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Solution
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Q.1 Correct
Q.1 In-correct
Q.1 Unattempt
The cylindrical tube of a spray pump has radius R, one end of which has n fine holes, each of radius r. If the speed of the liquid in the tube is v, the speed of the ejection of the liquid through the holes is
The cylindrical tube of a spray pump has radius R, one end of which has n fine holes, each of radius r. If the speed of the liquid in the tube is v, the speed of the ejection of the liquid through the holes is
Q.2 Correct
Q.2 In-correct
Q.2 Unattempt
Point masses m1 and m2, are placed at the opposite ends of a rigid rod of length L and negligible mass. The rod is to be set rotating about an axis perpendicular to it. The position of point P on this rod through which the axis should pass, so that the work required to set the rod rotating with angular velocity is minimum, is given by
Point masses m1 and m2, are placed at the opposite ends of a rigid rod of length L and negligible mass. The rod is to be set rotating about an axis perpendicular to it. The position of point P on this rod through which the axis should pass, so that the work required to set the rod rotating with angular velocity is minimum, is given by
Q.3 Correct
Q.3 In-correct
Q.3 Unattempt
A proton and an alpha particle both enter a region of uniform magnetic field B, moving at right angles to the field B. If the radius of circular orbits for both the particles is equal and the kinetic energy acquired by proton is 1 MeV, the energy acquired by the alpha particle will be
A proton and an alpha particle both enter a region of uniform magnetic field B, moving at right angles to the field B. If the radius of circular orbits for both the particles is equal and the kinetic energy acquired by proton is 1 MeV, the energy acquired by the alpha particle will be
Q.4 Correct
Q.4 In-correct
Q.4 Unattempt
A plank with a box on it at one end is gradually raised about the other end. As the angle of inclination with the horizontal reaches 30o, the box starts to slip and slides 4.0 m down the plank in 4.0 s. The coefficients of static and kinetic friction between the box and the plank will be, respectively
A plank with a box on it at one end is gradually raised about the other end. As the angle of inclination with the horizontal reaches 30o, the box starts to slip and slides 4.0 m down the plank in 4.0 s. The coefficients of static and kinetic friction between the box and the plank will be, respectively
Q.5 Correct
Q.5 In-correct
Q.5 Unattempt
An ideal gas is compressed to half its initial volume by means of several processes. Which of the process results in the maximum work done on the gas?
An ideal gas is compressed to half its initial volume by means of several processes. Which of the process results in the maximum work done on the gas?
Q.6 Correct
Q.6 In-correct
Q.6 Unattempt
A ball is thrown vertically downwards from a height of 20m with an initial velocity v0. It collides with the ground, losses 50% of its energy in collision and rebounds to the same height. The initial velocity v0 is
[Take, g = 10 ms-1]
A ball is thrown vertically downwards from a height of 20m with an initial velocity v0. It collides with the ground, losses 50% of its energy in collision and rebounds to the same height. The initial velocity v0 is
[Take, g = 10 ms-1]
Q.7 Correct
Q.7 In-correct
Q.7 Unattempt
In the spectrum of hydrogen, the ratio of the longest wavelength in the Lyman series to the longest wavelength in the Balmer series is
In the spectrum of hydrogen, the ratio of the longest wavelength in the Lyman series to the longest wavelength in the Balmer series is
Q.8 Correct
Q.8 In-correct
Q.8 Unattempt
A source of sound S emitting waves of frequency 100 Hz and an observe O are located at some distance from each other. The source is moving with a speed of 19.4 ms-1 at an angle of 600 with the source observes line as shown in the figure. The observer is at rest. The apparent frequency observed by the observer (velocity of sound in air 330 ms-1), is
A source of sound S emitting waves of frequency 100 Hz and an observe O are located at some distance from each other. The source is moving with a speed of 19.4 ms-1 at an angle of 600 with the source observes line as shown in the figure. The observer is at rest. The apparent frequency observed by the observer (velocity of sound in air 330 ms-1), is
Q.9 Correct
Q.9 In-correct
Q.9 Unattempt
If dimensions of critical velocity vc of a liquid flowing through a tube are expressed as , where are the coefficient of viscosity of liquid, density of liquid and radius of the tube respectively, then the values of x, y and z are given by
If dimensions of critical velocity vc of a liquid flowing through a tube are expressed as , where are the coefficient of viscosity of liquid, density of liquid and radius of the tube respectively, then the values of x, y and z are given by
Q.10 Correct
Q.10 In-correct
Q.10 Unattempt
4.0gm of a gas occupies 22.4 L at NTP. The specific heat capacity of the gas at constant volume is 5.0 Jk-1mol-1. If the speed of sound in the gas at NTP is 952 ms-1, then the heat capacity at constant pressure is
[Take heat capacity constant R= 8.3 Jk-1 mol-1]
4.0gm of a gas occupies 22.4 L at NTP. The specific heat capacity of the gas at constant volume is 5.0 Jk-1mol-1. If the speed of sound in the gas at NTP is 952 ms-1, then the heat capacity at constant pressure is
[Take heat capacity constant R= 8.3 Jk-1 mol-1]
Q.11 Correct
Q.11 In-correct
Q.11 Unattempt
If vectors and are functions of time, then the value of t at which they are orthogonal to each other
If vectors and are functions of time, then the value of t at which they are orthogonal to each other
Q.12 Correct
Q.12 In-correct
Q.12 Unattempt
In the given figure, a diode D is connected to an external resistance R=100and an e.m.f. of 3.5 V. If the barrier potential developed across the diode is 0.5 V, the current in the circuit will be
In the given figure, a diode D is connected to an external resistance R=100and an e.m.f. of 3.5 V. If the barrier potential developed across the diode is 0.5 V, the current in the circuit will be
Q.13 Correct
Q.13 In-correct
Q.13 Unattempt
If potential [in volts] in a region is expressed as V [x, y, z] = 6 xy-y+2yz, the electric field [in N/C] at point [1, 1, 0] is
If potential [in volts] in a region is expressed as V [x, y, z] = 6 xy-y+2yz, the electric field [in N/C] at point [1, 1, 0] is
Q.14 Correct
Q.14 In-correct
Q.14 Unattempt
A remote sensing satellite of earth revolves in a circular orbit at a height of 0.25106m above the surface of earth. If earth’s radius is 6.38105 m and g= 9.8 ms-2, then the orbital speed of the satellite is
A remote sensing satellite of earth revolves in a circular orbit at a height of 0.25106m above the surface of earth. If earth’s radius is 6.38105 m and g= 9.8 ms-2, then the orbital speed of the satellite is
Q.15 Correct
Q.15 In-correct
Q.15 Unattempt
Two metal wires of identical dimensions are connected in series. If are the conductivities of the metal wires respectively, the effective conductivity of the combinations is
Two metal wires of identical dimensions are connected in series. If are the conductivities of the metal wires respectively, the effective conductivity of the combinations is
Q.16 Correct
Q.16 In-correct
Q.16 Unattempt
A satellite S is moving in an elliptical orbit around the earth. The mass of the satellite is very small as compared to the mass of the earth. Then,
A satellite S is moving in an elliptical orbit around the earth. The mass of the satellite is very small as compared to the mass of the earth. Then,
Q.17 Correct
Q.17 In-correct
Q.17 Unattempt
Two particles A and B, move with constant velocities v1 and v2. At the initial moment, their position vectors are r1 and r2 respectively. The condition for particles A and B for their collision is
Two particles A and B, move with constant velocities v1 and v2. At the initial moment, their position vectors are r1 and r2 respectively. The condition for particles A and B for their collision is
Q.18 Correct
Q.18 In-correct
Q.18 Unattempt
Two stones of masses m and 2m are whirled in horizontal circles, the heavier one in a radius and the lighter one in radius r. The tangential speed if lighter stone is n times that of the value of heavier stone when they experience same centripetal forces. The value of n is
Two stones of masses m and 2m are whirled in horizontal circles, the heavier one in a radius and the lighter one in radius r. The tangential speed if lighter stone is n times that of the value of heavier stone when they experience same centripetal forces. The value of n is
Q.19 Correct
Q.19 In-correct
Q.19 Unattempt
A parallel plate air capacitor has capacity C, distance of separation between plates is d and potential difference V is applied between the plates. Force of attraction between the plates of the parallel plate air capacitor is
A parallel plate air capacitor has capacity C, distance of separation between plates is d and potential difference V is applied between the plates. Force of attraction between the plates of the parallel plate air capacitor is
Q.20 Correct
Q.20 In-correct
Q.20 Unattempt
The position vector of a particle R as a function of time is given by

Where R is in meter, t is in seconds and , denote unit vectors along x and y-directions, respectively. Which one of the following statements is wrong for the motion of particle?
The position vector of a particle R as a function of time is given by

Where R is in meter, t is in seconds and , denote unit vectors along x and y-directions, respectively. Which one of the following statements is wrong for the motion of particle?
Q.21 Correct
Q.21 In-correct
Q.21 Unattempt
A series R-C circuit is connected to an alternating voltage source. Consider two situations:
1) When capacitor is air filled.
2) When capacitor is mica filled.
Current through resistor is I and voltage across capacitor is V then
A series R-C circuit is connected to an alternating voltage source. Consider two situations:
1) When capacitor is air filled.
2) When capacitor is mica filled.
Current through resistor is I and voltage across capacitor is V then
Q.22 Correct
Q.22 In-correct
Q.22 Unattempt
A string is stretched between fixed points separated by 75.0 cm. It is observed to have resonant frequencies of 420 Hz and 315 Hz. There are no other resonant frequencies between these two. The lowest resonant frequency for these strings is
A string is stretched between fixed points separated by 75.0 cm. It is observed to have resonant frequencies of 420 Hz and 315 Hz. There are no other resonant frequencies between these two. The lowest resonant frequency for these strings is
Q.23 Correct
Q.23 In-correct
Q.23 Unattempt
The coefficient of performance of a refrigerator is 5. If the temperature inside freezer is -20OC, the temperature of the surroundings to which it ejects heat is
The coefficient of performance of a refrigerator is 5. If the temperature inside freezer is -20OC, the temperature of the surroundings to which it ejects heat is
Q.24 Correct
Q.24 In-correct
Q.24 Unattempt
A photoelectric surface is illuminated successively by monochromatic light of wavelengthand. If the maximum kinetic energy of the emitted photoelectrons in the second case is 3 times that in the first case, the work function of the surface of the mineral is
[h=Plank’s constant, c=speed of light]
A photoelectric surface is illuminated successively by monochromatic light of wavelengthand. If the maximum kinetic energy of the emitted photoelectrons in the second case is 3 times that in the first case, the work function of the surface of the mineral is
[h=Plank’s constant, c=speed of light]
Q.25 Correct
Q.25 In-correct
Q.25 Unattempt
In an astronomical telescope in normal adjustment a straight line of length L is drawn on inside part of objective lens. The eye-piece forms a real image of this line. The length of this image is I. The magnification of the telescope is
In an astronomical telescope in normal adjustment a straight line of length L is drawn on inside part of objective lens. The eye-piece forms a real image of this line. The length of this image is I. The magnification of the telescope is
Q.26 Correct
Q.26 In-correct
Q.26 Unattempt
Two slits in young’s experiment have widths in the ratio 1:25. The ratio of intensity at the maxima and minima in the interference pattern is
Two slits in young’s experiment have widths in the ratio 1:25. The ratio of intensity at the maxima and minima in the interference pattern is
Q.27 Correct
Q.27 In-correct
Q.27 Unattempt
Two vessels separately contain two ideal gasses A and B at the same temperature, the pressure of A being twice that of B. under such conditions, the density of A is found to be 1.5 times the density of B. The ratio of molecular weight of A and B is
Two vessels separately contain two ideal gasses A and B at the same temperature, the pressure of A being twice that of B. under such conditions, the density of A is found to be 1.5 times the density of B. The ratio of molecular weight of A and B is
Q.28 Correct
Q.28 In-correct
Q.28 Unattempt

A circuit contains an ammeter, a battery of 30 V and a resistance 40.8 all connected in series. If the ammeter has the coil of resistance 480 and a shunt of 20 , then reading in the ammeter will be

A circuit contains an ammeter, a battery of 30 V and a resistance 40.8 all connected in series. If the ammeter has the coil of resistance 480 and a shunt of 20 , then reading in the ammeter will be

Q.29 Correct
Q.29 In-correct
Q.29 Unattempt
The value of coefficient of volume expansion of glycerin is. The fractional change in the density of glycerin for a rise of 40OC in its temperature is
The value of coefficient of volume expansion of glycerin is. The fractional change in the density of glycerin for a rise of 40OC in its temperature is
Q.30 Correct
Q.30 In-correct
Q.30 Unattempt
The heart of a man pumps 5L of blood through the arteries per minute at a pressure of 150 mm of mercury. If the density of mercury be and g= , then the power of heart in watt is
The heart of a man pumps 5L of blood through the arteries per minute at a pressure of 150 mm of mercury. If the density of mercury be and g= , then the power of heart in watt is
Q.31 Correct
Q.31 In-correct
Q.31 Unattempt
A beam of light consisting of red, green and blue colors is incident on a light angled prism. The refractive index of the material of the prism for the above red, green and blue wavelengths is 1:39, 1:44 and 1.47, respectively.

The prism will
A beam of light consisting of red, green and blue colors is incident on a light angled prism. The refractive index of the material of the prism for the above red, green and blue wavelengths is 1:39, 1:44 and 1.47, respectively.

The prism will
Q.32 Correct
Q.32 In-correct
Q.32 Unattempt

A rectangular coil of length 0.12 m and width 0.1 m having 50 turns of wire is suspended vertically in a uniform magnetic field of strength 0.2 Wb/m2. The coil carries a current of 2 A. If the plane of the coil is inclined at an angle of 30o with the direction of the field, the torque required to keep the coil in stable equilibrium will be

A rectangular coil of length 0.12 m and width 0.1 m having 50 turns of wire is suspended vertically in a uniform magnetic field of strength 0.2 Wb/m2. The coil carries a current of 2 A. If the plane of the coil is inclined at an angle of 30o with the direction of the field, the torque required to keep the coil in stable equilibrium will be

Q.33 Correct
Q.33 In-correct
Q.33 Unattempt
An electron moves on a straight line path XY as shown. The abcd is a coil adjacent in the path of electrons. What will be the direction of current if any, induced in the coil?
An electron moves on a straight line path XY as shown. The abcd is a coil adjacent in the path of electrons. What will be the direction of current if any, induced in the coil?
Q.34 Correct
Q.34 In-correct
Q.34 Unattempt
A nucleus of uranium decays at rest into nuclei of thorium and helium. Then,
A nucleus of uranium decays at rest into nuclei of thorium and helium. Then,
Q.35 Correct
Q.35 In-correct
Q.35 Unattempt
A force is acting at a point . The value of for which angular momentum about origin is conserved is
A force is acting at a point . The value of for which angular momentum about origin is conserved is
Q.36 Correct
Q.36 In-correct
Q.36 Unattempt

Water rises to a height ‘h’ in the capillary tube. If the length of capillary tube is made less than ‘h’, then

Water rises to a height ‘h’ in the capillary tube. If the length of capillary tube is made less than ‘h’, then

Q.37 Correct
Q.37 In-correct
Q.37 Unattempt
A particle is executing a simple harmonic motion. Its maximum acceleration is and maximum velocity is . Then, its time period of vibration will be
A particle is executing a simple harmonic motion. Its maximum acceleration is and maximum velocity is . Then, its time period of vibration will be
Q.38 Correct
Q.38 In-correct
Q.38 Unattempt
The energy of the EM waves is of the order of 15 KeV. To which part of the spectrum does it belong?
The energy of the EM waves is of the order of 15 KeV. To which part of the spectrum does it belong?
Q.39 Correct
Q.39 In-correct
Q.39 Unattempt
Light of wavelength 500 nm is incident on a metal with function 2.28 eV. The de-Broglie wavelength of the emitted electron is
Light of wavelength 500 nm is incident on a metal with function 2.28 eV. The de-Broglie wavelength of the emitted electron is
Q.40 Correct
Q.40 In-correct
Q.40 Unattempt
At the first minimum adjacent to the central maximum of a single slit diffraction pattern, the phase difference between the Huygen’s wavelet from the edge of the slit and the wavelet from the midpoint of the slit is
At the first minimum adjacent to the central maximum of a single slit diffraction pattern, the phase difference between the Huygen’s wavelet from the edge of the slit and the wavelet from the midpoint of the slit is
Q.41 Correct
Q.41 In-correct
Q.41 Unattempt
On a frictionless surface, a block of mass M moving at speed V collides elasticity with another block of same mass M which is initially at rest. After collision the first block moves at an angle to its initial direction and has a speed . The second block’s speed after collision is
On a frictionless surface, a block of mass M moving at speed V collides elasticity with another block of same mass M which is initially at rest. After collision the first block moves at an angle to its initial direction and has a speed . The second block’s speed after collision is
Q.42 Correct
Q.42 In-correct
Q.42 Unattempt
A potentiometer wire of length L and a resistance r are connected in series with a battery of e.m.f. and a resistance . An unknown e.m.f. is balanced at a length l of the potentiometer wire. The e.m.f. E will be given by
A potentiometer wire of length L and a resistance r are connected in series with a battery of e.m.f. and a resistance . An unknown e.m.f. is balanced at a length l of the potentiometer wire. The e.m.f. E will be given by
Q.43 Correct
Q.43 In-correct
Q.43 Unattempt
The young’s modulus of steel is twice that of brass. Two wires of same length and of some area of cross-section, one of steel and another of brass are suspended from the same roof. It we want the lower ends of the wires to be the same level, then the weight added to the steel and a brass wires must be in the ratio of
The young’s modulus of steel is twice that of brass. Two wires of same length and of some area of cross-section, one of steel and another of brass are suspended from the same roof. It we want the lower ends of the wires to be the same level, then the weight added to the steel and a brass wires must be in the ratio of
Q.44 Correct
Q.44 In-correct
Q.44 Unattempt
The input signal given to a CE amplifier having a voltage gain of 150 is. The corresponding output signal will be
The input signal given to a CE amplifier having a voltage gain of 150 is. The corresponding output signal will be
Q.45 Correct
Q.45 In-correct
Q.45 Unattempt
An automobile moves on a rod with a speed of 54 km h-1. The radius of its wheels is 0.45 m and the moment of inertia of the wheel about its axis of rotation is 3 kg m2. If the vehicle is brought to rest in 15 s, the magnitude of average torque transmitted by its brakes to the wheel is
An automobile moves on a rod with a speed of 54 km h-1. The radius of its wheels is 0.45 m and the moment of inertia of the wheel about its axis of rotation is 3 kg m2. If the vehicle is brought to rest in 15 s, the magnitude of average torque transmitted by its brakes to the wheel is
Q.1 Correct
Q.1 In-correct
Q.1 Unattempt
In which of the following pairs, both the species are not is isostructural?
In which of the following pairs, both the species are not is isostructural?
Q.2 Correct
Q.2 In-correct
Q.2 Unattempt
Which one of the following esters gets hydrolyzed most easily under alkaline conditions?
Which one of the following esters gets hydrolyzed most easily under alkaline conditions?
Q.3 Correct
Q.3 In-correct
Q.3 Unattempt
Reaction of phenol with chloroform in the presence of dilute sodium hydroxide finally introduces, which one of the following functional group?
Reaction of phenol with chloroform in the presence of dilute sodium hydroxide finally introduces, which one of the following functional group?
Q.4 Correct
Q.4 In-correct
Q.4 Unattempt
Which of the following reaction(s) can be used for the preparation of alkyl halides?
I.
II.
III.
IV.
Which of the following reaction(s) can be used for the preparation of alkyl halides?
I.
II.
III.
IV.
Q.5 Correct
Q.5 In-correct
Q.5 Unattempt
In an SN1 reaction on chiral centers there is
In an SN1 reaction on chiral centers there is
Q.6 Correct
Q.6 In-correct
Q.6 Unattempt
Which of the following is not the product of dehydration of ?
Which of the following is not the product of dehydration of ?
Q.7 Correct
Q.7 In-correct
Q.7 Unattempt
On heating which of the following releases CO2 most easily?
On heating which of the following releases CO2 most easily?
Q.8 Correct
Q.8 In-correct
Q.8 Unattempt
In the reaction with HCl, an alkene reacts in accordance with the Markownikoff’s rule, to give a product 1-chloro-1-methylcyclohexane. The possible alkane is
In the reaction with HCl, an alkene reacts in accordance with the Markownikoff’s rule, to give a product 1-chloro-1-methylcyclohexane. The possible alkane is
Q.9 Correct
Q.9 In-correct
Q.9 Unattempt
Number of possible isomers for the complex will be (en=ethylenediamine)
Number of possible isomers for the complex will be (en=ethylenediamine)
Q.10 Correct
Q.10 In-correct
Q.10 Unattempt
A gas such as carbon monoxide would be most likely to obey the ideal gas law at
A gas such as carbon monoxide would be most likely to obey the ideal gas law at
Q.11 Correct
Q.11 In-correct
Q.11 Unattempt
If Avogadro number , is changed from to this would change
If Avogadro number , is changed from to this would change
Q.12 Correct
Q.12 In-correct
Q.12 Unattempt
Gadolinium belongs to 4f series. It’s atomic number is 64. Which of the following is the correct electronic configuration of gadolinium?
Gadolinium belongs to 4f series. It’s atomic number is 64. Which of the following is the correct electronic configuration of gadolinium?
Q.13 Correct
Q.13 In-correct
Q.13 Unattempt

What is the pH of the resulting solution when equal volumes of 0.1 M NaOH and 0.01 M HCl are mixed?

What is the pH of the resulting solution when equal volumes of 0.1 M NaOH and 0.01 M HCl are mixed?

Q.14 Correct
Q.14 In-correct
Q.14 Unattempt
Decreasing order of stability of is
Decreasing order of stability of is
Q.15 Correct
Q.15 In-correct
Q.15 Unattempt
The correct statement regarding defects in the crystalline solid is
The correct statement regarding defects in the crystalline solid is
Q.16 Correct
Q.16 In-correct
Q.16 Unattempt
Which of the following statements is not correct for a nucleophile?
Which of the following statements is not correct for a nucleophile?
Q.17 Correct
Q.17 In-correct
Q.17 Unattempt
The hybridization involved in complex is (Atomic number of Ni=28)
The hybridization involved in complex is (Atomic number of Ni=28)
Q.18 Correct
Q.18 In-correct
Q.18 Unattempt
The stability of +1 oxidation state among Al, Ga, In and Tl increases in the sequence
The stability of +1 oxidation state among Al, Ga, In and Tl increases in the sequence
Q.19 Correct
Q.19 In-correct
Q.19 Unattempt

The sum of coordination number and oxidation number of the metal M in the complex [M(en)2(C2O4)-]Cl is -

The sum of coordination number and oxidation number of the metal M in the complex [M(en)2(C2O4)-]Cl is -
Q.20 Correct
Q.20 In-correct
Q.20 Unattempt
Which of the statements given below is incorrect?
Which of the statements given below is incorrect?
Q.21 Correct
Q.21 In-correct
Q.21 Unattempt
In the extraction of copper from its sulphide ore, the metal finally obtained by the reduction of cuprous oxide with
In the extraction of copper from its sulphide ore, the metal finally obtained by the reduction of cuprous oxide with
Q.22 Correct
Q.22 In-correct
Q.22 Unattempt
Which one of the following pairs of solution is not an acidic buffer?
Which one of the following pairs of solution is not an acidic buffer?
Q.23 Correct
Q.23 In-correct
Q.23 Unattempt
Assuming complete ionization, same moles of which of the following compounds will require the least amount of acidified KMnO4 for complex oxidation?
Assuming complete ionization, same moles of which of the following compounds will require the least amount of acidified KMnO4 for complex oxidation?
Q.24 Correct
Q.24 In-correct
Q.24 Unattempt
The number of structural isomers possible from the molecular formula C3H9N is
The number of structural isomers possible from the molecular formula C3H9N is
Q.25 Correct
Q.25 In-correct
Q.25 Unattempt
20.0 g of a magnesium carbonate sample decomposes on heating to give carbon dioxide and 8.0 magnesium oxide. What will be the percentage purity of magnesium carbonate in the sample? (Atomic weight of Mg=24)
20.0 g of a magnesium carbonate sample decomposes on heating to give carbon dioxide and 8.0 magnesium oxide. What will be the percentage purity of magnesium carbonate in the sample? (Atomic weight of Mg=24)
Q.26 Correct
Q.26 In-correct
Q.26 Unattempt
Two possible stereo-structures of CH3CHOH.COOH, which are optically active, are called
Two possible stereo-structures of CH3CHOH.COOH, which are optically active, are called
Q.27 Correct
Q.27 In-correct
Q.27 Unattempt

The heat of combustion of carbon to CO2 is -393.5 KJ/mol. The heat released upon the formation of 35.2 g of CO2 from carbon and oxygen gas is

The heat of combustion of carbon to CO2 is -393.5 KJ/mol. The heat released upon the formation of 35.2 g of CO2 from carbon and oxygen gas is

Q.28 Correct
Q.28 In-correct
Q.28 Unattempt
The rate Constant of the reaction A B is 0, 6 X 10-3 mole per second. If the Concentration of A is 5M, then concentration of B after 20 min is
The rate Constant of the reaction A B is 0, 6 X 10-3 mole per second. If the Concentration of A is 5M, then concentration of B after 20 min is
Q.29 Correct
Q.29 In-correct
Q.29 Unattempt
The formation of the oxide ion O2- (g), from oxygen atom requires first an exothermic and then an endothermic step as shown below,

Thus, process of formation of O2- in gas phase is unfavorable even though O2- is isoelectronic with neon. It is due to the fact that
The formation of the oxide ion O2- (g), from oxygen atom requires first an exothermic and then an endothermic step as shown below,

Thus, process of formation of O2- in gas phase is unfavorable even though O2- is isoelectronic with neon. It is due to the fact that
Q.30 Correct
Q.30 In-correct
Q.30 Unattempt
What is the mass of precipitate formed when 50 mL of 16.9% solution of AgNO3 is mixed with 50 mL of 5.8% NaCl solution? (Ag = 107.8, N = 14, O = 16, Na= 23, Cl = 35.5)
What is the mass of precipitate formed when 50 mL of 16.9% solution of AgNO3 is mixed with 50 mL of 5.8% NaCl solution? (Ag = 107.8, N = 14, O = 16, Na= 23, Cl = 35.5)
Q.31 Correct
Q.31 In-correct
Q.31 Unattempt
Which is the correct order of increasing energy of the listed orbital’s in the atom of titanium?
Which is the correct order of increasing energy of the listed orbital’s in the atom of titanium?
Q.32 Correct
Q.32 In-correct
Q.32 Unattempt
Reaction of a carbonyl compound with one of the following reagents involves nucleophilic addition followed by the elimination of water. The reagents is
Reaction of a carbonyl compound with one of the following reagents involves nucleophilic addition followed by the elimination of water. The reagents is
Q.33 Correct
Q.33 In-correct
Q.33 Unattempt
The variation of the boiling point of the hydrogen halides is in the order HF > HI >HBr>HCl, What explains the higher boiling point of hydrogen fluoride?
The variation of the boiling point of the hydrogen halides is in the order HF > HI >HBr>HCl, What explains the higher boiling point of hydrogen fluoride?
Q.34 Correct
Q.34 In-correct
Q.34 Unattempt
The IUPAC name of complex ion, [Fe(CN)6]3- is
The IUPAC name of complex ion, [Fe(CN)6]3- is
Q.35 Correct
Q.35 In-correct
Q.35 Unattempt
Method by which aniline cannot be prepared is
Method by which aniline cannot be prepared is
Q.36 Correct
Q.36 In-correct
Q.36 Unattempt
If the equilibrium constant for is K, the equilibrium constant for
will be,
If the equilibrium constant for is K, the equilibrium constant for
will be,
Q.37 Correct
Q.37 In-correct
Q.37 Unattempt
Strong reducing behavior of H3PO2 is due to
Strong reducing behavior of H3PO2 is due to
Q.38 Correct
Q.38 In-correct
Q.38 Unattempt

2,3-dimethyl-2-butene can be prepared by heating which of the following compounds with a strong acid?

2,3-dimethyl-2-butene can be prepared by heating which of the following compounds with a strong acid?

Q.39 Correct
Q.39 In-correct
Q.39 Unattempt
Aqueous solution of which of the following compounds is the best conductor of electric current?
Aqueous solution of which of the following compounds is the best conductor of electric current?
Q.40 Correct
Q.40 In-correct
Q.40 Unattempt
The vacant space in bcc lattice cell is
The vacant space in bcc lattice cell is
Q.41 Correct
Q.41 In-correct
Q.41 Unattempt
What is the mole fraction of the solute in a 1.00 m aqueous solution?
What is the mole fraction of the solute in a 1.00 m aqueous solution?
Q.42 Correct
Q.42 In-correct
Q.42 Unattempt
The oxidation of benzene by V2O5 in the presence of air produces
The oxidation of benzene by V2O5 in the presence of air produces
Q.43 Correct
Q.43 In-correct
Q.43 Unattempt
Caprolactum is used for the manufacture of
Caprolactum is used for the manufacture of
Q.44 Correct
Q.44 In-correct
Q.44 Unattempt
The following reaction,

Is known by the name
The following reaction,

Is known by the name
Q.45 Correct
Q.45 In-correct
Q.45 Unattempt
The number of water molecules is maximum in
The number of water molecules is maximum in
Q.1 Correct
Q.1 In-correct
Q.1 Unattempt
Read the different components from I to IV in the list given below and tell the correct order of the components with reference to their arrangement from outer side to inner side in a woody dicot stem
I. Secondary Cortex
II. Wood
III. Secondary phloem
IV. Phellem
The correct order is
Read the different components from I to IV in the list given below and tell the correct order of the components with reference to their arrangement from outer side to inner side in a woody dicot stem
I. Secondary Cortex
II. Wood
III. Secondary phloem
IV. Phellem
The correct order is
Q.2 Correct
Q.2 In-correct
Q.2 Unattempt
Chromatophores take part in
Chromatophores take part in
Q.3 Correct
Q.3 In-correct
Q.3 Unattempt
Which of the following joints would allow no movement?
Which of the following joints would allow no movement?
Q.4 Correct
Q.4 In-correct
Q.4 Unattempt
The wheat grain has an embryo with one large, shield-shaped cotyledon known as
The wheat grain has an embryo with one large, shield-shaped cotyledon known as
Q.5 Correct
Q.5 In-correct
Q.5 Unattempt
A gene showing co-dominance has
A gene showing co-dominance has
Q.6 Correct
Q.6 In-correct
Q.6 Unattempt
Which of the following structure is not found in a prokaryotic cell?
Which of the following structure is not found in a prokaryotic cell?
Q.7 Correct
Q.7 In-correct
Q.7 Unattempt
The term "linkage" was coined by
The term "linkage" was coined by
Q.8 Correct
Q.8 In-correct
Q.8 Unattempt
The imperfect fungi which are decomposers of litter and help in mineral cycling belong to
The imperfect fungi which are decomposers of litter and help in mineral cycling belong to
Q.9 Correct
Q.9 In-correct
Q.9 Unattempt
Match the columns and identify the correct option.

Column 1 Column 2
A. Thylakoids 1. Disc-shaped sacs in golgi apparatus
B. Cristae 2. Condensed structure of DNA
C. Cisternae 3. Flat membranous sacs in stroma
D. Chromatin 4. Infoldings in mitochondria
Match the columns and identify the correct option.

Column 1 Column 2
A. Thylakoids 1. Disc-shaped sacs in golgi apparatus
B. Cristae 2. Condensed structure of DNA
C. Cisternae 3. Flat membranous sacs in stroma
D. Chromatin 4. Infoldings in mitochondria
Q.10 Correct
Q.10 In-correct
Q.10 Unattempt
Select wrong statement.
Select wrong statement.
Q.11 Correct
Q.11 In-correct
Q.11 Unattempt
During biological nitrogen fixation, inactivation of nitrogenase by oxygen poisoning is prevented by
During biological nitrogen fixation, inactivation of nitrogenase by oxygen poisoning is prevented by
Q.12 Correct
Q.12 In-correct
Q.12 Unattempt
The species confined to a particular region and not found elsewhere is termed as
The species confined to a particular region and not found elsewhere is termed as
Q.13 Correct
Q.13 In-correct
Q.13 Unattempt
Which one of the following hormones is not involved in sugar metabolism?
Which one of the following hormones is not involved in sugar metabolism?
Q.14 Correct
Q.14 In-correct
Q.14 Unattempt
Which of the following is not a function of the skeletal system?
Which of the following is not a function of the skeletal system?
Q.15 Correct
Q.15 In-correct
Q.15 Unattempt
Which one of the following is not applicable to RNA?
Which one of the following is not applicable to RNA?
Q.16 Correct
Q.16 In-correct
Q.16 Unattempt
Which one is a wrong statement?
Which one is a wrong statement?
Q.17 Correct
Q.17 In-correct
Q.17 Unattempt
A childless couple can be assisted to have a child through a technique called GIFT. The full form of this technique is
A childless couple can be assisted to have a child through a technique called GIFT. The full form of this technique is
Q.18 Correct
Q.18 In-correct
Q.18 Unattempt
The wings of a bird and the wings of an insect are
The wings of a bird and the wings of an insect are
Q.19 Correct
Q.19 In-correct
Q.19 Unattempt
Golden rice is a genetically modified Crop plant where the incorporated gene is meant for biosynthesis of
Golden rice is a genetically modified Crop plant where the incorporated gene is meant for biosynthesis of
Q.20 Correct
Q.20 In-correct
Q.20 Unattempt
Outbreeding is an important strategy in animal husbandry because it
Outbreeding is an important strategy in animal husbandry because it
Q.21 Correct
Q.21 In-correct
Q.21 Unattempt
Which one of the following hormones though synthesized elsewhere, is stored and released by the master gland?
Which one of the following hormones though synthesized elsewhere, is stored and released by the master gland?
Q.22 Correct
Q.22 In-correct
Q.22 Unattempt
An association of individuals of different species living in the same habitat and having functional interactions is
An association of individuals of different species living in the same habitat and having functional interactions is
Q.23 Correct
Q.23 In-correct
Q.23 Unattempt
In which of the following both pairs have correct combination?
In which of the following both pairs have correct combination?
Q.24 Correct
Q.24 In-correct
Q.24 Unattempt
Identify the correct order of organization of genetic material from largest to smallest.
Identify the correct order of organization of genetic material from largest to smallest.
Q.25 Correct
Q.25 In-correct
Q.25 Unattempt
A jawless fish, which lays eggs in freshwater and whose ammocoetes larvae after metamorphosis return to the ocean is
A jawless fish, which lays eggs in freshwater and whose ammocoetes larvae after metamorphosis return to the ocean is
Q.26 Correct
Q.26 In-correct
Q.26 Unattempt
Industrial melanism is an example of
Industrial melanism is an example of
Q.27 Correct
Q.27 In-correct
Q.27 Unattempt
Cell wall is absent in
Cell wall is absent in
Q.28 Correct
Q.28 In-correct
Q.28 Unattempt
The chitinous exoskeleton of arthropods is formed by the polymerization of
The chitinous exoskeleton of arthropods is formed by the polymerization of
Q.29 Correct
Q.29 In-correct
Q.29 Unattempt
Filiform apparatus is a characteristic feature of
Filiform apparatus is a characteristic feature of
Q.30 Correct
Q.30 In-correct
Q.30 Unattempt
In angiosperms, microsporogenesis and megasporogenesis
In angiosperms, microsporogenesis and megasporogenesis
Q.31 Correct
Q.31 In-correct
Q.31 Unattempt
Metagenesis refers to
Metagenesis refers to
Q.32 Correct
Q.32 In-correct
Q.32 Unattempt
Which of the following immunoglobulins does constitute the largest percentage in human milk?
Which of the following immunoglobulins does constitute the largest percentage in human milk?
Q.33 Correct
Q.33 In-correct
Q.33 Unattempt
Destruction of the anterior horn cells of the spinal cord would result in loss of
Destruction of the anterior horn cells of the spinal cord would result in loss of
Q.34 Correct
Q.34 In-correct
Q.34 Unattempt
The cutting of DNA at specific locations became possible with the discovery of
The cutting of DNA at specific locations became possible with the discovery of
Q.35 Correct
Q.35 In-correct
Q.35 Unattempt
In the following human pedigree, the filled symbols represent the affected individuals. Identify the type of given pedigree
In the following human pedigree, the filled symbols represent the affected individuals. Identify the type of given pedigree
Q.36 Correct
Q.36 In-correct
Q.36 Unattempt

A colour-blind man marries a woman with normal sight who has no history of colour blindness in her family. What is the probability of their grandson being colour blind? (consider the grandsons only through son)

A colour-blind man marries a woman with normal sight who has no history of colour blindness in her family. What is the probability of their grandson being colour blind? (consider the grandsons only through son)
Q.37 Correct
Q.37 In-correct
Q.37 Unattempt
Flowers are unisexual in
Flowers are unisexual in
Q.38 Correct
Q.38 In-correct
Q.38 Unattempt
Roots play insignificant role in absorption of water in
Roots play insignificant role in absorption of water in
Q.39 Correct
Q.39 In-correct
Q.39 Unattempt
Balbiani rings are sites of
Balbiani rings are sites of
Q.40 Correct
Q.40 In-correct
Q.40 Unattempt
Which of the following pairs is not correctly match?
Which of the following pairs is not correctly match?
Q.41 Correct
Q.41 In-correct
Q.41 Unattempt
Ectopic pregnancies are referred to as
Ectopic pregnancies are referred to as
Q.42 Correct
Q.42 In-correct
Q.42 Unattempt
Choose the wrong statement.
Choose the wrong statement.
Q.43 Correct
Q.43 In-correct
Q.43 Unattempt
The function of the gap junction is to
The function of the gap junction is to
Q.44 Correct
Q.44 In-correct
Q.44 Unattempt
Axile placentation is present in
Axile placentation is present in
Q.45 Correct
Q.45 In-correct
Q.45 Unattempt
Which of the following is not membrane bound?
Which of the following is not membrane bound?
Q.46 Correct
Q.46 In-correct
Q.46 Unattempt
In his classic experiments on pea plants Mendel did not use
In his classic experiments on pea plants Mendel did not use
Q.47 Correct
Q.47 In-correct
Q.47 Unattempt
During ecological succession
During ecological succession
Q.48 Correct
Q.48 In-correct
Q.48 Unattempt
The body cells in Cockroach discharge the nitrogenous waste in the hemolymph mainly in the form of
The body cells in Cockroach discharge the nitrogenous waste in the hemolymph mainly in the form of
Q.49 Correct
Q.49 In-correct
Q.49 Unattempt
Which of the following biomolecules have a phosphodiester bond?
Which of the following biomolecules have a phosphodiester bond?
Q.50 Correct
Q.50 In-correct
Q.50 Unattempt
The UN Conference of Parties on climate change in the year 2012 was held at
The UN Conference of Parties on climate change in the year 2012 was held at
Q.51 Correct
Q.51 In-correct
Q.51 Unattempt
Arrange the following events of meiosis in correct Sequences
I. Crossing over
II. Synapsis
III. Terminalisation of chiasmata
IV. Disappearance of nucleolus
Arrange the following events of meiosis in correct Sequences
I. Crossing over
II. Synapsis
III. Terminalisation of chiasmata
IV. Disappearance of nucleolus
Q.52 Correct
Q.52 In-correct
Q.52 Unattempt
Root pressure develops due to
Root pressure develops due to
Q.53 Correct
Q.53 In-correct
Q.53 Unattempt
Which one of the following animals has two separate circulatory pathways?
Which one of the following animals has two separate circulatory pathways?
Q.54 Correct
Q.54 In-correct
Q.54 Unattempt
Which of the following events in not associated with ovulation in human female?
Which of the following events in not associated with ovulation in human female?
Q.55 Correct
Q.55 In-correct
Q.55 Unattempt
Most animals that live in the deep oceanic water are
Most animals that live in the deep oceanic water are
Q.56 Correct
Q.56 In-correct
Q.56 Unattempt
If you suspect major deficiency of antibodies in a person, to which of the following would you look for confirmatory evidence?
If you suspect major deficiency of antibodies in a person, to which of the following would you look for confirmatory evidence?
Q.57 Correct
Q.57 In-correct
Q.57 Unattempt
The structures that help some bacteria to attach to rocks and/or host tissues are
The structures that help some bacteria to attach to rocks and/or host tissues are
Q.58 Correct
Q.58 In-correct
Q.58 Unattempt
Increase in concentration of the toxicant at successive tropic levels is known as
Increase in concentration of the toxicant at successive tropic levels is known as
Q.59 Correct
Q.59 In-correct
Q.59 Unattempt
Body having meshwork of cells, internal cavities lined with food filtering flagellated Cells and indirect development is the characteristics of phylum
Body having meshwork of cells, internal cavities lined with food filtering flagellated Cells and indirect development is the characteristics of phylum
Q.60 Correct
Q.60 In-correct
Q.60 Unattempt
The oxygen evolved during photosynthesis comes from water molecules. Which one of the following pairs of elements involved in this reaction?
The oxygen evolved during photosynthesis comes from water molecules. Which one of the following pairs of elements involved in this reaction?
Q.61 Correct
Q.61 In-correct
Q.61 Unattempt
The primary dentition in human differs from permanent dentition in not having one of the following types of teeth
The primary dentition in human differs from permanent dentition in not having one of the following types of teeth
Q.62 Correct
Q.62 In-correct
Q.62 Unattempt
Coconut water from a tender coconut is
Coconut water from a tender coconut is
Q.63 Correct
Q.63 In-correct
Q.63 Unattempt
Which of the following layers in an antral follicle is acellular?
Which of the following layers in an antral follicle is acellular?
Q.64 Correct
Q.64 In-correct
Q.64 Unattempt
The introduction of tDNA into plants involves
The introduction of tDNA into plants involves
Q.65 Correct
Q.65 In-correct
Q.65 Unattempt
In which group of organisms the Cell walls form two thin overlapping shells which fit together?
In which group of organisms the Cell walls form two thin overlapping shells which fit together?
Q.66 Correct
Q.66 In-correct
Q.66 Unattempt
Human urine is usually acidic because
Human urine is usually acidic because
Q.67 Correct
Q.67 In-correct
Q.67 Unattempt
In photosynthesis, the light-independent reactions take place at
In photosynthesis, the light-independent reactions take place at
Q.68 Correct
Q.68 In-correct
Q.68 Unattempt
In mammalian eye, the ‘fovea’ is the center of the visual field, where
In mammalian eye, the ‘fovea’ is the center of the visual field, where
Q.69 Correct
Q.69 In-correct
Q.69 Unattempt
The DNA molecules to which the gene of interest is integrated for cloning is called
The DNA molecules to which the gene of interest is integrated for cloning is called
Q.70 Correct
Q.70 In-correct
Q.70 Unattempt
Pick up the wrong statement.
Pick up the wrong statement.
Q.71 Correct
Q.71 In-correct
Q.71 Unattempt
Among China rose, mustard, brinjal, potato, guava, cucumber, onion and tulip, how many plants have superior ovary?
Among China rose, mustard, brinjal, potato, guava, cucumber, onion and tulip, how many plants have superior ovary?
Q.72 Correct
Q.72 In-correct
Q.72 Unattempt
Name the pulmonary disease in which alveolar surface area involved in gas exchange is drastically reduced due to damage in the alveolar walls.
Name the pulmonary disease in which alveolar surface area involved in gas exchange is drastically reduced due to damage in the alveolar walls.
Q.73 Correct
Q.73 In-correct
Q.73 Unattempt
A column of water within xylem vessels of tall trees does not break under its weight because of
A column of water within xylem vessels of tall trees does not break under its weight because of
Q.74 Correct
Q.74 In-correct
Q.74 Unattempt
Acid rain is caused by increases in the atmospheric concentration of
Acid rain is caused by increases in the atmospheric concentration of
Q.75 Correct
Q.75 In-correct
Q.75 Unattempt
The enzyme that is not present in succus entericus is
The enzyme that is not present in succus entericus is
Q.76 Correct
Q.76 In-correct
Q.76 Unattempt
In which of the following interactions both partners are adversely affected?
In which of the following interactions both partners are adversely affected?
Q.77 Correct
Q.77 In-correct
Q.77 Unattempt
Match the following list of microbes and their importance
Match the following list of microbes and their importance
Q.78 Correct
Q.78 In-correct
Q.78 Unattempt
A pleiotropic gene
A pleiotropic gene
Q.79 Correct
Q.79 In-correct
Q.79 Unattempt
A protoplast is a cell
A protoplast is a cell
Q.80 Correct
Q.80 In-correct
Q.80 Unattempt
Which of the following are most suitable indicators of SO2 pollution in the environment?
Which of the following are most suitable indicators of SO2 pollution in the environment?
Q.81 Correct
Q.81 In-correct
Q.81 Unattempt
Grafted kidney may be rejected in a patient due to
Grafted kidney may be rejected in a patient due to
Q.82 Correct
Q.82 In-correct
Q.82 Unattempt
Which one of the following fruits is parthenocarpic?
Which one of the following fruits is parthenocarpic?
Q.83 Correct
Q.83 In-correct
Q.83 Unattempt
Which of the following diseases is caused by a protozoan?
Which of the following diseases is caused by a protozoan?
Q.84 Correct
Q.84 In-correct
Q.84 Unattempt
In human females, meiosis-II is not competed until
In human females, meiosis-II is not competed until
Q.85 Correct
Q.85 In-correct
Q.85 Unattempt
Male gametophyte in angiosperms produces
Male gametophyte in angiosperms produces
Q.86 Correct
Q.86 In-correct
Q.86 Unattempt
Doctors use stethoscope to hear the sounds produced during each cardiac cycle. The second sound is heard when
Doctors use stethoscope to hear the sounds produced during each cardiac cycle. The second sound is heard when
Q.87 Correct
Q.87 In-correct
Q.87 Unattempt
Auxin can be bioassayed by
Auxin can be bioassayed by
Q.88 Correct
Q.88 In-correct
Q.88 Unattempt
Satellite DNA is important because it
Satellite DNA is important because it
Q.89 Correct
Q.89 In-correct
Q.89 Unattempt
Cellular organelles with membranes are
Cellular organelles with membranes are
Q.90 Correct
Q.90 In-correct
Q.90 Unattempt
Eutrophication of water bodies leading to killing of fishes is mainly due to non-availability of
Eutrophication of water bodies leading to killing of fishes is mainly due to non-availability of
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