AIPMT-2004 Exam Paper PDF

CAREER POINT. AIPMT - 2004 AIPMT - 2004 Q.1 When three identical bulbs of 60 watt, 200 volt Q.6 Which one of the following statements is tru...

CAREER POINT. AIPMT - 2004 AIPMT - 2004 Q.1 When three identical bulbs of 60 watt, 200 volt Q.6 Which one of the following statements is true rating are connected in series to a 200 volt for the speed 'v' and the acceleration 'a' of a supply, the power drawn by them will be :- particle executing simple harmonic motion (1) 180 watt (2) 10 watt (1) Value of a is zero, whatever may be the (3) 20 watt (4) 60 watt value of 'v' (2) When 'v' is zero, a is zero Q.2 The electric resistance of a certain wire of iron is (3) When 'v' is maximum, a is zero R. If its length and radius are both doubled, (4) When 'v' is maximum, a is maximum then:- Q.7 Two springs of spring constants k1 and k2 are (1) The resistance will be halved and the specific joined in series. The effective spring constant of resistance will remain unchanged the combination is given by - (2) The resistance will be halved and the specific (k1 + k 2 ) (1) (2) k1 + k2 resistance will be doubled 2 (3) The resistance and the specific resistance, k1k 2 (3) (4) k 1k 2 will both remain unchanged (k1 + k 2 ) (4) The resistance will be doubled and the Q.8 Of the diodes shown in the following diagrams, specific resistance will be halved which one of the diode is reverse biased ? Q.3 Resistances n, each of r ohm, when connected in +5V parallel give an equivalent resistance of R ohm. R (1) (2) R If these resistances were connected in series, the –10V combination would have a resistance in ohms, +10V –12V R (3) R (4) equal to +5V –5V R (1) (2) R/n n2 Q.9 A car is moving towards a high cliff. The car (3) nR (4) n2R driver sounds a horn of frequency 'f'. The reflected sound heard by the driver has a Q.4 The unit of permittivity of free space ε0 is :- frequency 2f. If 'v' be the velocity of sound then 2 2 (1) Newton metre / Coulomb the velocity of the car, in the same velocity 2 2 (2) Coulomb /Newton metre units, will be - 2 2 (3) Coulomb / (Newton metre) (1) v/3 (2) v/4 (3) v/2 (4) v/ 2 (4) Coulomb/Newton metre Q.10 The density of newly discovered planet is twice Q.5 A galvanometer acting as a voltmeter will have :- that of earth. The acceleration due to gravity at (1) a high resistance in series with its coil the surface of the planet is equal to that at the (2) a low resistance in parallel with its coil surface of the earth. If the radius of the earth is (3) a low resistance in series with its coil R, the radius of the planet would be :- (4) a high resistance in parallel with its coil (1) 4R (2) ¼ R (3) ½ R (4) 2R CAREER POINT: CP Tower, IPIA, Road No.1, Kota (Raj.), Ph: 0744-3040000 1  CAREER POINT. AIPMT - 2004 Q.11 A beam of light composed of red and green rays Q.15 In semiconductors at a room temperature is incident obliquely at a point on the face of a (1) The valence band is completely filled and rectangular glass slab. When coming out on the the conduction band is partially filled opposite parallel face, the red and green rays (2) The valence band is completely filled emerge from :- (3) The conduction band is completely empty (1) Two points propagating in two different (4) The valence band is partially empty and the parallel directions conduction band is partially filled Q.16 The peak voltage in the output of a half wave (2) One point propagating in two different diode rectifier fed with a sinusoidal signal directions through slab without filter is 10V. The d. c. component of the (3) One point propagating in the same direction output voltage is :- through slab 10 20 10 (1) V (2) 10 V (3) V (4) V (4) Two points propagating in two different non π π 2 parallel directions Q.17 A mass of 0.5 kg moving with a speed of 1.5 Q.12 A particle of mass m1 is moving with a velocity m/s on a horizontal smooth surface, collides with a nearly weightless spring of force constant v1 and another particle of mass m2 is moving k = 50 N/m. The maximum compression of the with a velocity v2. Both of them have the same spring would be :- momentum but their different kinetic energies are E1 and E2 respectively. If m1 > m2 then : E1 m1 (1) = (2) E1 > E2 (1) 0.12 m (2) 1.5 m (3) 0.5 m (4) 0.15 m E2 m2 (3) E1 = E2 (4) E1< E2 Q.18 If in a nuclear fusion process the masses of the Q.13 The refractive index of the material of a prism is fusing nuclei be m1 and m2 and the mass of the resultant nucleus be m3, then 2 and its refracting angle is 30º. One of the (1) m3 = |m1–m2| (2) m3 < (m1 + m2) refracting surfaces of the prism is made a mirror (3) m3 > (m1 + m2) (4) m3 = m1 + m2 inwards. A beam of monochromatic light Q.19 According to Einstein's photoelectric equation, entering the prism from the other face will the graph between the kinetic energy of retrace its path after reflection form the mirrored photoelectrons ejected and the frequency of surface if its angle of incidence on the prism is :- incident radiation is :- (1) 60º (2) 0º (3) 30º (4) 45º (1) kinetic (2) kinetic Q.14 A stone is tied to a string of length 'l' and is energy energy whirled in a vertical circle with the other end of Frequency Frequency the string as the centre. At a certain instant of time, the stone is at its lowest position and has a (3) kinetic (4) kinetic energy energy speed 'u'. The magnitude of the change in Frequency Frequency velocity as it reaches a position where the string A is horizontal (g being acceleration due to gravity) Q.20 A nucleus represented by the symbol ZX has :- is :- (1) Z protons and A –Z neutrons (2) Z protons and A neutrons (1) u 2 − gl (2) u − u 2 − 2gl (3) A protons and Z –A neutrons (3) 2gl (4) 2( u 2 − gl ) (4) Z neutrons and A –Z protons CAREER POINT: CP Tower, IPIA, Road No.1, Kota (Raj.), Ph: 0744-3040000 2  CAREER POINT. AIPMT - 2004 Q.21 The dimensions of universal gravitational Q.28 A round disc of moment of inertia I2 about its constant are :- axis perpendicular to its plane and passing (1) ML2 T–1 (2) M–2L3 T–2 through its centre is placed over another disc of (3) M–2L2 T–1 (4) M–1L3 T–2 moment of inertia I1 rotating with an angular Q.22 In India electricity is supplied for domestic use at velocity ω about the same axis. The final angular velocity of the combination of discs is :- 220 V. It is supplied at 110 V in USA. If the Iω resistance of a 60W bulb for use in India is R, (1) ω (2) 1 I1 + I 2 The resistance of a 60W bulb for use in USA will be :- (3) (I1 + I 2 )ω (4) I 2ω (1) 2R (2) R/4 (3) R/2 (4) R I1 I1 + I 2 Q.23 The magnetic flux through a circuit of resistance Q.29 A ball of mass 2 kg and another of mass 4 kg are dropped together from a 60 feet tall R changes by an amount ∆φ in a time ∆t. Then building. After a fall of 30 feet each towards the total quantity of electric charges Q that earth, their respective kinetic energies will be in passes any point in the circuit during the time ∆t the ratio of- is represented by :- (1) 1: 4 (2) 1: 2 (3) 1: 2 (4) 2 :1 ∆φ ∆φ (1) Q = (2) Q = R ∆t Q.30 The half life of radium in about 1600 years. Of 100g of radium existing now, 25g will remain ∆φ 1 ∆φ (3) Q = R. (4) Q =. undecayed after :- ∆t R ∆t (1) 6400 years (2) 2400 years Q.24 A bullet of mass 2 g is having a charge of 2 µC. (3) 3200 years (4) 4800 years Through what potential difference must it be Q.31 MP denotes the mass of a proton and Mn that of accelerated, starting from rest, to acquire a speed a neutron. A given nucleus, of binding energy of 10 m/s ? B, contains Z protons and N neutrons. The mass (1) 50 kV (2) 5V (3) 50 V (4) 5kV M(N, Z) of the nucleus is given by (c is velocity Q.25 The equation of state for 5g of oxygen at a of light ) pressure P and temperature T, when occupying a (1) M(N, Z) = NMn + ZMP + Bc2 volume V, will be :- (2) M(N, Z) = NMn + ZMP – B/c2 (1) PV = 5 RT (2) PV = (5/2) RT (3) M(N, Z) = NMn + ZMP + B/c2 (3) PV = (5/16) RT (4) PV = (5/32) RT (4) M(N, Z) = NMn + ZMP – Bc2 Where is the gas constant. Q.32 A telescope has an objective lens of 10 cm Q.26 If λm denotes the wavelength at which the diameter and is situated at a distance of one radioactive emission from a black body at a kilometer from two objects. The minimum temperature T K is maximum, then :- distance between these two objects, which can (1) λm is independent of T be resolved by the telescope, when the mean wavelength of light is 5000 Å, is of the order of- (2) λm ∝ T (1) 5 m (2) 5 mm (3) 5 cm (4) 0.5 m (3) λm ∝ T–1 (4) λm ∝ T–4 Q.33 The phase difference between two waves, represented by Q.27 The ratio of the radii of gyration of a circular y1 = 10–6 sin {100t + (x/50) + 0.5}m disc about a tangential axis in the plane of the  x  y2 = 10–6 cos{100t +   }m disc and of a circular ring of the same radius about  50  a tangential axis in the plane of the ring is:- Where X is expressed in metres and t is (1) 2 : 1 (2) 5: 6 expressed in seconds, is approximately : - (1) 2.07 radians (2) 0.5 radians (3) 2 : 3 (4) 1 : 2 (3) 1.5 radians (4) 1.07 radians CAREER POINT: CP Tower, IPIA, Road No.1, Kota (Raj.), Ph: 0744-3040000 3  CAREER POINT. AIPMT - 2004 Q.34 A block of mass m is placed on a smooth wedge → → → → Q.39 If A× B = 3 A. B then the value of of inclination θ. The whole system is accelerated horizontally so that the block does not slip on the → → wedge. The force exerted by the wedge on the A + B is:- block (g is acceleration due to gravity) will be :- (1) mg sin θ (2) mg 1/ 2  AB  (3) mg/cosθ (4) mg cosθ (1)  A 2 + B 2 +   3 Q.35 Three particles, each of mass m gram, are (2) A + B situated at the vertices of an equilateral triangle ABC of side l cm. (as shown in the figure). The (3) (A2 + B2 + 3 AB)1/2 moment of inertia of the system about a line AX (4) (A2 + B2 +AB)1/2 perpendicular to AB and in the plane of ABC, in gram cm2 units will be :- Q.40 The coefficient of static friction, µs, between X mC block A of mass 2 kg and the table as shown in l the figure is 0.2. What would be the maximum l mass value of block B so that the two blocks do B not move ? The string and the pulley are A m l m assumed to be smooth and massless. 5 3 3 (g = 10 m/s2) (1) 2 ml2 (2) ml2 (3) ml2 (4) ml2 4 2 4 2kg A Q.36 Energy E of a hydrogen atom with principal −13.6 B quantum number n is given by E = eV. n2 (1) 4.0 kg (2) 0.2 kg (3) 0.4 kg (4) 2.0 kg The energy of a photon ejected when the electron jumps from n = 3 state to n = 2 state of hydrogen Q.41 In a p–n junction photo cell, the value of the is approximately :- photo electromotive force produced by (1) 0. 85 eV (2) 3.4 eV monochromatic light is proportional to: - (3) 1.9 eV (4) 1.5 eV (1) The intensity of the light falling on the cell 2 Q.37 A wheel having moment of inertia 2 kg–m (2) The frequency of the light falling on the cell about its vertical axis, rotates at the rate of 60 (3) The voltage applied at the p–n junction rpm about the axis. The torque which can stop (4) The barrier voltage at the p–n junction the wheel's rotation in one minute would be :- π π Q.42 The Bohr model of atoms :- (1) N−m (2) N−m 12 15 (1) Uses Einstein's photo electric equation π 2π (2) Predicts continuous emission spectra for (3) N−m (4) N−m 18 15 atoms Q.38 Consider a system of two particles having (3) Predicts the same emission spectra for all masses m1 and m2. If the particle of mass m1 is types of atoms pushed towards the mass centre of particles (4) Assumes that the angular momentum of through a distance 'd', by what distance would electrons is quantized the particle of mass m2 move so as to keep the mass centre of particles at the original position :- Q.43 The output of OR gate is 1 :- m (1) If either or both inputs are 1 (1) 1 d (2) d m2 (2) Only if both inputs are 1 m m1 (3) If either input is zero (3) 2 (4) d m1 m1 + m 2 (4) If both inputs are zero CAREER POINT: CP Tower, IPIA, Road No.1, Kota (Raj.), Ph: 0744-3040000 4  CAREER POINT. AIPMT - 2004 Q.44 An electric dipole has the magnitude of its Q.50 A 6 volt battery is connected to the terminals of charge as q and its dipole moment is p. It is a three metre long wire of uniform thickness placed in a uniform electric field E. If its dipole moment is along the direction of the field, the and resistance of 100 ohm. The difference of force on it and its potential energy are potential between two points on the wire respectively :- separated by a distance of 50 cm will be :- (1) q. E and p. E (1) 3 v (2) 1v (3) 1.5 v (4) 2 v (2) zero and minimum (3) q. E and maximum Q.51 Lanthanoids are :- (4) 2q. E and minimum (1) 14 elements in the seventh period (atomic Q.45 A coil of 40 henry inductance is connected in no. = 90 to 103) that are filling 5f sublevel. series with a resistance of 8 ohm and the combination is joined to the terminals of a 2 volt (2) 14 elements in the sixth period (atomic no. battery. The time constant of the circuit is :- 58 to 71) that are filling 4f sublevel (1) 1/5 seconds (2) 40 seconds (3) 14 elements in the seventh period (atomic (3) 20 seconds (4) 5 seconds no. = 58 to 71) that are filling 4f sublevel Q.46 One mole of an ideal gas at an initial temperature (4) 14 elements in the sixth period (atomic no. of T K does 6 R joules of work adiabatically. If the ratio of specific heats of this gas at constant 90 to 103) that are filling 4f sublevel 5 pressure and at constant volume is , the final Q.52 Which of the following forms cationic micelles 3 above certain concentration :- temperature of gas will be :- (1) (T –2.4) K (2) (T + 4)K (1) sodium acetate (3) (T – 4) K (4) (T + 2.4)K (2) Urea Q.47 A battery is charged at a potential of 15V for 8 (3) Cetyl trimethylammonium chloride hours when the current flowing is 10A. The (4) Sodium dodecyl sulphonate battery on discharge supplies a current of 5A for 15 hours. The mean terminal voltage during discharges is 14 V. The "Watt hour" efficiency Q.53 Which of the following does not have a metal- of the battery is :- carbon bond :- (1) 80% (2) 90% (3) 87.5% (4)82.5% (1) C2H5MgBr (2) K[Pt (C2 H4)Cl3] Q.48 Five equal resistances each of resistance R are (3) Ni(CO)4 (4) Al(OC2H5)3 connected as shown in the Figure. A battery of V volts is connected between A and B. The current Q.54 Which one of the following is a chain growth flowing in AFCEB will be polymer :- C (1) Nucleic acid (2) Polystyrene (3) protein (4) Starch R R R Q.55 The correct statement in respect of protein F haemoglobin is that it :- A R B (1) Maintains blood sugar level D E (2) Acts as an oxygen carrier in the blood R (1) V/R (2) V/2R (3) 2V/R (4) 3V/R (3) Forms antibodies and offers resistance to Q.49 A galvanometer of 50 ohm resistance has 25 diseases divisions. A current of 4 × 10–4 ampere gives a (4) Functions as a catalyst for biological deflection of one division. To convert this galvanometer into a voltmeter having a range of 25 reactions volts, it should be connected with a resistance of :- (1) 245 Ω as a shunt Q.56 A sequence of how many nucleotides in (2) 2550 Ω in series messenger RNA makes a codon for an amino (3) 2450 Ω in series acid :- (4) 2500 Ω as a shunt (1) Four (2) One (3) Two (4) Three CAREER POINT: CP Tower, IPIA, Road No.1, Kota (Raj.), Ph: 0744-3040000 5  CAREER POINT. AIPMT - 2004 Q.57 The hormone that helps in the conversion of Q.64 Which one of the following can be oxidised to glucose to glycogen is :- the corresponding carbonyl compound :- (1) Bile acids (2) Adrenaline (1) o-Nitrophenol (3) insulin (4) Cortisone (2) Phenol (3) 2-methyl-2-hydroxy propane Q.58 Which of the following is considered to be an anticancer species :- (4) 2-hydroxy propane Cl Cl H3N Cl Q.65 In an octahedral structure, the pair of d orbitals (1) Pt (2) Pt Cl Cl H3N Cl involved involved in d2sp3 hybridization is :- H3N Cl CH2 (1) dxz, dx2–y2 (2) dz2, dxz Cl (3) Pt (4) Pt CH2 (3) dxy, dyz (4) dx2–y2, dz2 Cl NH3 Cl Cl Q.66 The frequency of radiation emitted when the Q.59 If the bond energies of H–H, Br – Br and H –Br electron falls from n = 4 to n = 1 in a hydrogen are 433, 192 and 364 kJ mol–1 respectively the atom will be (Given ionization energy of ∆Hº for the reaction H2(g) + Br2(g) → 2HBr(g) H = 2.18 ×10–18 J atom –1 and h = 6.625 ×10–34 Js): is- (1) + 103 kJ (2) +261kJ (1) 1.03×1015 s–1 (2) 3.08×1015 s–1 (3) –103 kJ (4) –261 kJ (3) 2.00×1015 s–1 (4) 1.54×1015 s–1 Q.60 Which of the following is responsible for Q.67 Camphor is often used in molecular mass depletion of the ozone layer in the upper strata of determination because :- the atmosphere :- (1) It has a very high cryoscopic constant (1) Ferrocene (2) Fullerenes (2) It is volatile (3) Freons (4) Polyhalogens (3) It is solvent for organic substances Q.61 Among the following, the pair in which the two (4) It is readily available species are not isostructural is :- Q.68 Number of chiral carbons in β–D–(+)– glucose (1) IO 3− and XeO3 (2) BH −4 and NH +4 is: - (3) PF6− and SF6 (4) SiF4 and SF4 (1) Six (2) Three (3) Four (4) Five –2 –1 Q.62 The rate of a first order reaction is 1.5 ×10 mol L Q.69 The helical structure of protein is stabilized by:- min–1at 0.5 M concentration of the reactant. The half (1) Hydrogen bonds (2) Ether bonds life of the reaction is :- (3) Peptide bonds (4) Dipeptide bonds (1) 23. 1min (2) 8.73 min (3) 7.53 min (4) 0.383 min Q.70 Which of the following is least reactive in a Q.63 Which one of the following structures represents nucleophilic substitution reaction :- the peptide chain :- (1) CH2 = CHCl (2) CH3CH2Cl H H (3) CH2 = CHCH2Cl (4) (CH3)3C–Cl (1) –N–C–C–C–C–N–C–C–C – O Q.71 H2O is dipolar, whereas BeF2 is not. It is H H H O because:- (2) –N–C–C–N–C–C–N–C–C– (1) H2O involves hydrogen bonding whereas O O BeF2 is a discrete molecule H O H (2) H2O is linear and BeF2 is angular (3) –N–C–C–C–N–C–C–N–C–C–C (3) H2O is angular and BeF2 is linear H O (4) The electronegativity of F is greater than that H O of O (4) –N–C–N–C–NH–C–NH– O H CAREER POINT: CP Tower, IPIA, Road No.1, Kota (Raj.), Ph: 0744-3040000 6  CAREER POINT. AIPMT - 2004 Q.72 Considering entropy (S) as a thermodynamic Q.79 Aniline when diazotized in cold and then treated parameter, the criterion for the spontaneity of with dimethyl aniline gives a coloured product. any process is :- Its structure would be :- (1) ∆Ssystem – ∆Ssurrounding > 0 –N=N– NH2 (1) CH3 (2) ∆Ssystem > 0 only –N=N– (3) ∆Ssurroundings > O only (2) (CH3)2N (4) ∆Ssystem + ∆Ssurrounding > 0 (3) (CH3)2N –NH– Q.73 Ionic radii are :- (1) Inversely proportional to square of effective (4) CH3NH –N=N– NH CH3 nuclear charge (2) Directly proportional to effective nuclear Q.80 In a regular octahedral molecule, MX6 the charge number of X–M–X bonds at 180º is :- (3) Directly proportional to square of effective (1) Two (2) Six (3) Four (4) Three nuclear charge (4) Inversely proportional to effective nuclear Q.81 Which is the best description of the behavior of charge bromine in the reaction given below:- H2O + Br2 → HOBr + HBr Q.74 CN– is a strong field ligand. This is due to the (1) Both oxidized and reduced fact that :- (2) Oxidized only (1) It is a pseudohalide (3) Reduced only (2) It can accept electrons from metal species (3) It forms high spin complexes with metal (4) Proton acceptor only species Q.82 The maximum number of molecules is present (4) It carries negative charge in:- Q.75 Considering H2O as a weak field ligand, the (1) 5L of N2 gas at STP number of unpaired electrons in [Mn(H2O6)]2+ (2) 0.5 g of H2 gas will be – (3) 10g of O2 gas (At. no. of Mn = 25) (4) 15 L of H2 gas at STP (1) Five (2) Two (3) Four (4) Three Q.83 A compound formed by elements X and Y Q.76 The –OH group of an alcohol or the carboxylic crystallizes in a cubic structure in which the X acid can be replaced by – Cl, using :- atoms are at the corners of a cube and the Y (1) Hypochlorous acid atoms are at the face-centers. The formula of the (2) Chlorine compound is :- (3) Hydrochloric acid (1) X3Y (2) XY (3) XY2 (4) XY3 (4) Phosphorous pentachloride 60 Q.77 Reaction of HBr with propene in the presence of Q.84 The radioactive isotope 27 Co which is used in peroxide gives :- the treatment of cancer can be made by (n, p) (1) 3-bromo propane (2) Allyl bromide reaction. For this reaction the target nucleus is :- (3) n-propyl bromide (4) Isopropyl bromide (1) 59 (2) 60 (3) 60 (4) 59 27 Co 28 Ni 27 Co 28 Ni Q.78 Chloropicrin is obtained by the reaction of Q.85 The enzyme which hydrolysis triglycerides to (1) Nitric acid on chlorobenzene fatty acids and glycerol is called :- (2) Chlorine on picric acid (3) Nitric acid on chloroform (1) Lipase (2) Zymase (4) Steam on carbon tetrachloride (3) Pepsin (4) Maltase CAREER POINT: CP Tower, IPIA, Road No.1, Kota (Raj.), Ph: 0744-3040000 7  CAREER POINT. AIPMT - 2004 Q.86 Standard enthalpy and standard entropy changes Q.92 Among [Ni(CO)4], [Ni(CN)4]2–, [NiCl4]2– for the oxidation of ammonia at 298 K are species, the hybridization states at the Ni atom –1 –1 –1 –382.64 kJ mol and –145.6 JK mol , are, respectively :- (At. No. of Ni = 28) respectively. Standard Gibbs energy change for (1) sp3, dsp2, sp3 (2) sp3, sp3, dsp2 the same reaction at 298 K is :- (3) dsp2, sp3, sp3 (4) sp3, dsp2, dsp2 (1) –339.3 kJ mol–1 (2) – 439.3 kJ mol–1 Q.93 Among the following series of transition metal (3) –523.2 kJ mol–1 (4) –221.1 kJ mol–1 ions, the one where all metal ions have 3d2 Q.87 The solubility product of a sparingly soluble salt electronic configuration is :- AX2 is 3.2 ×10–11. Its solubility (in moles/litre) (1) Ti+, V4+, Cr6+, Mn7+ is:- (2) Ti4+, V3+, Cr2+, Mn3+ (1) 3.1×10–4 (2) 2 × 10–4 (3) Ti2+, V3+, Cr4+, Mn5+ (3) 4 × 10–4 (4) 5.6 × 10–6 (4) Ti3+, V2+, Cr3+, Mn4+ Q.88 Among K, Ca Fe and Zn, the element which can Q.94 Which of the following coordination form more than one binary compound with compounds would exhibit optical isomerism chlorine is :- (1) Diamminedichloroplatinum (II) (1) Zn (2) K (3) Ca (4) Fe (2) Trans-dicyanobis (ethylenediamine) chromium (III) chloride Q.89 The standard e.m.f. of a galvanic cell involving (3) Tris – (ethylenediamine) cobalt (III) bromide cell reaction with n = 2 is found to be 0.295 V at (4) Pentaamminenitrocobalt (III) iodide 25ºC. The equilibrium constant of the reaction would be :- Q.95 The rapid change of pH near the stoichiometric (1) 4.0 × 1012 (2) 1.0 × 102 point of an acid-base titration is the basis of 10 11 (3) 1.0 × 10 (4) 2.0 × 10 indicator detection. pH of the solution is related –1 (Given F = 96500 C mol ; to ratio of the concentrations of the conjugate –1 –1 R = 8.314 JK mol ) acid (HIn) and base (In–) forms of the indicator by the expression - Q.90 Which one of the following statements about the [ HIn] zeolites is false :- (1) log = pKIn – pH [In − ] (1) They have open structure which enables them to take up small molecules [ HIn] (2) log = pH – pKIn (2) Zeolites are aluminosilicates having three [In − ] dimensional network [In − ] (3) log = pH – pKIn (3) Some of the SiO 44 − units are replaced by [ HIn] AlO54− and AlO96− ions in zeolites [In − ] (4) log = pKIn – pH [ HIn] (4) They are used as cation exchangers. Q.91 Which of the following will not form a yellow Q.96 Using anhydrous AlCl3 as catalyst, which one of precipitate on heating with an alkaline solution the following reactions produces ethylbenzene of iodine :- (PhEt) :- (1) CH3CH2CH(OH)CH3 (1) CH3–CH = CH2 + C6 H6 (2) CH3OH (2) H2C = CH2 + C6 H6 (3) CH3CH2OH (3) H3C – CH3 + C6 H6 (4) CH3CH(OH)CH3 (4) H3C – CH2OH + C6 H6 CAREER POINT: CP Tower, IPIA, Road No.1, Kota (Raj.), Ph: 0744-3040000 8  CAREER POINT. AIPMT - 2004 Q.97 The molecular formula of diphenyl methane, Q.103 The cardiac pacemaker in a patient fails to CH2 , is C13H12. function normally. The doctors find that an artificial pacemaker is to be grafted in him. It is How many structural isomers are possible when likely that it will be grafted at the site of - one of the hydrogens is replaced by a chlorine (1) Purkinje system atom :- (2) Sinuatrial node (1) 4 (2) 8 (3) 7 (4) 6 (3) Atrioventricular node Q.98 A solid compound 'X' on heating gives CO2 gas (4) Atrioventricular bundle and a residue. The residue mixed with water Q.104 What is a keystone species ? forms 'Y'. On passing an excess of CO2 through (1) A common species that has plenty of 'Y' in water, a clear solution, 'Z' is obtained. On biomass, yet has a fairly low impact on the boiling 'Z', compound 'X' is reformed. The community's organization compound 'X' is :- (2) A rare species that has minimal impact on (1) CaCO3 (2) Na2CO3 (3) K2CO3 (4) Ca(HCO3)2 the biomass and on other species in the Q.99 The work done during the expansion of a gas community from a volume of 4 dm3 to 6 dm3 against a (3) A dominant species that constitutes a large constant external pressure of 3 atm is :- proportion of the biomass and which affects (1) –608 J (2) + 304 J (3) –304 J (4) –6 J many other species (4) A species which makes up only a small Q.100 In BrF3 molecule, the lone pairs occupy proportion of the total biomass of a equatorial positions to minimize :- community, yet has a huge impact on the (1) Bond pair – bond pair repulsion only community's organization and survival (2) Lone pair – lone pair repulsion and lone pair– bond pair repulsion Q.105 The most thoroughly studied of the known (3) Lone pair–lone pair repulsion only bacteria-plant interactions is the :- (4) Lone pair–bond pair repulsion ony (1) Gall formation on certain angiosperms by Agrobacterium Q.101 Blood analysis of a patient reveals an unusually (2) Nodulation of Sesbania stems by nitrogen high quantity of carboxy-haemoglobin content. fixing bacteria Which of the following conclusions is most (3) Plant growth stimulation by phosphate– likely to be correct ? The patient has been solubilising bacteria inhaling polluted air containing unusually high (4) Cyanobacterial symbiosis with some aquatic content of - ferns (1) Chloroform (2) Carbon dioxide Q.106 Which one of the following preceeds re- (3) Carbon monoxide (4) carbon disulphide formation of the nuclear envelope during M Q.102 You are required to draw blood from a patient phase of the cell cycle :- and to keep it in a test tube for analysis of blood (1) Transcription from chromosomes and corpuscles and plasma. You are also provided reassembly of the nuclear lamina with the following four types of test tubes. (2) Formation of the contractile ring and Which of them will you not use for the purpose? formation of the phragmoplast (1) Chilled test tube (3) Formation of the contractile ring and (2) Test tube containing heparin transcription from chromosomes (3) Test tube containing sodium oxalate (4) Decondensation from chromosomes and (4) Test tube containing calcium bicarbonate reassembly of the nuclear lamina CAREER POINT: CP Tower, IPIA, Road No.1, Kota (Raj.), Ph: 0744-3040000 9  CAREER POINT. AIPMT - 2004 Q.107 The richest sources of vitamin B12 are :- Q.113 One set of a plant was grown at 12 hours day (1) Chocolate and green gram and 12 hours night period cycles and it flowered (2) Rice and hen's egg while in the other set night phase was (3) Carrot and chicken's breast interrupted by flash of light and it did not (4) Goat's liver and Spirulina produce flower. Under which one of the Q.108 In transgenics expression of transgene in target following categories will you place this plant ? tissue is determined by :- (1) Darkness neutral (2) Day neutral (1) Transgene (2) Promoter (3) Short day (4) Long day (3) Reporter (4) Enhancer Q.114 Lead concentration in blood is considered Q.109 A normal woman, whose father was colour-blind alarming if it is - is married to a normal man. The sons would be :- (1) 50% colour-blind (1) 30 µg/100 ml (2) 4-6 µg/100 ml (2) All normal (3) 10 µg/100 ml (4) 20 µg/100 ml (3) All colour-blind Q.115 In which one of the following enzymes, is (4) 75 % colour-blind copper necessarily associated as an activator - Q.110 Age of fossils in the past was generally (1) Tryptophanase (2) Lactic dehydrogenase determined by radio-carbon method and other (3) Tyrosinase (4) Carbonic anhydrase methods involving radioactive elements found in the rocks. More precise methods, which were Q.116 DNA fingerprinting refers to :- used recently and led to the revision of the (1) Anlysis of DNA samples using imprinting evolutionary periods for different groups of devices organisms includes - (2) Techniques used for molecular analysis of (1) Study of the conditions of fossilization different specimens of DNA (2) Electron spin resonance (ESR) & fossil DNA (3) Techniques used for identification of (3) Study of carbohydrates/proteins in rocks fingerprints of individuals (4) Study of carbohydrates/proteins in fossils (4) Molecular analysis of profiles of DNA Q.111 What kind of evidence suggested that man is samples more closely related with chimpanzee than with other hominoid apes ? Q.117 Flagella of prokaryotic and eukaryotic cells (1) Comparison of chromosomes morphology differ in :- only (1) Location in cell and mode of functioning (2) Evidence from fossil remains and the fossil (2) Microtubular organization and type of mitochondrial DNA alone movement (3) Evidence from DNA extracted from sex (3) Microtubular organization and function chromosomes, autosomes & mitochondria (4) Type of movement & placement in cell (4) Evidence from DNA from sex chromosomes only Q.118 The animals with bilateral symmetry in young Q.112 Anthesis is a phenomenon which refers to - stage and radial pentamerous symmetry in the (1) formation of pollen adult stage, belong to the phylum - (2) Development of anther (1) Mollusca (2) Cnidaria (3) Opening of flower bud (3) Echinodermata (4) Annelida (4) Reception of pollen by stigma CAREER POINT: CP Tower, IPIA, Road No.1, Kota (Raj.), Ph: 0744-3040000 10  CAREER POINT. AIPMT - 2004 Q.119 In Arthopoda, head and thorax are often fused to Q.126 The maximum growth rate occurs in :- form cephalothorax, but in which one of the (1) Senescent phase following classes, is the body divided into head, (2) Lag phase thorax and abdomen ? (3) Exponential phase (1) Myriapoda (4) Stationary phase (2) Crustacea Q.127 Restriction endonucleases :- (3) Arachnida and Crustacea (1) Are used in genetic engineering for ligating (4) Insecta two DNA molecules (2) Are used for in vitro DNA synthesis Q.120 During transcription, if the nucleotide sequence (3) Are synthesized by bacteria as part of their of the DNA strand that is being coded is defense mechanism ATACG, then the nucleotide sequence in the (4) Are present in mammalian cells for mRNA would be - degradation of DNA when the cell dies (1) TCTGG (2) UAUGC (3) UATGC (4) TATGC Q.128 In the resting state of the neural membrane, diffusion due to concentration gradients, if Q.121 In C3 plants, the first stable product of allowed, would drive :- photosynthesis during the dark reaction is :- (1) K+ and Na+ out of the cell (1) Oxaloacetic acid (2) Na+ into the cell (2) 3-phosphoglyceric acid (3) Na+ out of the cell (3) Phosphoglyceraldehyde (4) K+ into the cell (4) Malic acid Q.129 Crossing over that results in genetic Q.122 Extranuclear inheritance is a consequence of recombination in higher organisms occurs presence of genes in - between :- (1) Endoplasmic reticulum & mitochondria (1) Non-sister chromatids of a bivalent (2) Ribosomes and chloroplast (2) Two daughter nuclei (3) Lysosomes and ribosomes (3) Two different bivalents (4) Mitochondria and chloroplasts (4) Sister chromatids of a bivalents Q.123 Which one of the following hormones is a Q.130 Which of the following statements is not true modified amino acid ? for retroviruses :- (1) Progesterone (2) Prostaglandin (1) Retroviruses carry gene for (3) Estrogen (4) Epinephrine RNA-dependent DNA polymerase Q.124 Viruses that infect bacteria, multiply and cause (2) The genetic material in mature retroviruses their lysis are called - is RNA (1) Lipolytic (2) Lytic (3) Retroviruses are causative agents for certain (3) Lysogenic (4) Lysozymes kinds of cancer in man (4) DNA is not present at any stage in the life Q.125 The recessive genes located on X-chromosomes cycle of retroviruses. in humans are always- (1) Sub-lethal Q.131 In a mutational event, when adenine is replaced (2) Expressed in males by guanine, it is a case of - (3) Expressed in females (1) Transcription (2) Transition (4) Lethal (3) Transversion (4) Frameshift mutation CAREER POINT: CP Tower, IPIA, Road No.1, Kota (Raj.), Ph: 0744-3040000 11  CAREER POINT. AIPMT - 2004 Q.132 Ovulation in the human female normally takes Q.140 Dough kept overnight in warm weather place during the menstrual cycle - becomes soft and spongy becauses of :- (1) Just before the end of the secretory cycle (1) Fermentation (2) At the beginning of the proliferative phase (2) Cohesion (3) At the end of the proliferative phase (3) Osmosis (4) At the mid secretory phase (4) Absorption of carbon dioxide from Q.133 Injury to vagus nerve in humans is not likely to atmosphere affect - Q.141 In the somatic cell cycle :- (1) Gastrointestinal movements (2) Pancreatic secretion (1) DNA replication takes place in S-phase (3) Cardiac movements (2) A short interphase is followed by a long (4) Tongue movements mitotic phase (3) G2 phase follows mitotic phase Q.134 Which of the following hormones is not a (4) In G1 phase DNA content is double the secretion product of human placenta - amount of DNA present in the original cell (1) Prolactin (2) Estrogen Q.142 A male human is heterozygous for autosomal (3) Progesterone genes A and B and is also hemizygous for (4) Human chorionic gonadotropin hemophilic gene h. What proportion of his Q.135 An ovule which becomes curved so that the sperms will be abh :- nucellus and embryo sac lie at right angles to the (1) 1/32 (2) 1/16 (3) 1/4 (4) 1/8 funicle is :- (1) Campylotropous (2) Anatropous Q.143 India's wheat yield revolution in the 1960s was (3) Orthotropous (4) Hemitropous possible primarily due to :- (1) Increased chlorophyll content Q.136 Angiosperms have dominated the land flora (2) Mutations resulting in plant height reduction primarily because of their - (3) Quantitative trait mutations (1) Property of producing large number of seeds (4) Hybrid seeds (2) Nature of self pollination (3) Domestication by man Q.144 The most likely reason for the development of (4) Power of adaptability in diverse habitat resistance against pesticides in insects damaging Q.137 Edible part of mango is :- a crop is :- (1) Receptacle (2) Epicarp (1) Genetic recombination (3) Mesocarp (4) Endocarp (2) Directed mutations Q.138 In chloroplasts, chlorophyll is present in the :- (3) Acquired heritable changes (1) Inner membrane (2) Thylakoids (4) Random mutations (3) Stroma (4) Outer membrane Q.145 The following ratio is generally constant for a Q.139 In glycolysis, during oxidation electrons are given species :- removed by - (1) T + C / G + A (1) Glyceraldehyde-3-phosphate (2) NAD+ (2) G + C / A+ T (3) Molecular oxygen (3) A + C / T + G (4) ATP (4) A + G / C +T CAREER POINT: CP Tower, IPIA, Road No.1, Kota (Raj.), Ph: 0744-3040000 12  CAREER POINT. AIPMT - 2004 Q.146 A self-fertilizing trihybrid plant forms :- Q.153 Which one of the following is the correct (1) 4 different gametes and 16 different zygotes matching of a vitamin, its nature and its (2) 8 different gametes and 16 different zygotes deficiency disease : (3) 8 different gametes and 32 different zygotes (1) Vitamin K–Fat soluble Beri Beri (4) 8 different gametes and 64 different zygotes (2) Vitamin A–Fat soluble Beri Beri Q.147 Lichens are well known combination of an alga (3) Vitamin K–Water soluble Pellagra and a fungus where fungus has :- (4) Vitamin A–Fat soluble Night blindness (1) An epiphytic relationship with the alga (2) A parasitic relationship with the alga Q.154 Photosynthetically active radiation (PAR) (3) A symbiotic relationship with the alga represents the following range of wave length (4) A saprophytic relationship with the alga (1) 450-950 nm (2) 340-450 nm (3) 400-700 nm (4) 500-600 nm Q.148 Which of the following is expected to have the highest value (gm/m2/yr) in a grassland Q.155 The technique of obtaining large number of ecosystem : - plantlets by tissue culture method is called – (1) Tertiary production (1) Organ culture (2) Micropropagation (2) Gross production (GP) (3) Macropropagation (4) Plantlet culture (3) Net production (NP) (4) Secondary production Q.156 The most abundant element present in the plant is :- Q.149 Lack of independent assortment of two genes A and B in fruit fly Drosophila is due to :- (1) Nitrogen (2) Manganese (1) Recombination (3) Iron (4) Carbon (2) Linkage Q.157 Cell elongation in internodal regions of the (3) Crossing over green plants takes place due to :- (4) Repulsion (1) Cytokinins (2) Gibberellins Q.150 In your opinion, which is the most effective way (3) Ethylene (4) Indole acetic acid to conserve the plant diversity of an area :- (1) By creating biosphere reserve Q.158 Diversification in plant life appeared :- (2) By creating botanical garden (1) Due to abrupt mutations (3) By developing seed bank (2) Suddenly on earth (4) By tissue culture method (3) By seed dispersal Q.151 If by radiation all nitrogenase enzyme are (4) Due to long periods of evolutionary changes inactivated, then there will be no :- Q.159 A terrestrial animal must be able to - (1) Fixation of atmospheric nitrogen (1) Conserve water (2) Conversion from nitrate to nitrite in legumes (2) Actively pump salts out through the skin (3) Conversion from ammonium to nitrate in soil (3) Excrete large amounts of salts in urine (4) Fixation of nitrogen in legumes (4) Excrete large amounts of water in urine Q.152 In 1984, the Bhopal gas tragedy took place Q.160 Mast cells of connective tissue contain - because methyl isocyanate :- (1) Heparin and histamine (1) Reacted with ammonia (2) Heparin and calcitonin (2) Reacted with CO2 (3) Serotonin and melanin (3) Reacted with water (4) Reacted with DDT (4) Vasopressin and relaxin CAREER POINT: CP Tower, IPIA, Road No.1, Kota (Raj.), Ph: 0744-3040000 13  CAREER POINT. AIPMT - 2004 Q.161 Uricotelism is found in - Q.167 Which one of the following pairs is not (1) Fishes and Fresh water protozoans correctly matched :- (2) Birds, reptiles and insects (1) Serratia – Drug addiction (3) Frogs and toads (2) Spirulina – Single cell protein (4) Mammals and birds (3) Rhizobium – Biofertilizer Q.162 ATPase enzyme needed for muscle contraction is (4) Streptomyces – Antibiotic located in - Q.168 Which one of the following pair's correctly (1) Troponin (2) Myosin matches a hormone with a disease resulting (3) Actin (4) Actinin from its deficiency :- Q.163 Certain characteristic demographic features of (1) Insulin – Diabetes insipidus developing countries are - (2) Thyroxine – Tetany (1) High fertility, high density, rapidly rising (3) Parathyroid hormone – Diabetes mellitus mortality rate and very young age distribution (4) Luteinizing hormone – Failure of ovulation (2) High infant mortality, low fertility, uneven Q.169 A major component of gobar gas is :- population growth and a very young age (1) Methane (2) Ethane distribution (3) Butane (4) Ammonia (3) High mortality high density, uneven population growth and a very old age Q.170 A free living nitrogen-fixing cyanobacterium distribution which can also form symbiotic association with (4) High fertility, low or rapidly falling mortality the water fern Azolla is :- rate, rapid population growth and a very (1) Chlorella (2) Nostoc young age distribution (3) Anabaena (4) Tolypothrix Q.164 Duodenum has characteristic Brunner's glands Q.171 In the ABO system of blood groups if both which secrete two hormones called - antigens are present but no antibody, the blood (1) Secretin, Cholecystokinin group of the individual would be :- (2) Prolactin, parathormone (1) O (2) AB (3) A (4) B (3) Extradiol, progesterone (4) Kinase, estrogen Q.172 Plants adapted to low light intensity have :- (1) Higher rate of CO2 fixation than the sun Q.165 Cancer cells are more easily damaged by plants radiation than normal cells because they are - (2) More extended root system (1) Undergoing rapid division (3) Leaves modified to spines (2) Different in structure (3) Non-dividing (4) Larger photosynthetic unit size than the sun (4) Starved of mutation plants Q.166 Which one of the following is not correctly Q.173 The Ti plasmid is often used for making matched transgenic plants. This plasmid is found in (1) Culex pipiens – Filariasis (1) Rhizobium of the roots of leguminous plants (2) Aedes aegypti – Yellow fever (2) Agrobacterium (3) Anopheles culifaciens – Leishmaniasis (3) Yeast as a 2 µm plasmid (4) Glossina palpalis – Sleeping sickness (4) Azotobacter CAREER POINT: CP Tower, IPIA, Road No.1, Kota (Raj.), Ph: 0744-3040000 14  CAREER POINT. AIPMT - 2004 Q.174 During replication of a bacterial chromosomes Q.181 Chemically hormones are :- DNA synthesis starts from a replication origin (1) Proteins, steroids & biogenic amines site and :- (2) Proteins only (1) Is facilitated by telomerase (3) Steroids only (2) Moves in one direction of the size (3) Moves in bi-directional way (4) Biogenic amines only (4) RNA primers are involved Q.182 When a fresh water protozoan possessing a Q.175 In a plant red fruit (R) is dominant over yellow contractile vacuole, is placed in a glass fruit (r) and tallness (T) is dominant over containing marine water, the vacuole will- shortness (t). If a plant with RRTt genotype is (1) Disappear (2) Increase in size crossed with a plant that is rrtt (3) Decrease in size (4) Increase in number (1) 50% will be tall with red fruit (2) 75% will be tall with red fruit Q.183 One of the parents of a cross has a mutation in (3) All the offspring will be tall with red fruit its mitochondria. In that cross, that parent is (4) 25% will be tall with red fruit taken as a male. During segregation of F2 Q.176 After a mutation at a genetic locus the character progenies that mutation is found in - of an organism changes due to the change in :- (1) None of the progenies (1) DNA replication (2) Protein synthesis pattern (2) All the progenies (3) RNA transcription pattern (3) 50% of the progenies (4) Protein structure (4) 1/3 of the progenies Q.177 According to oparin, which one of the following Q.184 An ecosystem which can be easily damaged but was not present in the primitive atmosphere of can recover after some time if damaging effect the earth :- (1) Oxygen (2) Hydrogen stops will be having - (3) Water vapour (4) Methane (1) High stability and low resilience (2) Low stability and low resilience Q.178 When CO2 concentration in blood increases, breathing becomes - (3) High stability and high resilience (1) There is no effect on breathing (4) Low stability and high resilience (2) Slow and deep (3) Faster and deeper Q.185 In which of the following pairs is the specific (4) Shallower and slow characteristic of a soil not correctly matched :- Q.179 Which one of the following pairs is not correctly (1) Terra rossa – Most suitable for roses matched ? (2) Chernozems – Richest soil in the world (1) Vitamin B6 – Loss of appetite (3) Black soil – Rich in calcium carbonate (2) Vitamin B1 – Beri-beri (4) Laterite – Contains aluminium compound (3) Vitamin B2 – Pellagra (4) Vitamin B12 – Pernicious annemia Q.186 Recently Govt. of India has allowed mixing of Q.180 One of the following is a very unique feature of alcohol in petrol. What is the amount of alcohol the mammalian body - permitted for mixing in petrol :- (1) Presence of diaphragm (2) Four chambered heart (1) 10–15% (2) 10% (3) Rib cage (3) 5% (4) 2.5% (4) Homeothermy CAREER POINT: CP Tower, IPIA, Road No.1, Kota (Raj.), Ph: 0744-3040000 15  CAREER POINT. AIPMT - 2004 Q.187 In a longitudinal section of a root, starting from Q.193 Which form of RNA has a structure resembling the tip upward, the four zones occur in the clover leaf ? following order :- (1) hn-RNA (2) m-RNA (1) Root cap, cell division, cell maturation, cell (3) t-RNA (4) r-RNA enlargement Q.194 A nutritionally wild type organism, which does (2) Cell division, cell enlargement, cell not require any additional growth supplement is maturation, root cap known as :- (3) Cell division, cell maturation, cell enlargement, (1) Holotype (2) Auxotroph root cap (3) Prototroph (4) Phenotype (4) Root cap, cell division, cell enlargement, cell Q.195 Which of the following propagates through leaf- maturation tip :- (1) Sprout-leaf plant (2) Marchantia Q.188 Presence of gills in the tadpole of frog indicates (3) Moss (4) Walking fern that :- (1) Fishes evolved from frog like ancestors Q.196 Common indicator organism of water pollution is :- (2) Frogs will have gills in future (1) Eichhornia crassipes (3) Frogs evolved from gilled ancestors (2) Escherichia coli (4) Fishes were amphibious in the past (3) Entamoeba histolytica (4) Lemna pancicostata Q.189 In oogamy fertilization involves - Q.197 ELISA is used to detect viruses, where :- (1) A large non-motile female gamete and a (1) Southern blotting is done small motile male gamete (2) Alkaline phosphatase is the key reagent (2) A large non-motile female gamete and a (3) Catalase is the key reagent small non-motile male gamete (4) DNA-probes are required (3) A large motile female gamete and a small Q.198 Phenetic classification of organisms is based non-motile male gamete on:- (4) A small non-motile female gamete and a (1) The ancestral lineage of existing organisms large motile male gamete (2) Dendogram based on DNA characteristics (3) Sexual characteristics Q.190 Which one of the following is living fossil - (4) Observable characteristics of existing (1) Moss (2) Saccharomyces organisms (3) spirogyra (4) Cycas Q.199 If you are provided with root-tips of onion in Q.191 In which one of the following habitats does the your class and are asked to count the chromosomes which of the following stages can diurnal temperature of soil surface vary most ? you most conveniently look into :- (1) Forest (2) Desert (1) Telophase (2) Anaphase (3) Grassland (4) Shrub land (3) Prophase (4) Metaphase Q.192 The telomeres of eukaryotic chromosomes Q.200 When a diploid female plant is crossed with a consist of short sequences of - tetraploid male, the ploidy of endosperm cells in (1) Cytosine rich repeats the resulting seed is :- (2) Adenine rich repeats (1) Pentaploidy (2) Diploidy (3) Guanine rich repeats (3) Triploidy (4) Tetraploidy (4) Thymine rich repeats CAREER POINT: CP Tower, IPIA, Road No.1, Kota (Raj.), Ph: 0744-3040000 16  CAREER POINT. AIPMT - 2004 ANSWER KEY (AIPMT-2004) Ques. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Ans 3 1 4 2 1 3 3 2 1 3 1 4 4 4 4 1 4 2 3 1 Ques. 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 Ans 4 2 1 1 4 3 2 2 2 3 2 2 4 3 2 3 2 1 4 3 Ques. 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 Ans 1 4 1 2 4 3 3 2 3 2 2 3 4 2 2 4 3 2 3 3 Ques. 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 Ans 4 1 2 4 4 2 1 4 1 1 3 4 4 2 1 4 3 3 2 4 Ques. 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 Ans 1 4 4 2 1 1 2 4 3 3 2 1 3 3 1,3 2 1 1 1 2 Ques. 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 Ans 3 4 2 4 1 2 4 2 1 2 3 3 3 3 3 4 2 3 4 2 Ques. 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 Ans 2 4 4 2 2 3 3 2 1 4 2 3 4 1 4 4 3 2 2 1 Ques. 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 Ans 1 4 3 4 2 4 3 2 2 1 4 3 4 3 2 4 2 4 1 1 Ques. 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 Ans 2 2 4 1 1 3 1 4 1 3 2 4 2 3 1 4 1 3 1 1 Ques. 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 Ans 1 1 1 4 1 3 4 3 1 4 2 3 3 3 4 2 2 4 4 4 HINTS & SOLUTIONS 1. If rated voltage = supply voltage then in series 6. IN SHM if v = vmax then a = 0 combination of bulbs v=0 then a = amax 1 1 1 1 1 1 1 = + + +...... 7. In series = + +.... Peq P1 P2 P3 k eff k1 k 2 For this question 1 1 1 1 3 1 k1 = + + = = ⇒ Peq = 20watt Peq 60 60 60 60 20 k2 2. Material same ⇒ ρ unchanged m ρl ρl l R= = ⇒R∝ 2 8. Diode is in FB if V1 > V2 A πa 2 a V1 V2 2l therefore R ' ∝ Diode is in RB if V2 > V1 (2a ) 2 9. According to given condition R ⇒ R' = v 2 r cliff is stationary source of freq. f' where 3. According to question R = ⇒ r = nR n  v  f'=  f Rseries = nr = n2R  v − v car    Freq. heard by the driver q1 q 2 Coulomb 2 4. F= ⇒ [∈0 ] =  v + v car   v + v car  4π ∈0 r 2 Newton Meter 2 f " =  f ' =  f = 2f v    v − v car     high R 5. Voltmeter → G ⇒ v + vcar = 2v – 2vcar ⇒ 3vcar = v ⇒ vcar = v/3 CAREER POINT: CP Tower, IPIA, Road No.1, Kota (Raj.), Ph: 0744-3040000 17  CAREER POINT. AIPMT - 2004 4 17. According to question G πR 3ρ GM 4 10. g= = 3 2 = πGρR 1 1 m 0.5 R 2 R 3 mv 2 = kx 2 ⇒ x = v = 1. 5 = 2 2 k 50 Now according to question gplanet = gearth 0.15m 4 4 ⇒ πGρ planet × R planet = πGρ earth × R earth 18. Product is more stable so that its mass is less 3 3 than the sum of masses of reactants i.e. R earth ⇒ Rplanet = (Q ρplanet = 2ρearth) m3 < (m1 + m2) 2 11. GLASS SLAB Red 19. hv = φ + KEmax ⇒ KEmax Green v Red + Green 20. Z = number of protons Red and green rays emerge from two points, In A ZX propagating in two different parallel directions. A-Z = number of neutrons 2 P 1 12. QE= ∴ E ∝ if m1 > m2 then E1 < E2 Gm1m 2 2m m 21. QF= r2 13. According to question from snaell's law  Fr 2  MLT −2 L2 A ∴ [G] =  2  ≡  m  M2 = M–1 L3 T–2 60º i  30º V 2  22. Use power  P = and get required result  R  B C  1 1 e 1  ∆φ  ∆Q ∆φ 1. sin i = µsin30º ⇒ sin i = 2× = 23. I= =  = ⇒Q= 2 2 R R  ∆t  ∆t R ⇒ i = 45º