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Solution
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Q.1 Correct
Q.1 In-correct
Q.1 Unattempt
A spring of force constant k is cut into lengths of ratio 1: 2: 3. They are connected in series and the new force constant is k'. Then they are connected in parallel and force constant is k’’. Then k’: k’’ is
A spring of force constant k is cut into lengths of ratio 1: 2: 3. They are connected in series and the new force constant is k'. Then they are connected in parallel and force constant is k’’. Then k’: k’’ is
Q.2 Correct
Q.2 In-correct
Q.2 Unattempt
The ratio of resolving powers of an optical microscope for two wavelengths =4000 and is:-
The ratio of resolving powers of an optical microscope for two wavelengths =4000 and is:-
Q.3 Correct
Q.3 In-correct
Q.3 Unattempt
The two nearest harmonics of a tube closed at one end and open at other end are 220 Hz and 260 Hz. What is the fundamental frequency of the system?
The two nearest harmonics of a tube closed at one end and open at other end are 220 Hz and 260 Hz. What is the fundamental frequency of the system?
Q.4 Correct
Q.4 In-correct
Q.4 Unattempt
Consider a drop of rainwater having mass 1gm falling from a height of 1 km. It hits the ground with a speed of 50 m/s. Take 'g' constant with a value 10 m/s2.
The work done by the (i) gravitational force and the (ii) resistive force of air is:-
Consider a drop of rainwater having mass 1gm falling from a height of 1 km. It hits the ground with a speed of 50 m/s. Take 'g' constant with a value 10 m/s2.
The work done by the (i) gravitational force and the (ii) resistive force of air is:-
Q.5 Correct
Q.5 In-correct
Q.5 Unattempt
A physical quantity of the dimensions of length that can be formed out of c, G and is [c is velocity of light, G is universal constant of gravitational and e is charge]:-
A physical quantity of the dimensions of length that can be formed out of c, G and is [c is velocity of light, G is universal constant of gravitational and e is charge]:-
Q.6 Correct
Q.6 In-correct
Q.6 Unattempt
Two rods A and B of different materials are welded together as shown in the figure. Their thermal conductivities are K1 and K2. The thermal conductivity of the composite rod will be:-
Two rods A and B of different materials are welded together as shown in the figure. Their thermal conductivities are K1 and K2. The thermal conductivity of the composite rod will be:-
Q.7 Correct
Q.7 In-correct
Q.7 Unattempt
A capacitor is charged by a battery. The battery is removed and another identical uncharged capacitor is connected in parallel. The total electrostatic energy of resulting system:-
A capacitor is charged by a battery. The battery is removed and another identical uncharged capacitor is connected in parallel. The total electrostatic energy of resulting system:-
Q.8 Correct
Q.8 In-correct
Q.8 Unattempt
In a common emitter transistor amplifier the audio signal voltage across the collector is 3V. The resistance of collector is 3k. If current gain is 100 and the base resistance is 2k, the voltage and power gain of the amplifier is:-
In a common emitter transistor amplifier the audio signal voltage across the collector is 3V. The resistance of collector is 3k. If current gain is 100 and the base resistance is 2k, the voltage and power gain of the amplifier is:-
Q.9 Correct
Q.9 In-correct
Q.9 Unattempt
Thermodynamic processes are indicating in the following diagram:
 
Match the following
Column-I                   Column-II
P. Process I                  a. Adiabatic
Q. Process II                b. Isobaric
R. Process III               c. Isochoric
S. Process IV               d. Isothermal
Thermodynamic processes are indicating in the following diagram:
 
Match the following
Column-I                   Column-II
P. Process I                  a. Adiabatic
Q. Process II                b. Isobaric
R. Process III               c. Isochoric
S. Process IV               d. Isothermal
Q.10 Correct
Q.10 In-correct
Q.10 Unattempt
Suppose the charge of a proton and an electron differ slightly. One of them is –e, the other is (e+ e). If the net of electrostatic force and gravitational force between two hydrogen atoms placed at a distance d (much greater than atomic size) apart is zero, then e is of the order of [Given mass of hydrogen ]
Suppose the charge of a proton and an electron differ slightly. One of them is –e, the other is (e+ e). If the net of electrostatic force and gravitational force between two hydrogen atoms placed at a distance d (much greater than atomic size) apart is zero, then e is of the order of [Given mass of hydrogen ]
Q.11 Correct
Q.11 In-correct
Q.11 Unattempt
The resistance of a wire is ‘R’ ohm. If it is melted and stretched ‘n’ times its original length, its new resistance will be:-
The resistance of a wire is ‘R’ ohm. If it is melted and stretched ‘n’ times its original length, its new resistance will be:-
Q.12 Correct
Q.12 In-correct
Q.12 Unattempt
The given electrical network is equivalent to:
The given electrical network is equivalent to:
Q.13 Correct
Q.13 In-correct
Q.13 Unattempt
The de-Broglie wavelength of a neutron in thermal equilibrium with heavy water at a temperature T (Kelvin) and mass m, is:-
The de-Broglie wavelength of a neutron in thermal equilibrium with heavy water at a temperature T (Kelvin) and mass m, is:-
Q.14 Correct
Q.14 In-correct
Q.14 Unattempt
Which one of the following represents forward bias diode?
Which one of the following represents forward bias diode?
Q.15 Correct
Q.15 In-correct
Q.15 Unattempt
A long solenoid of diameter 0.1 m has turns per meter. At the center of the solenoid, a coil of 100 turns and radius 0.01 m is placed with its axis coinciding with solenoid axis. The current in the solenoid reduces at a constant rate to 0A from 4A in 0.05 s. If the resistance of the coil is . The total charge flowing through the coil during this time is:-
A long solenoid of diameter 0.1 m has turns per meter. At the center of the solenoid, a coil of 100 turns and radius 0.01 m is placed with its axis coinciding with solenoid axis. The current in the solenoid reduces at a constant rate to 0A from 4A in 0.05 s. If the resistance of the coil is . The total charge flowing through the coil during this time is:-
Q.16 Correct
Q.16 In-correct
Q.16 Unattempt
Preeti reached the metro station and found that the escalator was not working. She walked up the stationary escalator in time t1. On other days, if she remains stationary on the moving escalator, then the escalator takes her up in time t2. The time taken by her to walk upon the moving escalator will be:
Preeti reached the metro station and found that the escalator was not working. She walked up the stationary escalator in time t1. On other days, if she remains stationary on the moving escalator, then the escalator takes her up in time t2. The time taken by her to walk upon the moving escalator will be:
Q.17 Correct
Q.17 In-correct
Q.17 Unattempt
Young’s double slit experiment is first performed in air and then in a medium other then air. It is found that 8th bright fringe in the medium lies where 5th dark fringe lies in air. The refractive index of the medium is nearly:-
Young’s double slit experiment is first performed in air and then in a medium other then air. It is found that 8th bright fringe in the medium lies where 5th dark fringe lies in air. The refractive index of the medium is nearly:-
Q.18 Correct
Q.18 In-correct
Q.18 Unattempt
A beam of light from a source of L is incident normally on a plane mirror fixed at a certain distance x from the source. The beam is reflected back as a spot on a scale placed just above the source I. When the mirror is rotated through a small angle , the spot of the light is found to move through a distance y on the scale. The angle is given by:-
A beam of light from a source of L is incident normally on a plane mirror fixed at a certain distance x from the source. The beam is reflected back as a spot on a scale placed just above the source I. When the mirror is rotated through a small angle , the spot of the light is found to move through a distance y on the scale. The angle is given by:-
Q.19 Correct
Q.19 In-correct
Q.19 Unattempt
If and be the apparent angles of dip observed in two vertical planes at right angles to each other, then the true angle of dip is given by:-
If and be the apparent angles of dip observed in two vertical planes at right angles to each other, then the true angle of dip is given by:-
Q.20 Correct
Q.20 In-correct
Q.20 Unattempt
Two cars moving in opposite directions approach each other with speed of 22 m/s and 16.5 m/s respectively. The driver of the first car blows a horn having a frequency 400 Hz. The frequency heard by the driver of the second car is [velocity of sound 340 m/s]:-
Two cars moving in opposite directions approach each other with speed of 22 m/s and 16.5 m/s respectively. The driver of the first car blows a horn having a frequency 400 Hz. The frequency heard by the driver of the second car is [velocity of sound 340 m/s]:-
Q.21 Correct
Q.21 In-correct
Q.21 Unattempt
Two blocks A and B of masses 3 m and m respectively are connected by a massless and inextensible string. The whole system is suspended by a massless spring as shown in figure. The magnitudes of acceleration of A and B immediately after the string is cut, are respectively
Two blocks A and B of masses 3 m and m respectively are connected by a massless and inextensible string. The whole system is suspended by a massless spring as shown in figure. The magnitudes of acceleration of A and B immediately after the string is cut, are respectively
Q.22 Correct
Q.22 In-correct
Q.22 Unattempt
A thin prism having refracting angle 100 is made of glass of refractive index 1.42. This prism is combined with another thin prism of glass of refractive index 1.7. This combination produces dispersion without deviation. The refracting angle of second prism should be:-
A thin prism having refracting angle 100 is made of glass of refractive index 1.42. This prism is combined with another thin prism of glass of refractive index 1.7. This combination produces dispersion without deviation. The refracting angle of second prism should be:-
Q.23 Correct
Q.23 In-correct
Q.23 Unattempt
The acceleration due to gravity at a height 1 km above the earth is the same as at a depth d below the surface of earth. Then:-
The acceleration due to gravity at a height 1 km above the earth is the same as at a depth d below the surface of earth. Then:-
Q.24 Correct
Q.24 In-correct
Q.24 Unattempt
A potentiometer is an accurate and versatile device to make electrical measurements of E.M.F. because the method involves:-
A potentiometer is an accurate and versatile device to make electrical measurements of E.M.F. because the method involves:-
Q.25 Correct
Q.25 In-correct
Q.25 Unattempt
A spherical black body with a radius of 12 cm radiates 450 watt power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watt would be:-
A spherical black body with a radius of 12 cm radiates 450 watt power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watt would be:-
Q.26 Correct
Q.26 In-correct
Q.26 Unattempt
Figure shows a circuit that contains three identical resistors with resistance R = 9.0 each, two identical inductors with inductance L = 2.0 mH each, and an ideal battery with emf = 18V. The current 'i' through the battery just after the switch closed is
Figure shows a circuit that contains three identical resistors with resistance R = 9.0 each, two identical inductors with inductance L = 2.0 mH each, and an ideal battery with emf = 18V. The current 'i' through the battery just after the switch closed is
Q.27 Correct
Q.27 In-correct
Q.27 Unattempt
radioactive material 'A' has decayed constant '8' and material 'B' has decay constant ''. Initially they have same number of nuclei. After what time, the ratio of number of nuclei of material 'A' to that 'B' will be ?
radioactive material 'A' has decayed constant '8' and material 'B' has decay constant ''. Initially they have same number of nuclei. After what time, the ratio of number of nuclei of material 'A' to that 'B' will be ?
Q.28 Correct
Q.28 In-correct
Q.28 Unattempt
The diagrams below show regions of equipotential.

A positive charge is moved from A to B in each diagram.
The diagrams below show regions of equipotential.

A positive charge is moved from A to B in each diagram.
Q.29 Correct
Q.29 In-correct
Q.29 Unattempt
Two astronauts are floating in gravitational free space after having lost contact with their spaceship. The two will:-
Two astronauts are floating in gravitational free space after having lost contact with their spaceship. The two will:-
Q.30 Correct
Q.30 In-correct
Q.30 Unattempt
The x and y coordinates of the particle at any time are and y= 10t respectively, where x and y are in meters and t in seconds. The acceleration of the particle at t= 2s is
The x and y coordinates of the particle at any time are and y= 10t respectively, where x and y are in meters and t in seconds. The acceleration of the particle at t= 2s is
Q.31 Correct
Q.31 In-correct
Q.31 Unattempt
One end of the string of length ‘l’ is connected to a particle of mass ‘m’ and the other end is connected to a small peg on a smooth horizontal table. If the particle moves in a circle with speed 'v' the net force on the particle (directed towards the centre) will be (T represents the tension in the string):-
One end of the string of length ‘l’ is connected to a particle of mass ‘m’ and the other end is connected to a small peg on a smooth horizontal table. If the particle moves in a circle with speed 'v' the net force on the particle (directed towards the centre) will be (T represents the tension in the string):-
Q.32 Correct
Q.32 In-correct
Q.32 Unattempt
A particle executes linear simple harmonic motion with amplitude of 3 cm. When the particle is at 2 cm from the mean position, the magnitude of its velocity is equal to that of its acceleration. Then its time period in seconds is:-
A particle executes linear simple harmonic motion with amplitude of 3 cm. When the particle is at 2 cm from the mean position, the magnitude of its velocity is equal to that of its acceleration. Then its time period in seconds is:-
Q.33 Correct
Q.33 In-correct
Q.33 Unattempt
Two Polaroids P1 and P2 are placed with their axis perpendicular to each other. Unpolarised light of intensity Io is incident on P1. A third polaroid P3 is kept in between P1 and P2 such that its axis makes an angle 45 ° with that of P1. The intensity of transmitted light through P2 is:-
Two Polaroids P1 and P2 are placed with their axis perpendicular to each other. Unpolarised light of intensity Io is incident on P1. A third polaroid P3 is kept in between P1 and P2 such that its axis makes an angle 45 ° with that of P1. The intensity of transmitted light through P2 is:-
Q.34 Correct
Q.34 In-correct
Q.34 Unattempt

The bulk modulus of a spherical object is 'B'. If it is subjected to uniform pressure 'p', the fractional decrease in radius is:-

The bulk modulus of a spherical object is 'B'. If it is subjected to uniform pressure 'p', the fractional decrease in radius is:-

Q.35 Correct
Q.35 In-correct
Q.35 Unattempt
In an electromagnetic wave in free space the root mean square value of the electric field is Erms = 6V/m. The peak value of the magnetic field is:-
In an electromagnetic wave in free space the root mean square value of the electric field is Erms = 6V/m. The peak value of the magnetic field is:-
Q.36 Correct
Q.36 In-correct
Q.36 Unattempt
A rope is wound around a hollow cylinder of mass 3 kg and radius 40 cm. What is the angular acceleration of the cylinder if the rope is pulled with a force of 30 N?
A rope is wound around a hollow cylinder of mass 3 kg and radius 40 cm. What is the angular acceleration of the cylinder if the rope is pulled with a force of 30 N?
Q.37 Correct
Q.37 In-correct
Q.37 Unattempt
Two discs of same moment of inertia rotating about their regular axis passing through centre and perpendicular to the plane of disc with angular velocities and . They are brought into contact face to face coinciding the axis of rotation. The expression for loss of energy during this process is:-
Two discs of same moment of inertia rotating about their regular axis passing through centre and perpendicular to the plane of disc with angular velocities and . They are brought into contact face to face coinciding the axis of rotation. The expression for loss of energy during this process is:-
Q.38 Correct
Q.38 In-correct
Q.38 Unattempt
The photoelectric threshold wavelength of silver is 3250 x 10-10m. The velocity of the electron ejected from a silver surface by ultraviolet light of wavelength 2536 X 10-10 m is
(Given h= and )
The photoelectric threshold wavelength of silver is 3250 x 10-10m. The velocity of the electron ejected from a silver surface by ultraviolet light of wavelength 2536 X 10-10 m is
(Given h= and )
Q.39 Correct
Q.39 In-correct
Q.39 Unattempt
A 250-Turn rectangular coil of length 2.1 cm and width 1.25 cm carries a current of 85A and subjected to magnetic field of strength 0.85 T. Work done for rotating the coil by 180 ° against the torque is:-
A 250-Turn rectangular coil of length 2.1 cm and width 1.25 cm carries a current of 85A and subjected to magnetic field of strength 0.85 T. Work done for rotating the coil by 180 ° against the torque is:-
Q.40 Correct
Q.40 In-correct
Q.40 Unattempt
The ratio of wavelengths of the last line of Balmer series and the last line of Lyman series is:-
The ratio of wavelengths of the last line of Balmer series and the last line of Lyman series is:-
Q.41 Correct
Q.41 In-correct
Q.41 Unattempt
A carnot engine having an efficiency of as heat engine, is used as a refrigerator. If the work done on the system is 10 J, the amount of energy absorbed from the reservoir at lower temperature is:-
A carnot engine having an efficiency of as heat engine, is used as a refrigerator. If the work done on the system is 10 J, the amount of energy absorbed from the reservoir at lower temperature is:-
Q.42 Correct
Q.42 In-correct
Q.42 Unattempt
A gas mixture consists of 2 moles of O2 and 4 moles of Ar at temperature T. Neglecting all vibrational modes, the total internal energy of the system is:-
A gas mixture consists of 2 moles of O2 and 4 moles of Ar at temperature T. Neglecting all vibrational modes, the total internal energy of the system is:-
Q.43 Correct
Q.43 In-correct
Q.43 Unattempt
An arrangement of three parallel straight wires placed perpendicular to plane of paper carrying same current 'I along the same direction is shown in fig. Magnitude of force per unit length on the middle wire 'B' is given by:-
An arrangement of three parallel straight wires placed perpendicular to plane of paper carrying same current 'I along the same direction is shown in fig. Magnitude of force per unit length on the middle wire 'B' is given by:-
Q.44 Correct
Q.44 In-correct
Q.44 Unattempt
A U tube with both ends open to the atmosphere, is partially filled with water. Oil, which is immiscible with water, is poured into one side until it stands at a distance of 10 mm above the water level on the other side. Meanwhile the water rises by 65 mm from its original level (see diagram). The density of the oil is:-
A U tube with both ends open to the atmosphere, is partially filled with water. Oil, which is immiscible with water, is poured into one side until it stands at a distance of 10 mm above the water level on the other side. Meanwhile the water rises by 65 mm from its original level (see diagram). The density of the oil is:-
Q.45 Correct
Q.45 In-correct
Q.45 Unattempt
Which of the following statements are correct?
(a) Centre of mass of a body always coincides with the centre of gravity of the body
(b) Centre of mass of a body is the point at which the total gravitational torque on the body is zero
(c) A couple on a body produce both translational and rotation motion in a body
(d) Mechanical advantage greater than one means that small effort can be used to lift a large load
Which of the following statements are correct?
(a) Centre of mass of a body always coincides with the centre of gravity of the body
(b) Centre of mass of a body is the point at which the total gravitational torque on the body is zero
(c) A couple on a body produce both translational and rotation motion in a body
(d) Mechanical advantage greater than one means that small effort can be used to lift a large load
Q.1 Correct
Q.1 In-correct
Q.1 Unattempt
Name the gas that can readily decolorized acidified KMnO4 solution:
Name the gas that can readily decolorized acidified KMnO4 solution:
Q.2 Correct
Q.2 In-correct
Q.2 Unattempt
Mechanism of a hypothetical reaction
is given below:
(i)
(ii)
(iii)
The overall order of the reaction will be:
Mechanism of a hypothetical reaction
is given below:
(i)
(ii)
(iii)
The overall order of the reaction will be:
Q.3 Correct
Q.3 In-correct
Q.3 Unattempt
The element Z = 114 has been discovered recently.
It will belong to which of the following family/group and electronic configuration?
The element Z = 114 has been discovered recently.
It will belong to which of the following family/group and electronic configuration?
Q.4 Correct
Q.4 In-correct
Q.4 Unattempt
The heating of phenyl-methyl ethers with HI produces
The heating of phenyl-methyl ethers with HI produces
Q.5 Correct
Q.5 In-correct
Q.5 Unattempt
Which one is the correct order of acidity?
Which one is the correct order of acidity?
Q.6 Correct
Q.6 In-correct
Q.6 Unattempt
Predict the correct intermediate and product in the following reaction:
Predict the correct intermediate and product in the following reaction:
Q.7 Correct
Q.7 In-correct
Q.7 Unattempt
The equilibrium constant of the following are:

The equilibrium constant (K) of the reaction:
The equilibrium constant of the following are:

The equilibrium constant (K) of the reaction:
Q.8 Correct
Q.8 In-correct
Q.8 Unattempt
Which one is the most acidic compound?
Which one is the most acidic compound?
Q.9 Correct
Q.9 In-correct
Q.9 Unattempt
The correct increasing order of basic strength for the following compounds is:
The correct increasing order of basic strength for the following compounds is:
Q.10 Correct
Q.10 In-correct
Q.10 Unattempt
Ionic mobility of which of the following alkali metal ions is lowest when aqueous solution of their salts are put under an electric field?
Ionic mobility of which of the following alkali metal ions is lowest when aqueous solution of their salts are put under an electric field?
Q.11 Correct
Q.11 In-correct
Q.11 Unattempt
The most suitable method of separation of 1:1 mixture of ortho and para-nitrophenols is:
The most suitable method of separation of 1:1 mixture of ortho and para-nitrophenols is:
Q.12 Correct
Q.12 In-correct
Q.12 Unattempt
HgCl2 and I2 both when dissolved in water containing I ions the pair of species formed is
HgCl2 and I2 both when dissolved in water containing I ions the pair of species formed is
Q.13 Correct
Q.13 In-correct
Q.13 Unattempt
Mixture of chloroxylenol and terpineol acts as:
Mixture of chloroxylenol and terpineol acts as:
Q.14 Correct
Q.14 In-correct
Q.14 Unattempt
An example of a sigma bonded organometallic compound is:
An example of a sigma bonded organometallic compound is:
Q.15 Correct
Q.15 In-correct
Q.15 Unattempt
A first order reaction has a specific reaction rate of 10-2 sec-1. How much time will it take for 20g of the reactant to reduce to 5 g?
A first order reaction has a specific reaction rate of 10-2 sec-1. How much time will it take for 20g of the reactant to reduce to 5 g?
Q.16 Correct
Q.16 In-correct
Q.16 Unattempt
Match the interhalogen compounds of column I with the geometry in column-II and assign the correct code:
Column-I
(A) XX’
(B) XX’3
(C) XX’5
(D) XX’7
Column-II
(i) T-shape
(ii) Pentagonal bipyramidal
(iii) Linear
(iv) Square Pyramidal
(v) Tetrahedral
Match the interhalogen compounds of column I with the geometry in column-II and assign the correct code:
Column-I
(A) XX’
(B) XX’3
(C) XX’5
(D) XX’7
Column-II
(i) T-shape
(ii) Pentagonal bipyramidal
(iii) Linear
(iv) Square Pyramidal
(v) Tetrahedral
Q.17 Correct
Q.17 In-correct
Q.17 Unattempt
The concentration of the Ag+ ions in a saturated solution of Ag2C2O4 is . The solubility product of Ag2C2O4 is
The concentration of the Ag+ ions in a saturated solution of Ag2C2O4 is . The solubility product of Ag2C2O4 is
Q.18 Correct
Q.18 In-correct
Q.18 Unattempt
In the electrochemical cell:
the emf of this Daniel cell is E1. When the concentration of ZnSO4 is changed to 1.0 M and that of CuSO4 changed to 0.01M, the emf changes to E2. From the followings, which one is the relationship between E1 and E4? (Given, )
In the electrochemical cell:
the emf of this Daniel cell is E1. When the concentration of ZnSO4 is changed to 1.0 M and that of CuSO4 changed to 0.01M, the emf changes to E2. From the followings, which one is the relationship between E1 and E4? (Given, )
Q.19 Correct
Q.19 In-correct
Q.19 Unattempt
Which of the following pairs of the compound is isoelectronic and isostructural?
Which of the following pairs of the compound is isoelectronic and isostructural?
Q.20 Correct
Q.20 In-correct
Q.20 Unattempt
The IUPAC name of the compound
The IUPAC name of the compound
Q.21 Correct
Q.21 In-correct
Q.21 Unattempt
Which one is the wrong statement?
Which one is the wrong statement?
Q.22 Correct
Q.22 In-correct
Q.22 Unattempt
Which is the incorrect statement?
Which is the incorrect statement?
Q.23 Correct
Q.23 In-correct
Q.23 Unattempt
The species, having bond angles of 120 ° is :
The species, having bond angles of 120 ° is :
Q.24 Correct
Q.24 In-correct
Q.24 Unattempt
For a given reaction, and . The reaction is spontaneous at: (Assume that and do not vary with temperature)
For a given reaction, and . The reaction is spontaneous at: (Assume that and do not vary with temperature)
Q.25 Correct
Q.25 In-correct
Q.25 Unattempt
Which of the following is a sink for CO?
Which of the following is a sink for CO?
Q.26 Correct
Q.26 In-correct
Q.26 Unattempt
If molality of the dilute solutions is doubled, the value of molal depression constant (Kf) will be:
If molality of the dilute solutions is doubled, the value of molal depression constant (Kf) will be:
Q.27 Correct
Q.27 In-correct
Q.27 Unattempt
Which of the following is dependent on temperature?
Which of the following is dependent on temperature?
Q.28 Correct
Q.28 In-correct
Q.28 Unattempt
Which one of the following statements is not correct?
Which one of the following statements is not correct?
Q.29 Correct
Q.29 In-correct
Q.29 Unattempt
Identify A and predict the type of reaction
Identify A and predict the type of reaction
Q.30 Correct
Q.30 In-correct
Q.30 Unattempt
The correct order of the stoichiometries of AgCl formed when AgNO3 in excess is treated with the complexes: CoCl3.6NH3, CoCl3 .5NH3, CoCl3.4NH3 respectively is:
The correct order of the stoichiometries of AgCl formed when AgNO3 in excess is treated with the complexes: CoCl3.6NH3, CoCl3 .5NH3, CoCl3.4NH3 respectively is:
Q.31 Correct
Q.31 In-correct
Q.31 Unattempt
The correct statement regarding electrophile is ­
The correct statement regarding electrophile is ­
Q.32 Correct
Q.32 In-correct
Q.32 Unattempt
A gas is allowed to expand in a well insulated container against a constant external pressure of 2.5atm from an initial volume of 2.50 L to a final volume of 4.50L. The change in internal energy U of the gas in joules will be:
A gas is allowed to expand in a well insulated container against a constant external pressure of 2.5atm from an initial volume of 2.50 L to a final volume of 4.50L. The change in internal energy U of the gas in joules will be:
Q.33 Correct
Q.33 In-correct
Q.33 Unattempt
Which of the following reactions is appropriate for converting acetamide to methanamine?
Which of the following reactions is appropriate for converting acetamide to methanamine?
Q.34 Correct
Q.34 In-correct
Q.34 Unattempt
With respect to the conformers of ethane, which of the following statements is true?
With respect to the conformers of ethane, which of the following statements is true?
Q.35 Correct
Q.35 In-correct
Q.35 Unattempt
In which pair of ions both the species contain S-S bond?
In which pair of ions both the species contain S-S bond?
Q.36 Correct
Q.36 In-correct
Q.36 Unattempt
It is because of inability of ns2 electrons of the valence shell to participate in bonding that:
It is because of inability of ns2 electrons of the valence shell to participate in bonding that:
Q.37 Correct
Q.37 In-correct
Q.37 Unattempt
Correct increasing order for the wavelengths of absorption in the visible region the complexes of Co3+ are:
Correct increasing order for the wavelengths of absorption in the visible region the complexes of Co3+ are:
Q.38 Correct
Q.38 In-correct
Q.38 Unattempt
Consider the reactions:

Identify A, X, Y and Z
Consider the reactions:

Identify A, X, Y and Z
Q.39 Correct
Q.39 In-correct
Q.39 Unattempt

Of the following, which is the product formed when cyclohexanone undergoes aldol condensation followed by heating?

Of the following, which is the product formed when cyclohexanone undergoes aldol condensation followed by heating?

Q.40 Correct
Q.40 In-correct
Q.40 Unattempt
Which of the following pairs of species have the same bond order?
Which of the following pairs of species have the same bond order?
Q.41 Correct
Q.41 In-correct
Q.41 Unattempt
Extraction of gold and silver involves leaching with CN-ion. Silver is later recovered by:
Extraction of gold and silver involves leaching with CN-ion. Silver is later recovered by:
Q.42 Correct
Q.42 In-correct
Q.42 Unattempt
A 20 litre container at 400 K contains CO2 (g) at pressure 0.4 atm and an excess of SrO (neglect the volume of solid SrO). The volume of the container is now decreased by moving the movable piston fitted in the container. The maximum volume of the container, when pressure of CO2 attains its maximum value, will be:
A 20 litre container at 400 K contains CO2 (g) at pressure 0.4 atm and an excess of SrO (neglect the volume of solid SrO). The volume of the container is now decreased by moving the movable piston fitted in the container. The maximum volume of the container, when pressure of CO2 attains its maximum value, will be:
Q.43 Correct
Q.43 In-correct
Q.43 Unattempt
Pick out the correct statement with respect to [Mn(CN)6]3-
Pick out the correct statement with respect to [Mn(CN)6]3-
Q.44 Correct
Q.44 In-correct
Q.44 Unattempt
The reason for greater range of oxidation states in actinoids is attributed to:
The reason for greater range of oxidation states in actinoids is attributed to:
Q.45 Correct
Q.45 In-correct
Q.45 Unattempt
Which of the following statements is not correct?
Which of the following statements is not correct?
Q.1 Correct
Q.1 In-correct
Q.1 Unattempt
Which one of the following statements is correct with reference to enzymes?
Which one of the following statements is correct with reference to enzymes?
Q.2 Correct
Q.2 In-correct
Q.2 Unattempt
A decrease in blood pressure/volume will not cause the release of
A decrease in blood pressure/volume will not cause the release of
Q.3 Correct
Q.3 In-correct
Q.3 Unattempt
Which cells of "Crypts of Lieberkühn" secrete antibacterial lysozyme?
Which cells of "Crypts of Lieberkühn" secrete antibacterial lysozyme?
Q.4 Correct
Q.4 In-correct
Q.4 Unattempt
Which of the following are not polymeric?
Which of the following are not polymeric?
Q.5 Correct
Q.5 In-correct
Q.5 Unattempt
Functional megaspore in an angiosperm develops into?
Functional megaspore in an angiosperm develops into?
Q.6 Correct
Q.6 In-correct
Q.6 Unattempt
Myelin sheath is produced by:
Myelin sheath is produced by:
Q.7 Correct
Q.7 In-correct
Q.7 Unattempt
Attractants and rewards are required for:
Attractants and rewards are required for:
Q.8 Correct
Q.8 In-correct
Q.8 Unattempt
Receptor sites for neurotransmitters are present on:
Receptor sites for neurotransmitters are present on:
Q.9 Correct
Q.9 In-correct
Q.9 Unattempt
Coconut fruit is a:
Coconut fruit is a:
Q.10 Correct
Q.10 In-correct
Q.10 Unattempt
Adult human RBCs are enucleated. Which of the following statement(s) is/ are the most appropriate explanation for this feature?
(a) They do not need to reproduce
(b) They are somatic cells
(c) They do not metabolize
(d) All their internal space is available for oxygen transport
Adult human RBCs are enucleated. Which of the following statement(s) is/ are the most appropriate explanation for this feature?
(a) They do not need to reproduce
(b) They are somatic cells
(c) They do not metabolize
(d) All their internal space is available for oxygen transport
Q.11 Correct
Q.11 In-correct
Q.11 Unattempt
Capacitation occurs in:
Capacitation occurs in:
Q.12 Correct
Q.12 In-correct
Q.12 Unattempt
Which of the following are found in extreme saline conditions?
Which of the following are found in extreme saline conditions?
Q.13 Correct
Q.13 In-correct
Q.13 Unattempt
Asymptote in a logistic growth curve is obtained when:
Asymptote in a logistic growth curve is obtained when:
Q.14 Correct
Q.14 In-correct
Q.14 Unattempt
Artificial selection to obtain cows yielding higher milk output represents:
Artificial selection to obtain cows yielding higher milk output represents:
Q.15 Correct
Q.15 In-correct
Q.15 Unattempt
Select the mismatch:
Select the mismatch:
Q.16 Correct
Q.16 In-correct
Q.16 Unattempt
Good vision depends on adequate intake of carotene rich food.
Select the best option from the following statements:
(i) Vitamin A derivatives are formed from carotene
(ii) The photopigments are embedded in the membrane discs of the inner segment
(iii) Retinal is a derivative of Vitamin A
(iv) Retinal is a light absorbing part of all the visual photopigments
Good vision depends on adequate intake of carotene rich food.
Select the best option from the following statements:
(i) Vitamin A derivatives are formed from carotene
(ii) The photopigments are embedded in the membrane discs of the inner segment
(iii) Retinal is a derivative of Vitamin A
(iv) Retinal is a light absorbing part of all the visual photopigments
Q.17 Correct
Q.17 In-correct
Q.17 Unattempt
The DNA fragments separated on an agarose gel can be visualized after staining with:
The DNA fragments separated on an agarose gel can be visualized after staining with:
Q.18 Correct
Q.18 In-correct
Q.18 Unattempt
The hepatic portal vein drains blood to liver from:
The hepatic portal vein drains blood to liver from:
Q.19 Correct
Q.19 In-correct
Q.19 Unattempt
The vascular cambium normally gives rise to:
The vascular cambium normally gives rise to:
Q.20 Correct
Q.20 In-correct
Q.20 Unattempt
Thalassemia and sickle cell anaemia are caused due to a problem in globin molecule synthesis. Select the correct statement
Thalassemia and sickle cell anaemia are caused due to a problem in globin molecule synthesis. Select the correct statement
Q.21 Correct
Q.21 In-correct
Q.21 Unattempt
The genotypes of a husband and Wife are IAIB and IAi.
Among the blood types of their children, how many different genotypes and phenotypes are possible?
The genotypes of a husband and Wife are IAIB and IAi.
Among the blood types of their children, how many different genotypes and phenotypes are possible?
Q.22 Correct
Q.22 In-correct
Q.22 Unattempt
Which of the following facilitates opening of stomatal aperture?
Which of the following facilitates opening of stomatal aperture?
Q.23 Correct
Q.23 In-correct
Q.23 Unattempt
In Bougainvillea thorns are the modifications of:
In Bougainvillea thorns are the modifications of:
Q.24 Correct
Q.24 In-correct
Q.24 Unattempt
Which one of the following is related to Ex-situ conservation of threatened animals and plants?
Which one of the following is related to Ex-situ conservation of threatened animals and plants?
Q.25 Correct
Q.25 In-correct
Q.25 Unattempt
Root hairs develop from the region of:
Root hairs develop from the region of:
Q.26 Correct
Q.26 In-correct
Q.26 Unattempt
A disease caused by an autosomal primary non-disjunction is:
A disease caused by an autosomal primary non-disjunction is:
Q.27 Correct
Q.27 In-correct
Q.27 Unattempt
The water potential of pure water is:
The water potential of pure water is:
Q.28 Correct
Q.28 In-correct
Q.28 Unattempt
Which of the following options gives the correct sequence of events during mitosis?
Which of the following options gives the correct sequence of events during mitosis?
Q.29 Correct
Q.29 In-correct
Q.29 Unattempt
The process of separation and purification of expressed protein before marketing is called:
The process of separation and purification of expressed protein before marketing is called:
Q.30 Correct
Q.30 In-correct
Q.30 Unattempt
A temporary endocrine gland in the human body is:
A temporary endocrine gland in the human body is:
Q.31 Correct
Q.31 In-correct
Q.31 Unattempt
Which of the following is made up of dead cells?
Which of the following is made up of dead cells?
Q.32 Correct
Q.32 In-correct
Q.32 Unattempt
An example of colonial alga is:
An example of colonial alga is:
Q.33 Correct
Q.33 In-correct
Q.33 Unattempt
Match the following sexually transmitted diseases (Column-I) with their causative agent (Column-II) and select the correct option:
Column-I
(a) Gonorrhea
(b) Syphilis
(c) Genital Warts
(d) AIDS
Column-II
(i) HIV
(ii) Neisseria
(iii) Treponema
(iv) Human Papilloma-Virus
Match the following sexually transmitted diseases (Column-I) with their causative agent (Column-II) and select the correct option:
Column-I
(a) Gonorrhea
(b) Syphilis
(c) Genital Warts
(d) AIDS
Column-II
(i) HIV
(ii) Neisseria
(iii) Treponema
(iv) Human Papilloma-Virus
Q.34 Correct
Q.34 In-correct
Q.34 Unattempt
The function of copper ions in copper releasing IUD's is:
The function of copper ions in copper releasing IUD's is:
Q.35 Correct
Q.35 In-correct
Q.35 Unattempt
Which of the following in sewage treatment removes suspended solids?
Which of the following in sewage treatment removes suspended solids?
Q.36 Correct
Q.36 In-correct
Q.36 Unattempt
An important characteristic that Hemichordates share with Chordates is:
An important characteristic that Hemichordates share with Chordates is:
Q.37 Correct
Q.37 In-correct
Q.37 Unattempt
The final proof for DNA as the genetic material came from the experiments of:
The final proof for DNA as the genetic material came from the experiments of:
Q.38 Correct
Q.38 In-correct
Q.38 Unattempt
Among the following characters, which one was not considered by Mendel in his experiments on pea?
Among the following characters, which one was not considered by Mendel in his experiments on pea?
Q.39 Correct
Q.39 In-correct
Q.39 Unattempt
Plants which produce characteristic pneumatophores and show vivipary belong to:
Plants which produce characteristic pneumatophores and show vivipary belong to:
Q.40 Correct
Q.40 In-correct
Q.40 Unattempt
The pivot joint between atlas and axis is a type of:
The pivot joint between atlas and axis is a type of:
Q.41 Correct
Q.41 In-correct
Q.41 Unattempt
With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct?
With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct?
Q.42 Correct
Q.42 In-correct
Q.42 Unattempt
DNA fragments are:
DNA fragments are:
Q.43 Correct
Q.43 In-correct
Q.43 Unattempt
Which of the following components provides sticky character to the bacterial cell?
Which of the following components provides sticky character to the bacterial cell?
Q.44 Correct
Q.44 In-correct
Q.44 Unattempt
Which of the following options best represents the enzyme composition of pancreatic juice?
Which of the following options best represents the enzyme composition of pancreatic juice?
Q.45 Correct
Q.45 In-correct
Q.45 Unattempt
Which among these is the correct combination of aquatic mammals?
Which among these is the correct combination of aquatic mammals?
Q.46 Correct
Q.46 In-correct
Q.46 Unattempt
Fruit and leaf drop at early stages can be prevented by the application of:
Fruit and leaf drop at early stages can be prevented by the application of:
Q.47 Correct
Q.47 In-correct
Q.47 Unattempt
Select the correct route for the passage of sperms in male frogs:
Select the correct route for the passage of sperms in male frogs:
Q.48 Correct
Q.48 In-correct
Q.48 Unattempt
In case of a couple where the male is having a very low sperm count, which technique will be suitable for fertilization?
In case of a couple where the male is having a very low sperm count, which technique will be suitable for fertilization?
Q.49 Correct
Q.49 In-correct
Q.49 Unattempt
Which ecosystem has the maximum biomass?
Which ecosystem has the maximum biomass?
Q.50 Correct
Q.50 In-correct
Q.50 Unattempt
Lungs are made up of air-filled sacs, the alveoli. They do not collapse even after forceful expiration, because of:
Lungs are made up of air-filled sacs, the alveoli. They do not collapse even after forceful expiration, because of:
Q.51 Correct
Q.51 In-correct
Q.51 Unattempt
Presence of plants arranged into well-defined vertical layers depending on their height can be seen best in:
Presence of plants arranged into well-defined vertical layers depending on their height can be seen best in:
Q.52 Correct
Q.52 In-correct
Q.52 Unattempt
Which of the following statements is correct?
Which of the following statements is correct?
Q.53 Correct
Q.53 In-correct
Q.53 Unattempt
Alexander Von Humboldt described for the first time:
Alexander Von Humboldt described for the first time:
Q.54 Correct
Q.54 In-correct
Q.54 Unattempt
Zygotic meiosis is characteristic of
Zygotic meiosis is characteristic of
Q.55 Correct
Q.55 In-correct
Q.55 Unattempt
If there are 999 bases in an RNA that codes for a protein with 333 amino acids, and the base at position 901 is deleted such that the length of the RNA becomes 998 bases, how many codons will be altered?
If there are 999 bases in an RNA that codes for a protein with 333 amino acids, and the base at position 901 is deleted such that the length of the RNA becomes 998 bases, how many codons will be altered?
Q.56 Correct
Q.56 In-correct
Q.56 Unattempt
Flowers which have single ovule in the ovary and are packed into inflorescence are usually pollinated by:
Flowers which have single ovule in the ovary and are packed into inflorescence are usually pollinated by:
Q.57 Correct
Q.57 In-correct
Q.57 Unattempt
Transplantation of tissues/organs fails often due to non-acceptance by the patient's body. Which type of immune-response is responsible for such rejections?
Transplantation of tissues/organs fails often due to non-acceptance by the patient's body. Which type of immune-response is responsible for such rejections?
Q.58 Correct
Q.58 In-correct
Q.58 Unattempt
Life cycle of Ectocarpus and Fucus respectively are:
Life cycle of Ectocarpus and Fucus respectively are:
Q.59 Correct
Q.59 In-correct
Q.59 Unattempt
A gene whose expression helps to identify transformed cell is known as:
A gene whose expression helps to identify transformed cell is known as:
Q.60 Correct
Q.60 In-correct
Q.60 Unattempt
A dioecious flowering plant prevents both:
A dioecious flowering plant prevents both:
Q.61 Correct
Q.61 In-correct
Q.61 Unattempt
Which statement is wrong for Krebs' cycle?
Which statement is wrong for Krebs' cycle?
Q.62 Correct
Q.62 In-correct
Q.62 Unattempt
Phosphoenol pyruvate (PEP) is the primary CO2 acceptor in:
Phosphoenol pyruvate (PEP) is the primary CO2 acceptor in:
Q.63 Correct
Q.63 In-correct
Q.63 Unattempt
During DNA replication, Okazaki fragments are used to elongate:
During DNA replication, Okazaki fragments are used to elongate:
Q.64 Correct
Q.64 In-correct
Q.64 Unattempt
Which of the following RNA should be most abundant in animal cell?
Which of the following RNA should be most abundant in animal cell?
Q.65 Correct
Q.65 In-correct
Q.65 Unattempt
GnRH, a hypothalamic hormone, needed in reproduction, acts on:
GnRH, a hypothalamic hormone, needed in reproduction, acts on:
Q.66 Correct
Q.66 In-correct
Q.66 Unattempt
What is the criterion for DNA fragments movement on agarose gel during gel electrophoresis?
What is the criterion for DNA fragments movement on agarose gel during gel electrophoresis?
Q.67 Correct
Q.67 In-correct
Q.67 Unattempt
Hypersecretion of Growth Hormone in adults does not cause further increase in height, because
Hypersecretion of Growth Hormone in adults does not cause further increase in height, because
Q.68 Correct
Q.68 In-correct
Q.68 Unattempt
DNA replication in bacteria occurs:
DNA replication in bacteria occurs:
Q.69 Correct
Q.69 In-correct
Q.69 Unattempt
Which one from those given below is the period for Mendel's hybridization experiments?
Which one from those given below is the period for Mendel's hybridization experiments?
Q.70 Correct
Q.70 In-correct
Q.70 Unattempt
Viroids differ from viruses in having;
Viroids differ from viruses in having;
Q.71 Correct
Q.71 In-correct
Q.71 Unattempt
MALT constitutes about _______ percent of the lymphoid tissue in human body.
MALT constitutes about _______ percent of the lymphoid tissue in human body.
Q.72 Correct
Q.72 In-correct
Q.72 Unattempt
Which of the following is correctly matched for the product produced by them?
Which of the following is correctly matched for the product produced by them?
Q.73 Correct
Q.73 In-correct
Q.73 Unattempt
Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen?
Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen?
Q.74 Correct
Q.74 In-correct
Q.74 Unattempt
Which of the following represents order of Horse’?
Which of the following represents order of Horse’?
Q.75 Correct
Q.75 In-correct
Q.75 Unattempt
Frog’s heart when taken out of the body continues to beat for some time.
Select the best option from the following statements.
(a) Frog is a poikilotherm.
(b) Frog does not have any coronary circulation.
(c) Heart is "myogenic" in nature
(d) Heart is autoexcitable
Frog’s heart when taken out of the body continues to beat for some time.
Select the best option from the following statements.
(a) Frog is a poikilotherm.
(b) Frog does not have any coronary circulation.
(c) Heart is "myogenic" in nature
(d) Heart is autoexcitable
Q.76 Correct
Q.76 In-correct
Q.76 Unattempt
Homozygous purelines in cattle can be obtained by:
Homozygous purelines in cattle can be obtained by:
Q.77 Correct
Q.77 In-correct
Q.77 Unattempt
Identify the wrong statement in the context of heartwood:
Identify the wrong statement in the context of heartwood:
Q.78 Correct
Q.78 In-correct
Q.78 Unattempt
Anaphase Promoting Complex (APC) is protein degradation machinery necessary for proper mitosis of animal cells. If APC is defective in a human cell, which of the following is expected to occur?
Anaphase Promoting Complex (APC) is protein degradation machinery necessary for proper mitosis of animal cells. If APC is defective in a human cell, which of the following is expected to occur?
Q.79 Correct
Q.79 In-correct
Q.79 Unattempt
Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP?
Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP?
Q.80 Correct
Q.80 In-correct
Q.80 Unattempt
Mycorrhizae are the example of:
Mycorrhizae are the example of:
Q.81 Correct
Q.81 In-correct
Q.81 Unattempt
Out of ‘X’ pairs of ribs in humans only 'Y' pairs are true ribs. Select the option that correctly represents values of X and Y and provides their explanation:
Out of ‘X’ pairs of ribs in humans only 'Y' pairs are true ribs. Select the option that correctly represents values of X and Y and provides their explanation:
Q.82 Correct
Q.82 In-correct
Q.82 Unattempt
In case of Poriferans, the spongocoel is lined with flagellated cells called:
In case of Poriferans, the spongocoel is lined with flagellated cells called:
Q.83 Correct
Q.83 In-correct
Q.83 Unattempt
Which one of the following statements is not valid for aerosols?
Which one of the following statements is not valid for aerosols?
Q.84 Correct
Q.84 In-correct
Q.84 Unattempt

A baby boy aged two years is admitted to play school and passes through a dental check-up. The dentist observed that the boy had twenty teeth. Which teeth were absent in the boy?

A baby boy aged two years is admitted to play school and passes through a dental check-up. The dentist observed that the boy had twenty teeth. Which teeth were absent in the boy?
Q.85 Correct
Q.85 In-correct
Q.85 Unattempt
Select the mismatch
Select the mismatch
Q.86 Correct
Q.86 In-correct
Q.86 Unattempt
The morphological nature of the edible part of coconut is:
The morphological nature of the edible part of coconut is:
Q.87 Correct
Q.87 In-correct
Q.87 Unattempt
Double fertilization is exhibited by:
Double fertilization is exhibited by:
Q.88 Correct
Q.88 In-correct
Q.88 Unattempt
Spliceosomes are not found in cells of;
Spliceosomes are not found in cells of;
Q.89 Correct
Q.89 In-correct
Q.89 Unattempt
The association of histone H1 with a nucleosome indicates:
The association of histone H1 with a nucleosome indicates:
Q.90 Correct
Q.90 In-correct
Q.90 Unattempt
The region of Biosphere Reserve which is legally Protected and where no human activity is allowed is known as
The region of Biosphere Reserve which is legally Protected and where no human activity is allowed is known as
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