological samples from the crime spot for DNA fingerprinting analysis. Which of the following samples is not helpful in this analysis?
Q.15 Correct
Q.15 In-correct
Q.15 Unattempt
A mature mRNA consists of 900 bases without any stop codon in between. Calculate the number of amino acids coded by this mRNA during translation.
A mature mRNA consists of 900 bases without any stop codon in between. Calculate the number of amino acids coded by this mRNA during translation.
Q.16 Correct
Q.16 In-correct
Q.16 Unattempt
Which one of the following ecosystems has the highest annualnet primary productivity?
Which one of the following ecosystems has the highest annualnet primary productivity?
Q.17 Correct
Q.17 In-correct
Q.17 Unattempt
Of the total incident solar radiation, the percentage of photosynthetically active radiation (PAR) captured by the plants is :
Of the total incident solar radiation, the percentage of photosynthetically active radiation (PAR) captured by the plants is :
Q.18 Correct
Q.18 In-correct
Q.18 Unattempt
The historic convention related to conservation of biological diversity is also known as:
The historic convention related to conservation of biological diversity is also known as:
Q.19 Correct
Q.19 In-correct
Q.19 Unattempt
Which one of the following human activity has contributed to deforestation in north-eastern states of India?
Which one of the following human activity has contributed to deforestation in north-eastern states of India?
Q.20 Correct
Q.20 In-correct
Q.20 Unattempt
In an area where DDT has been used extensively, the population of birds declined significantly because:
In an area where DDT has been used extensively, the population of birds declined significantly because:
Q.21 Correct
Q.21 In-correct
Q.21 Unattempt
The brain capacity of Homo habilis is:
The brain capacity of Homo habilis is:
Q.22 Correct
Q.22 In-correct
Q.22 Unattempt
In Bougainvillea and Cucurbita, the axillary bud is modified into thorn and tendril respectively. This is an example of:
In Bougainvillea and Cucurbita, the axillary bud is modified into thorn and tendril respectively. This is an example of:
Q.23 Correct
Q.23 In-correct
Q.23 Unattempt
Identify the incorrect statement.
Identify the incorrect statement.
Q.24 Correct
Q.24 In-correct
Q.24 Unattempt
A person shows symptoms like sneezing, watery eyes, running nose and difficulty in breathing, on exposure to certain substances in air. Which type of antibody is produced during such condition?
A person shows symptoms like sneezing, watery eyes, running nose and difficulty in breathing, on exposure to certain substances in air. Which type of antibody is produced during such condition?
Q.25 Correct
Q.25 In-correct
Q.25 Unattempt
A man was suffering from mental illness like depression and insomnia. Identity the drug which is normally used as medicine in such cases:
A man was suffering from mental illness like depression and insomnia. Identity the drug which is normally used as medicine in such cases:
Q.26 Correct
Q.26 In-correct
Q.26 Unattempt
Plants like Marchantia and Funaria produce gametes by mitosis, because:
Plants like Marchantia and Funaria produce gametes by mitosis, because:
Q.27 Correct
Q.27 In-correct
Q.27 Unattempt
Identify the asexual reproductive structure ‘M’ in the following diagram.
Identify the asexual reproductive structure ‘M’ in the following diagram.
Q.28 Correct
Q.28 In-correct
Q.28 Unattempt
In some plants, stigma and anther mature at different times because:
In some plants, stigma and anther mature at different times because:
Q.29 Correct
Q.29 In-correct
Q.29 Unattempt
Now-a-days agricultural practice is expensive to the farmers as they need to purchase hybrid seeds very year. Which of the following strategies can be employed to overcome this problem?
Now-a-days agricultural practice is expensive to the farmers as they need to purchase hybrid seeds very year. Which of the following strategies can be employed to overcome this problem?
Q.30 Correct
Q.30 In-correct
Q.30 Unattempt
Identify the correct order of steps involved in artificial hybridization in plants.
Identify the correct order of steps involved in artificial hybridization in plants.
Q.31 Correct
Q.31 In-correct
Q.31 Unattempt
Which of the following protozoan parasites causes sleeping sickness?
Which of the following protozoan parasites causes sleeping sickness?
Q.32 Correct
Q.32 In-correct
Q.32 Unattempt
Which of the following phyla possess body cavity as shown in the diagram below?
Which of the following phyla possess body cavity as shown in the diagram below?
Q.33 Correct
Q.33 In-correct
Q.33 Unattempt
Testa and Tegmen of the seed coat represent:
Testa and Tegmen of the seed coat represent:
Q.34 Correct
Q.34 In-correct
Q.34 Unattempt
The trees growing in temperature regions show clear demarcation between spring wood and autumn wood. This is because:
The trees growing in temperature regions show clear demarcation between spring wood and autumn wood. This is because:
Q.35 Correct
Q.35 In-correct
Q.35 Unattempt
Identify the part labelled as ‘M’ in the diagram given below.
Identify the part labelled as ‘M’ in the diagram given below.
Q.36 Correct
Q.36 In-correct
Q.36 Unattempt
Which of these is not an advantage in genetically modified crops?
Which of these is not an advantage in genetically modified crops?
Q.37 Correct
Q.37 In-correct
Q.37 Unattempt
Some multinational companies have exploited the traditional knowledge of the indigenous people to produce commercially important bioproducts, without their consent. This is an example for:
Some multinational companies have exploited the traditional knowledge of the indigenous people to produce commercially important bioproducts, without their consent. This is an example for:
Q.38 Correct
Q.38 In-correct
Q.38 Unattempt
In Amphibians and Reptiles, the body temperature changes corresponding to external temperature. The organisms which show this kind of response is termed as:
In Amphibians and Reptiles, the body temperature changes corresponding to external temperature. The organisms which show this kind of response is termed as:
Q.39 Correct
Q.39 In-correct
Q.39 Unattempt
Read the statements and chose the correct answer.
Statement I: The Monarch butterfly feeds on poisonous weeds during its caterpillars stage.
Statement II: It helps butterfly to become distasteful to its predator.
Read the statements and chose the correct answer.
Statement I: The Monarch butterfly feeds on poisonous weeds during its caterpillars stage.
Statement II: It helps butterfly to become distasteful to its predator.
Q.40 Correct
Q.40 In-correct
Q.40 Unattempt
From the given options, identify the correct combination of population interactions that correspond to the symbols given here.

From the given options, identify the correct combination of population interactions that correspond to the symbols given here.
Q.41 Correct
Q.41 In-correct
Q.41 Unattempt
The nourishing cells in the seminiferous tubules are:
The nourishing cells in the seminiferous tubules are:
Q.42 Correct
Q.42 In-correct
Q.42 Unattempt
If in a normal menstruating woman, menses occur on 5th April,what will be the expected date of ovulation?
If in a normal menstruating woman, menses occur on 5th April,what will be the expected date of ovulation?
Q.43 Correct
Q.43 In-correct
Q.43 Unattempt
Identifying the cells represents as P, Q, R and S in the given schematic representation of spermatogenesis.
Identifying the cells represents as P, Q, R and S in the given schematic representation of spermatogenesis.
Q.44 Correct
Q.44 In-correct
Q.44 Unattempt
The method of natural contraception which requires correct knowledge of menstrual cycle is:
The method of natural contraception which requires correct knowledge of menstrual cycle is:
Q.45 Correct
Q.45 In-correct
Q.45 Unattempt
A childless couple visit Assisted Reproductive Technologies(ARTs) center to get assistance to have a child. On diagnosis, it was noticed that there was low sperm count in the male partner.
Which of the following strategy of ART is most suitable in this case?
A childless couple visit Assisted Reproductive Technologies(ARTs) center to get assistance to have a child. On diagnosis, it was noticed that there was low sperm count in the male partner.
Which of the following strategy of ART is most suitable in this case?
Q.46 Correct
Q.46 In-correct
Q.46 Unattempt
In the following diagrammatic representation showing stages of embryonic development, identify the type of growth phase labelled as M and N.
In the following diagrammatic representation showing stages of embryonic development, identify the type of growth phase labelled as M and N.
Q.47 Correct
Q.47 In-correct
Q.47 Unattempt
Indigestion of fats in humans may be an indication of:
Indigestion of fats in humans may be an indication of:
Q.48 Correct
Q.48 In-correct
Q.48 Unattempt
Choose the correct statement from the following.
Choose the correct statement from the following.
Q.49 Correct
Q.49 In-correct
Q.49 Unattempt
In blind spot of the human eye:
In blind spot of the human eye:
Q.50 Correct
Q.50 In-correct
Q.50 Unattempt
A boy after attaining sexual maturity shows muscular growth,growth of facial and axillary hair, aggressive and low pitch of voice. These changes are attributed to __________________hormone.
A boy after attaining sexual maturity shows muscular growth,growth of facial and axillary hair, aggressive and low pitch of voice. These changes are attributed to __________________hormone.
Q.51 Correct
Q.51 In-correct
Q.51 Unattempt
Identify the enzyme that catalyses the step labelled as ‘M’ in the given schematic representation of replication of retrovirus.
Identify the enzyme that catalyses the step labelled as ‘M’ in the given schematic representation of replication of retrovirus.
Q.52 Correct
Q.52 In-correct
Q.52 Unattempt
In animal breeding, the maximum genetic variations can be achieved through:
In animal breeding, the maximum genetic variations can be achieved through:
Q.53 Correct
Q.53 In-correct
Q.53 Unattempt
The oil content and quality of a groundnut variety was improved by plant breeding technique. This is an example of :
The oil content and quality of a groundnut variety was improved by plant breeding technique. This is an example of :
Q.54 Correct
Q.54 In-correct
Q.54 Unattempt
Microbes like Spirulina can be good alternate to the conventional sources of proteins for human nutrition, because:
Microbes like Spirulina can be good alternate to the conventional sources of proteins for human nutrition, because:
Q.55 Correct
Q.55 In-correct
Q.55 Unattempt
Consider the following morphological, biochemical or physiological characteristics of plants.
A. Presence of hairy leaves.
B. Production of more nectar in flower.
C. High sugar content in plant parts.
D. Presence of higher aspartic acid concentration.
Choose the correct combination of statements which give natural resistance to plants against insect pests.
Consider the following morphological, biochemical or physiological characteristics of plants.
A. Presence of hairy leaves.
B. Production of more nectar in flower.
C. High sugar content in plant parts.
D. Presence of higher aspartic acid concentration.
Choose the correct combination of statements which give natural resistance to plants against insect pests.
Q.56 Correct
Q.56 In-correct
Q.56 Unattempt
Identify the odd one among the following disorders.
Identify the odd one among the following disorders.
Q.57 Correct
Q.57 In-correct
Q.57 Unattempt
From the chromosomal complements given below, identify the one which shows female heterogamety.
From the chromosomal complements given below, identify the one which shows female heterogamety.
Q.58 Correct
Q.58 In-correct
Q.58 Unattempt
In Morgan’s experiment with Drosophila, when yellow bodied white eyed female was crossed with brown bodied red eyed male and their F1 progeny were inter-crossed. What was the percentage of recombinants in F2 generation?
In Morgan’s experiment with Drosophila, when yellow bodied white eyed female was crossed with brown bodied red eyed male and their F1 progeny were inter-crossed. What was the percentage of recombinants in F2 generation?
Q.59 Correct
Q.59 In-correct
Q.59 Unattempt
In the following symbols, used in human pedigree analysis, identify the symbol that denotes consanguineous mating
In the following symbols, used in human pedigree analysis, identify the symbol that denotes consanguineous mating
Q.60 Correct
Q.60 In-correct
Q.60 Unattempt
Which of the following nitrogen bases is found only in DNA?
Which of the following nitrogen bases is found only in DNA?
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