Solved papers for BHU PMT BHU PMT (Mains) Solved Paper-2006
done BHU PMT (Mains) Solved Paper-2006 Total Questions - 200
question_answer1) A person walked up a stalled escalator in 90 s. When standing on the same escalator, now moving, he is carried up in 60 s. How much time would it take him to walk up the moving escalator?
question_answer2) From the top of a building a ball is dropped while another is thrown horizontally at the same time. Which ball will strike the ground first?
question_answer3) All ball of mass\[{{m}_{1}}\]collides elastically and head on with another ball of mass\[{{m}_{2}}\]initially at rest. In which of the following cases transfer of momentum will be maximum?
question_answer5) The radius of gyration of a slender rod of mass M and length L about an axis of rotation perpendicular to its length and passing through the centre is:
question_answer6) A double star system consists of two stars A and B, which have time period\[{{T}_{A}}\]and\[{{T}_{B}},\]radius\[{{R}_{A}}\]and\[{{R}_{B}}\]and mass\[{{M}_{A}}\]and\[{{M}_{B}}\]Then:
question_answer7) The energy supplied to Kolkata by the state electricity board during an average November week day was 40 GWh. If this energy could be obtained by the conservation of matter, how much mass would have to be annihilated?
question_answer8) A simple pendulum has time period\[{{T}_{1}}\]. The point of suspension is now moved upward according to the relation\[y=k{{t}^{2}}(k=1\,m/{{s}^{2}})\]where y is the vertical displacement. The time period now becomes\[{{T}_{2}}\]. The ratio of\[\frac{T_{1}^{2}}{T_{2}^{2}}\]is: \[(g=10\,m/{{s}^{2}})\]
question_answer9) An ideal gas expands isothermally from a volume\[{{V}_{1}}\]and \[{{V}_{2}}\]and then compressed to original volume adiabatically. Initial pressure is\[{{P}_{1}}\]and final ressure is\[{{P}_{3}}\]The total work done is W. Then:
question_answer10) A man on the ground finds that when he sees a jet plane just over his head, the sound is heard at an angle of\[30{}^\circ \]with the vertical from his left. If the velocity of sound is v, what is the velocity of the jet plane?
question_answer11) A convex lens is in contact with concave lens. The magnitude of the ratio of their focal lengths is 2/3. Their equivalent focal length is 30 cm. What are their individual focal lengths?
question_answer12) Yellow light is used in a single slit diffraction experiment with slit width of 0.6 mm. If yellow light is replaced by X-rays, then the observed pattern will reveal:
question_answer13) Two conductors identical in shape and size but one of copper and the other of aluminium (which is less conducting), are both placed in an identical electric field. In which metal will more charge be induced?
question_answer14) The deflection in a moving coil galvanometer falls from 50 divisions to 10 divisions when a shunt of\[12\,\Omega \]is applied. What is the resistance of the galvanometer?
question_answer15) A rigid container with thermally insulated walls contains a coil of resistance\[100\,\,\Omega ,\] carrying current 1A. Change in internal energy after 5 min will be:
question_answer17) A coil of inductance 8.4 mH and resistance\[6\text{ }\Omega \] is connected to a 12V battery. The current in the coil is 1 A at approximately the time:
question_answer18) The\[{{K}_{a}}\]X-ray emission line of tungsten occurs at\[\lambda =0.021\text{ }mm\]. The energy difference between K and L levels in this atom is about:
question_answer20) A point object is placed at the centre of a glass sphere of radius 6 cm and refractive index 1.5. The distance of the virtual image from the surface of sphere is:
question_answer21) An electron of mass rug, initially at rest, moves through a certain distance in a unifrom electric field in time\[{{t}_{1}}\] A proton of mass\[{{m}_{p}},\]also, initially at rest, takes time\[{{t}_{2}}\] to move through an equal distance in this unifrom electric field. Neglecting the effect of gravity, the ratio\[{{t}_{2}}/{{t}_{1}}\]is nearly equal to:
question_answer22) If the atom\[_{100}F{{m}^{257}}\]follows the Bohr's model and the radius of\[_{100}F{{m}^{257}}\]is n times the Bohr radius, then find n:
question_answer26) A particle moves as such acceleration is given by\[\alpha =3\text{ }sin\text{ }4t,\] then: (1) the initial velocity of the particle must be zero (2) the acceleration of the particle becomes zero after each interval of \[\frac{\pi }{4}\] second (3) the particle comes at its initial position after sometime (4) the particle must move on a circular path
question_answer27) A reference frame attached to the earth: (1) cannot be an inertial frame because the earth is revolving round the sun (2) is an inertial frame by definition (3) is an inertial frame because Newton's laws are applicable in this frame (4) cannot be an inertial frame because the earth is rotating about its own axis
question_answer28) A particle is acted upon by a force of constant magnitude which is always perpendicular to the velocity of the particle. The motion of the particle takes place in a plane. It follows that: (1) its velocity is constant (2) its kinetic energy is constant (3) it moves in a circular path (4) its acceleration is constant
question_answer29) A solid sphere is in pure rolling motion on an inclined surface having inclination\[\theta \]. Then: (1) friction will increase its angular velocity and decrease its linear velocity (2) if\[\theta \]decreases, friction will decrease (3) frictional force acting on sphere is \[f=\mu \] \[mg\cos \theta \] (4)\[f\]is dissipative force
question_answer30) A linear harmonic oscillator of force constant \[2\times {{10}^{6}}N/m\] and amplitude 0.01m has total mechanical energy of 160 J. its: (1) maximum potential energy is 100 J (2) maximum kinetic energy is 100 J (3) maximum potential energy is 160 J (4) maximum potential energy is zero
question_answer31) If a satellite orbits as close to the earth's surface as possible: (1) its time period of rotation is minimum (2) its speed is maximum (3) the total energy of the earth plus satellite system is minimum (4) the total energy of the earth plus satellite system is maximum
question_answer32) According to kinetic theory of gases, which one of the following statements are true? (1) Real gas behaves as ideal gas at high temperature and low pressure (2) Liquid state of ideal gas is impossible (3) At any temperature and pressure ideal gas obeys the Boyle's law and Charles? law (4) The molecules of real gas do not exert any force on each other
question_answer33) A liquid of density p comes out with a velocity v from a horizontal tube of area of cross-section A. The reaction force exerted by the liquid on the tube is F, then: (1) \[F\propto \rho \] (2) \[F\propto A\] (3) \[F\propto {{v}^{2}}\] (4) \[F\propto v\]
question_answer34) During the melting of slab of ice at 273 K at atmospheric pressure: (1) positive work is done by the ice-water system on the atmosphere (2) positive work is done on the ice-water system by the atmosphere (3) the internal energy of the ice-water system increases (4) the internal energy of the ice-water system decreases
question_answer36) A wave is represented by the equation \[y=A\sin (10\pi x+15\pi t+\pi /3)\] where\[x\]is in metres and t is in seconds. The expression represents: a wave travelling in the positive \[x-\]direction with a velocity 1.5 m/s (2) a wave travelling in the negative \[x-\]direction with a velocity 1.5 m/s (3) a wave travelling in the negative \[x-\]direction with a wavelength 0.2 m (4) a wave travelling in the positive \[x-\]direction with a wavelength 0.2 m
question_answer37) A ray of light travelling in a transparent medium falls on a surface separating the medium from air at an angle of incidence\[45{}^\circ \]. The ray undergoes total internal reflection. If n is the refractive index of the medium with respect to air, select the possible value of n from the following: (1) 1.3 (2) 1.4 (3) 1.5 (4) 1.6
question_answer38) Three charged particles are collinear and are in equilibrium. Then: (1) all the charged particles cannot have the same polarity (2) all the charged particles have the same polarity (3) the equilibrium is stable (4) the equilibrium is unstable
question_answer39) When a potential difference is applied a cross the current passing through: an insulator at 0 K is zero a semiconductor at 0 K is zero a p-n diode at 300 K is finite, if it is reverse biased (4) a metal at 0 K is finite
question_answer40) The charge flowing in a conductor varies with time as\[Q=at-b{{t}^{2}},\]then the current: (1) reaches a maximum and then decreases (2) falls to zero after \[t=a/2b\] (3) changes at the rate of\[(-2\text{ }b)\] (4) will remain constant
question_answer41) In See back series, antimony appears after bismuth. But in Sb-Bi thermocouple the current flows from: (1) Bi to Sb through hot junction (2) Bi to Sb through cold junction (3) Sb to Bi through hot junction (4) Sb to Bi through cold junction
question_answer42) Two electric bulbs rated 25 W, 220 V and 100 W, 200 V are connected in series across a 220 V source. The 25 W and 100 W bulbs now draw powers ?i and P^ respectively, then: (1) \[{{P}_{1}}=16W\] (2) \[{{P}_{1}}=4\,W\] (3) \[{{P}_{2}}=16\,W\] (4) \[{{P}_{2}}=4\,W\]
question_answer43) A proton moving with a constant velocity passes through a region of space without any change in its velocity. If£ and B represent the electric and magnetic fields respectively this region of space may have: (1) \[E=0,\text{ }B=0\] (2) \[E=0,\text{ }B\ne 0\] (3) \[E\ne 0,\text{ }B\ne 0\] (4) \[E\ne 0,\text{ }B=0\]
question_answer45) A field line is shown in figure. This field cannot represent: (1) magnetic field (2) electrostatic field (3) gravitational field (4) induced electric field
question_answer46) In the Young's double slit experiment, the interference pattern is found to have an intensity ratio between bright and dark fringes as 9. This implies that: (1) the intensities at the screen due to the two slits are 4 units and 1 unit respectively (2) the intensities at the screen due to two slits are 5 units and 4 units respectively (3) the amplitude ratio is 3 (4) the amplitude ratio is 2
question_answer47) Let nip be the mass of proton,\[{{m}_{p}}\]the mass of neutron.\[{{M}_{1}}\]the mass of\[_{10}^{20}Ne\]nucleus and\[{{M}_{2}}\]the mass of\[_{20}^{40}Ca\]nucleus. Then: \[{{M}_{2}}=2{{M}_{1}}\] \[{{M}_{2}}<2{{M}_{1}}\] \[{{M}_{1}}<10({{m}_{n}}+{{m}_{p}})\] \[{{M}_{2}}<2{{M}_{1}}\]
question_answer48) The electron in a hydrogen atom makes a transition\[{{n}_{1}}\to {{n}_{2}},\]where\[{{n}_{1}}\]and\[{{n}_{2}}\]are the principal quantum numbers of two states. Assume the Bohr model to be valid. The time period of the electron in the initial state is eight times that in the final state. The possible values of\[{{n}_{1}}\]and\[{{n}_{2}}\]are: (1) \[{{n}_{1}}=4,\text{ }{{\text{n}}_{2}}=2\] (2)\[{{n}_{1}}=8,\text{ }{{\text{n}}_{2}}=2\] (3) \[{{n}_{1}}=8,\text{ }{{\text{n}}_{2}}=1\] (4) \[{{n}_{1}}=6,\text{ }{{\text{n}}_{2}}=3\]
question_answer49) Green light causes emission of photoelectrons from a surface, but not the yellow light. Emission of photoelectron will occur if the surface is illuminated by: (1) microwave (2) blue rays (3) ultraviolet rays (4) infrared rays
question_answer50) A transistor is used in common emitter mode as an amplifier. Then: (1) the base-emitter junction is forward biased (2) the base-emitter junction is reverse biased (3) the input signal is connected in series with the voltage applied to bias the base-collector junction (4) the input signal is connected in series with the voltage applied to the base-emitter junction
question_answer60) A bottle of dry ammonia and a bottle of dry hydrogen chloride connected through a long tube are opened simultaneously at both ends, the white ammonium chloride ring first formed will be:
question_answer62) Consider the chemical reaction: \[{{N}_{2}}(g)+3{{H}_{2}}(g)\xrightarrow{{}}2N{{H}_{3}}(g)\] The rate of this reaction can be expressed in terms of time derivative of concentration of \[{{N}_{2}}(g),{{H}_{2}}(g)\]or\[N{{H}_{3}}(g)\]. Identify the correct relationship amongst the rate expressions:
question_answer63) The\[\Delta {{G}^{o}}\]for the Daniell cell has been found to be\[-212.3\text{ }kJ\]at\[25{}^\circ C\]. Calculate the equilibrium constant for the cell reaction.
question_answer64) What is\[[{{H}^{+}}]\]of a solution having 0.1M HCN and\[0.2M\text{ }NaCN\]? (\[{{K}_{a}}\]for\[HCN\text{ }=6.2\times {{10}^{-10}}\])
question_answer68) The molal freezing point constant for water is \[1.86{}^\circ C\]per mol therefore, the freezing point of\[0.1M\text{ }NaCl\] solution in water is expected to be:
question_answer75) The rate constant is given by the equation \[k=P.Z{{e}^{{\scriptstyle{}^{-E}/{}_{RT}}}}\]. Which factor should register a decrease for the reaction to proceed more rapidly?
question_answer76) Which of the following have the same mass? (1) 0.1 mol of\[S{{O}_{2}}\]gas (2)\[6.02\times {{10}^{22}}\]molecules of\[S{{O}_{2}}\]gas (3)\[1.204\times {{20}^{23}}\]molecules of\[{{O}_{2}}\]gas (4) 0.1 mol of\[{{O}_{3}}\]gas
question_answer77) The enthalpy change for the process \[C(graphite)\xrightarrow{{}}C(g)\]is called: (1) heat of vaporisation (2) heat of sublimation (3) heat of atomisation (4) heat of allotropic change
question_answer79) \[s{{p}^{3}}\]-hybridization is found in the structure of: (1) \[C{{H}_{4}}\] (2)\[N{{H}_{3}}\] (3) \[{{H}_{2}}O\] (4)\[C{{O}_{2}}\]
question_answer84) The compounds show the geometrical isomerism are: (1) (2) \[C{{H}_{3}}C{{H}_{2}}CH=CHC{{H}_{3}}\] (3) \[B{{r}_{2}}C=C{{H}_{2}}\] (4) \[ClHC=CHCl\]
question_answer91) The greater stability of tert-butyl carbocation over methyl carbocation can be explained on the basis of: (1)\[+I\]effect of the methyl group (2) hyperconjugation effect of the methyl group (3) electromeric effect of the methyl group (4) \[-I\]effect of the methyl group
question_answer108) A bacteria divides every 35 minutes. If a culture containing 105 cells per mL is grown for 175 min. What will be the cell concentration per mL after 175 min?
question_answer126) In the immune system of body: (1) only protein serve as immunogens for cell mediated immunity (2) lipids and nucleic acid do not serve as immunogens (3) immunogeniciry is an intrinsic property of a macromolecule (4) immune system recognises bacterial products and fungal parasites
question_answer129) LH in human female is : (1) fascilitates luteinisation of granulosa cells of ovulated follicle (2) called ovulation hormone (3) helps in milk eyection (4) activate Leydig's cell to secrete androgen
question_answer130) Correctly matched pairs are : (1) Clitoris?erectile body in female homologous to glans penis of male (2) Sexual inter course?coirtus (3) Colostrum?secretion found in seminal fluid (4) Areola?pigmented circular area around the nipple
question_answer132) Correctly matched pairs are : (1) Allopatric species?separated by distance barrier (2) Darwin's finches?unique to Galapagos island (3) Coacervates?aggregates of large complex organic compounds bound by a membrane (4) Species are not?Lamarckism immutable
question_answer133) Amniocentesis is a method to : (1) detect genetic disorder in an unborn baby (2) prenatal sex-determination (3) medical termination of pregnancy (4) fertilize the egg
question_answer134) Biomedical technique commonly used are : (1) Magneto?study of brain in health and encephalography disease (2) PET imaging?measurment of cerebral blood volume and flow rate (3) Nuclear induction method?discovered by Banting and Best (4) Tomography?treatment by radiation
question_answer135) Which one is correct ? (1) Modem classification?based on phylogeny (2) Artificial classification?Theophrasms (3) Biometry?study of geographical distribution of organisms (4) Natural classification?based on genetic and reproductive character
question_answer138) The striated muscles are characterised that: (1) they are multinucleate and syncytial (2) sarcolemma is found over them (3) are found in pulmonary vein (4) jaw muscles are striated, voluntary and strongest
question_answer139) In the given statements: (1) fundic stomach is the site of digestion (2) cardiac glands are found in stomach (3) pepsinogen is secreted by paneth cells of crypts of lieberkuhn (4) gastric juice has pH 2.0
question_answer141) Among the given statement : (1) larynx is larger in human males than in females (2) the air tube in mammals is called trachea (3) bifurcation of trachea is called bronchi (4) sound producing organ of human female is syrinx
question_answer142) True statement about the respiratory process in human, is/are : (1) Human males use thoracic rib cage and dia phragm for breathing while females use only thoracic rib cage (2) In normal expiration the diaphragm is arched (3) High temperature of body promates accelerated breathing (4) The rate of respiration is slowest while eating food
question_answer146) Linkage groups : (1) have genes which were linked together in a single chromosoems (2) shows independent assortment (3) do not show independent assortment (4) in prokaryotes are more than one
question_answer147) Glomerular filterate is : (1) formed continuously by the process of ultrafi Iteration occurring at malpighian corpuscles in which the blood cells and the colloidal macromolecues are not allowed to pass across the filtering surface (2) the lipid free fluid collected within the lumen of Bowman's capsule (3) the protein free fluid collected within the lumen of Bowman's capsule (4) formed by the process of selective reabsorption
question_answer149) Blood does not clot inside the vessels because : (1) constant speedy flow of blood prevents accumulation of fibrin threads, if at all formed (2) absence of heparin, an anticoagulant having an tithrombin activity, in blood (3) smoothness of the endothelial lining prevents rupture of platelets and formation of thromboplasrin from them (4) presence of monomolecular layer of negatively charged protein adsorbed to the inner surface of endothetium which attracts the cloning factors
question_answer150) Which of the following conditions are responsible for sweating to occur? (1) increase of blood temperature due to excessive heat production in the body, e.g., vigorous muscular exercise (2) emotional conditions like fear, anger. anxiety, excitement, mental tension etc (3) during breathing distress and cardiac abnormal ties (4) during drinking
question_answer177) Select the correct statement: (1) \[{{C}_{4}}\]pathway for \[C{{O}_{2}}\]fixation were discovered by Hatch and Slack (2) \[C{{O}_{2}}\]is essential for photosynthesis (3) Addition of sodium carbonate in water retards photosynthetic rate in vallisneria (4) Phloem is the principal pathway for translocation of solutes
question_answer178) Select the correct statement: (1) Lenticel is the exit route for transpiration (2) The action spectra of transpiration is blue and red (3) Transpiration helps the plant to remain cool (4) Transpiration can be measured by photometer
question_answer180) Which of the following statement is correct? (1) The causal organism for foolish seedling disease is the source of gibberellin (2) Abscisic acid is a growth promoter (3) The ratio of auxin: cytokinin control cell differentiation (4) Bolting of cabbage can be induced by treatment with \[\text{IAA}\]
question_answer182) With reference to plant tissue culture select the matching pair : (1) Sterile triploid?banana and seedless fruit (2) Somaclonal variations ? differences appearing (3) Embryoids ? non-zygatic embryo produced from somatic cells (4) Pulses?belong to cruciferae
question_answer184) In the bacteria : (1) mesosome is present (2) nucleoid represents the genome (3) ribosomes are found in cytoplasm (4) histone proteins complexed with DNA
question_answer185) Consider the following statements : (1) cucurbits are monoecious plant (2) in mango, neuter, male and female and female flowers occur together (3) legumenous plants show unisexuality (4) oblique septa is found in Rosaceae
question_answer186) Consider the following statement: (1) In plant cells, cytokinesis start with the formation of the phragmoplast (2) Phragmoplast comprises inirazonal microcubules and Golgi vesicles (3) Primary cell wall is produced by microtubules (4) Phragmoplast is formed by nucleus
question_answer187) Consider the following statements : The genetic code said to be degenerate and universal which means that, (1) amino acids may have more than one codon (2) all amino acids have more than one codon (3) codons are common for higher and lower organism (4) codons are not found in bacteria
question_answer188) Which of the following pairs are correctly matched? (1) 700 nm?Photosystem\[\text{-I}\] (2) 650 nm?Photosystem\[\text{-II}\] (3) 690 nm?Photosystem\[\text{-II}\] (4) 620 nm?Phycocyanin
question_answer189) Consider the following statements: (1) Copper is present in cytochrome oxidane (2) Pantothenic acid is the precursor of co-enzyme-A (3) Thiamine pyprophosphate is the prosthetic group in decarboxylases (4) Zinc is present in RNA and DNA polymerases
question_answer190) Which of the following pairs are correctly matched? (1) Fertile spike?Ophioglossum (2) Sporangiophore?Equisetum (3) Synangium?Psilotum (4) Apophysis?Spirogyra
question_answer191) Consider the following statements : Marchantia polymorpha (1) is dioecious (2) possesses antheridiophores and archegoniophores (3) lacks foot and seta in its sporophyte (4) is heterosporous
question_answer192) Which of the following are true archaebacteria? (1) Extreme halophiles (2) Extreme thermophyles (3) Meihanogens (4) Presence of pephdogtycan cell wall
question_answer193) Which of the following are endangered plants? (1) Saintpaulia ionantha (2) CeracozamiG hildae (3) Punica granarum (4) Senecio hadrasomum
question_answer194) Consider the following statement: The ex situ conservation of generic resources can be done through : (1) tissue culture practices (2) maintenance of sanctuaries (3) the establishment of germplasm banks (4) the establishment of national parks
question_answer196) Consider the following statements associated with the germination of an angiospermous seed: (1) as the seed gets hydrated and germinates, enzymatic activity is increased (2) the respiration rate of the germinating seed increases along with the increased enzymatic activity (3) the increase in the respiratory rate continues till senescence (4) rate of enzymatic activity decreases
question_answer197) Consider the following statements: (1) the seed of pea is exalbuminous (2) the fruit of peach is drupe (3) the seed of tomato is albuminous (4) the fruit of coconut is berry
question_answer198) Consider the following statements : (1) cutin is a fatty acid polymer (2) starch is a fatty acid polymer (3) sucrose is monosaccharide (4) maltose is polymer of fructose