Solved papers for Manipal Medical Manipal Medical Solved Paper-2015
done Manipal Medical Solved Paper-2015 Total Questions - 170
question_answer1) A force F is given by \[F=at+b{{t}^{2}},\] where \[t\] is time, the dimensions of a and b are
A)
\[[ML{{T}^{-3}}]\] and \[[ML{{T}^{-4}}]\]
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B)
\[[ML{{T}^{-3}}]\] and \[[M{{L}^{2}}{{T}^{-4}}]\]
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C)
\[[ML{{T}^{-4}}]\] and \[[ML{{T}^{1}}]\]
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D)
\[[ML{{T}^{-3}}]\] and \[[M{{L}^{2}}{{T}^{-4}}]\] From the principle of dimensional homogeneity \[[a]=\left[ \frac{F}{t} \right]=[ML{{T}^{-3}}]\] \[[b]=\left[ \frac{F}{{{t}^{2}}} \right]=[ML{{T}^{-4}}]\]
question_answer6) When the tension in a metal wire is \[{{T}_{1}}\] its length is\[{{l}_{1}}\], when the tension is \[{{T}_{2}}\]its length is\[{{l}_{2}}\]. The natural length of wire is
question_answer7) A ring of radius 0.5 and mass 10 kg is rotating about its diameter with angular velocity of 20 rad \[{{s}^{-1}}\]. Its kinetic energy is
question_answer8) If a vector \[2\hat{i}+3\hat{j}+8\hat{k}\]is perpendicular to the vector\[4\hat{j}-4\hat{i}+\alpha \hat{k}\]. Then, the value of \[\alpha \] is
question_answer9) A car starts from rest and accelerates uniformly to a speed of 18 km \[{{h}^{-1}}\] in 10. The distance covered by the car in the time interval is
question_answer12) Two particles \[A\]and \[B\]having equal charges + 6 C after being accelerated through the same potential difference, enter in a region of uniform magnetic field and describe circular paths of radii 2 cm and 3 cm respectively. The ratio of mass of \[A\]to that of \[B\]is
question_answer14) Three charges \[1\mu C,2\mu C,\]and \[3\mu C\]are kept at vertices of an equilateral triangle of side 1 m. If they are brought nearer, so that they now form an equilateral triangle of side 0.5 m, then work done is
question_answer15) If a black body emits 0.5 J of energy per second when it is at 27°C, then the amount of energy emitted by it when it is at 627°C will be
question_answer18) In Young's double slit experiment, when wavelength used is \[6000\,\,\overset{\text{ }\!\!{}^\circ\!\!\text{ }}{\mathop{\text{A}}}\,\]and the screen is 40 cm from the slits, the fringes are 0.012 cm wide. What is the distance between the slits?
question_answer19) A steady current flows in a metallic conductor of non-uniform cross-section. Which of the following quantities is constant along the conductor?
question_answer22) A particle is projected with velocity \[{{v}_{0}}\]along axis. The deceleration on the particle is proportional to the square of the distance from the origin, i.e. \[\alpha =\alpha {{x}^{2}}\], the distance at which the particle stop is
question_answer23) A particle of mass m collides with another stationary particle of mass M. If the particle m stops just after collision, then the coefficient of restitution for collision is equal to
question_answer24) A common emitter amplifier is designed with \[n-p-n\]transistor (\[\alpha =0.99\]). The input impedance is\[1\,k\Omega \]. and load is \[10\,k\Omega \]. The voltage gain will be
question_answer28) A straight line conductor of length 0.4 m is moved with a speed of 7 \[m{{s}^{-1}}\] perpendicular to magnetic field of intensity of 0.9\[Wb{{m}^{-2}}\]. The induced emf across the conductor is
question_answer29) When a train approaches a stationary observer, the apparent frequency of the whistle is \[n'\]and when the same train recedes away from the observer, the apparent frequency is \[n''\]Then, the apparent frequency n when the observer moves with the train is
question_answer30) Three tubes A, B and C are connected to a horizontal pipe in which liquid is flowing. The radii of pipe at the joints of A, B, and C are 2 cm, 1 cm and 2 cm respectively. The height of liquid
question_answer31) According to Keplers law of planetary motion, if T represents time period and r is orbital radius, then for two planets these are related as
question_answer34) The half-life of radium is 1620 yr and its atomic weight is 226 kg per kilo mol. The number of atoms that will decay from its 1g sample per second will be (take, Avogadro's number \[{{N}_{A}}=6.023\times {{10}^{23}}\]atom/kilo mol)
question_answer37) In a circuit, L, C and R are connected in series with an alternating voltage source of frequency\[f\].The current leads the voltage by 45°. The value of C is
question_answer38) Starting from origin, a body oscillates simple harmonically with a period of 2s. After what time will its kinetic energy be 75% of the total energy ?
question_answer39) The amount of work done in blowing a soap bubble such that its diameter increases from d to D is (S = surface tension of the solution)
question_answer41) Two masses of 5 kg and 10 kg are connected to a pulley as shown. What will be the acceleration of the system? (g = acceleration due to gravity)
question_answer42) Which of the following is not one of the prime health risks associated with greater UV radiation due to the depletion of stratospheric ozone?
question_answer44) The ionisation energy of the electron in the hydrogen atom in its ground state is 13.6 eV. The atoms are excited to higher energy levels to emit radiations of 6 wavelengths. Maximum wavelength of emitted radiation corresponds to the transition between
question_answer47) A bob of mass m accelerates uniformly from rest to \[{{v}_{1}}\]in time\[{{t}_{1}}\]. As a. function of t, the instantaneous. Power delivered to the body is
question_answer48) In a semiconducting material, the mobility?s of electrons and holes are \[{{\mu }_{e}}\]and \[{{\mu }_{h}}\]respectively. Which of the following is true?
question_answer52) Analysis shows that nickel oxide has the formula\[N{{i}_{0.98}}O\]. The percentage of Ni present as \[N{{i}^{2+}}\]and\[N{{i}^{3+}}\]respectively will be
question_answer54) Nalorphene (\[{{C}_{19}}{{H}_{21}}N{{O}_{3}}\]) similar to morphine, is used to combat withdrawal symptoms in narcotic uses. Dose of nalorphene generally given is 1.5 mg. The mass \[1.5\times {{10}^{-3}}m\] aqueous solution required for the above dose is
question_answer55) An alkane (molecular weight = 86) on mono chlorination gives only two monochloro derivatives. One isomer (X) of this alkane is obtained on catalytic reduction of alkene (Y) which gives four monochloro derivatives. Isomer (X) is
question_answer56) The standard emf of the cell\[Cd(s)/CdC{{l}_{2}}(aq)(0.1M)|\,|\,AgCl(s)\,|\,Ag(s)\]in which the cell-reaction is \[Cd(s)+2AgCl(s)\,\,\to \]\[2Ag(s)+C{{d}^{2+}}(aq)+2C{{l}^{-}}(aq)\] is. 0.6915 V at 273 K and 0.6573 V at 298 K. The enthalpy change of the reaction at 298 K is
question_answer58) In the following reaction,\[0.02=1.61\exp .\left( \frac{-18260.8}{8.314\times T} \right)\] The temperature at which the reaction occurs is
question_answer59) 10 mL of water required 1.47 mg of \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\](mol. wt. = 294) for oxidation of dissolved organic matter. C.O.D (Chemical Oxygen Demand) of water is
question_answer60) In an adsorption experiment, a graph between log \[\left( \frac{x}{m} \right)\] versus log p is found to be linear with slope of 45°. The intercept on log \[\left( \frac{x}{m} \right)\]axis was found to 0.3010. The amount of the gas adsorbed per gram of charcoal under the pressure of 0.5 atm will be
question_answer62) The density of water and ethanol at room temperature is 1.0 g/mL and 0.789 g/mL respectively. What volume of ethanol contains the same number of molecules as are present in 100 mL of water?
question_answer64) In a multi-electron atom, which of the following orbitals, described by the three quantum numbers, will have the same energy in the absence of magnetic field and electric field? (i) \[n=1,l=0,m=0\] (ii) \[n=2,l=0,m=0\] (iii) \[n=3,l=1,m=1\] (iv) \[n=3,l=2,m=1\] (v) \[n=3,l=2,m=0\]
question_answer65) An unknown alkyl halide (X) reacts with alcoholic KOH and produces a hydrocarbon\[({{C}_{4}}{{H}_{8}})\]as the major product. Ozonolysis of this hydrocarbon affords one mole of propanaldehyde and one mole of formaldehyde. Suggest which organic compound among the following has the correct structure of the above alkyl halide (X)?
question_answer66) The table shown below gives the bond dissociation energies (\[{{E}_{diss}}\]) for single covalent bonds of carbon (C) atoms with the element P, Q, R and S. Which element has the smallest atoms?
question_answer68) Identify (C) in the following reaction series \[\begin{align} & Ethanol\xrightarrow{PB{{r}_{3}}}A\xrightarrow{Alc.KOH}B\xrightarrow[{{H}_{2}}O.heat]{{{H}_{2}}S{{O}_{4}},room\,\,\,\,temperataure}C \\ & \\ \end{align}\]
question_answer69) The total number of electrons that can be accommodated in all the orbitals having principal quantum number 2 and azimuthal quantum number 1 is
question_answer70) If II and III are three isotherms respectively at temperatures \[{{T}_{2}},{{T}_{2}}\] and \[{{T}_{3}}\] then temperature will be in order
question_answer72) Which one/ones of the following reactions will yield 2-propanol? (I) \[C{{H}_{3}}-CHO\xrightarrow[(ii){{H}_{2}}O]{(i)C{{H}_{3}}Mgl}\] (II) \[C{{H}_{2}}O\xrightarrow[(ii){{H}_{2}}O]{(i){{C}_{2}}{{H}_{5}}Mgl}\] (III) \[C{{H}_{2}}=CH-C{{H}_{3}}+{{H}_{2}}O\xrightarrow{{{H}^{+}}}\] (IV) \[C{{H}_{2}}=CH-C{{H}_{3}}\xrightarrow{Neutral\,\,KMn{{O}_{4}}}\]
question_answer73) The first orbital of H is represented by \[\psi =\frac{1}{\sqrt{\pi }}{{\left( \frac{1}{{{a}_{0}}} \right)}^{3/2}}{{e}^{-\pi /{{a}_{0}}}}\], where \[{{a}_{0}}\] is Bohr's radius. The probability of finding the electron at a distance r from the nucleus in the region \[dV\]is
question_answer78) On subjecting mesityl oxide to the iodoform reaction, one of the products is the sodium salt of an organic acid. Which acid is obtained?
question_answer80) An organic compound (X) on reduction gives compound (Y). (Y) on treatment with\[CHC{{l}_{3}}\] and alcoholic KOH gives (Z). (Z) on catalytic reduction gives N- methylaniline. The compound (X) is
question_answer82) 3-nitroaniline is subjected to the treatment of various reagents in the following sequences (i) \[NaN{{O}_{2}}/HCl,280\,K\] (ii) \[Kl\] (iii) Cu powder The final product will be
question_answer83) The specific rotation of \[\alpha \]- and \[\beta \]-forms of a monosaccharide are +29° and -17° respectively. When either form is dissolved in water the specific rotation of the equilibrium mixture was found to be +14°. What is the composition of these forms? \[\alpha \]- form \[\beta \]- form \[\alpha \]- form \[\beta \]- form
question_answer86) Find out the amount of polythene formed from 20 kg of calcium carbide from the following reactions. \[{{C}_{a}}{{C}_{2}}+2{{H}_{2}}O\to Ca{{(OH)}_{2}}+{{C}_{2}}{{H}_{2}}\] \[HC\equiv CH+{{H}_{2}}\xrightarrow{Pd-BaS{{O}_{4}}}C{{H}_{2}}=C{{H}_{2}}\] \[\begin{align} & nC{{H}_{2}}=C{{H}_{2}}\to -{{(C{{H}_{2}}-C{{H}_{2}}-)}_{n}} \\ & Polythene \\ \end{align}\]
question_answer87) A sample of polymer contains 30% molecules with molecular mass 20,000, 40% with molecular mass 20,000 and 30% .with molecular mass 60,000. What is the number average molecular mass of the polymer?
question_answer100) When 100 g of ethylene polymerises to polyethylene according to the equation \[nC{{H}_{2}}=C{{H}_{2}}\to -{{(C{{H}_{2}}-C{{H}_{2}}-)}_{n}}\] The weight of polyethylene produced will be
question_answer107) Given below are four matchings of an animal and its kind of respiratory organ . (I) Silver fish?Trachea (II) Scorpion?Book lung (III) Sea squirt?Pharyngeal slits (IV) Dolphin?Skin Correct options
question_answer111) \[N{{a}^{+}},{{K}^{+}}\]pump is found in membranes of many cells, like nerve cells. It work against eleccrochemical gradient and involve an integral protein ATP. For each molecule of ATP used
A)
3 ions of \[N{{a}^{+}}\]pumped out and \[2{{K}^{+}}\]are taken in
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B)
3 ions of \[N{{a}^{+}}\]are taken in and \[2{{K}^{+}}\] are pumped out
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C)
2 ion of \[N{{a}^{+}}\]are thrown out and \[3{{K}^{+}}\]are absorbed
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D)
3 ion of \[{{K}^{+}}\]are absorbed and 3\[N{{a}^{+}}\]are pumped out
question_answer112) Refer the following features. (I) Adenohypophysis produces gonadotropins (II) Besides sex cells, hormones are also produced by testis and ovary. (III) Testosterone is produced by Leydig's cells. (IV) Oestrogen is produced by ovary. Which of the above factors influence secondary sexual characters?
question_answer114) How many plants in the list below have composite fruits that develop from an inflorescence? Walnut, poppy, radish, fig, pineapple, apple, tomato, mulberry
question_answer117) Study the following statements regarding to the preparation of herbarium sheets. (I) Plants should be collected in flowering stage. (II) Every detail regarding the plant such as locality, ecological conditions vegetative and floral characters, etc should be noted. (III) Plants are evenly pressed by unfolding all the plants parts between blotting papers (or newspapers) with the help of plant presser. (IV) Blotting paper need not to be changed until plants get dried. (V) After drying, the plants specimen is carefully mounted/pasted on the herbarium sheets. (VI) The herbarium sheet is labelled on the lower right hand corner representing the number of plant specimen, date of collection, etc. Which of the above statement (s) is not correct?
question_answer121) Which of the following observations most strongly support the view that mitochondria contain electron transport enzymes aggregated in compact association?
A)
Mitochondria have highly folded inner wall
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B)
Disruption of mitochondria yields membrane fragments, which are able to synthesis ATP
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C)
A contractile protein capable of utilise ATP, which has been obtained from mitochondria
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D)
Mitochondria is animal embryos have tendency to concentrate in cells, which are to become locomotory structures
question_answer131) Read the statement and fill the blanks with appropriate terms. A drug used for \[\begin{align} & A \\ & ... \\ \end{align}\] obtained from a species of the organism \[\begin{align} & B \\ & ... \\ \end{align}\]
question_answer139) The psychological disorder, which is characterised by sadness, hoplessness, law self-estesm, decline in interest, energy, concentration and changes in sleep pattern and appetite is called
question_answer149) Match column I with column II and choose the correct option.
Column I
Column II
(A) Xanthium
(1) Its flower opens at high temperature.
(B) Crocus
(2) Earlier and higher yield of crop can be obtained by keeping its seed at low temperature between 1 to \[{{10}^{\circ }}\] C.
(C) Millet
(3) Growth regulator can be obtained from one part of it.
(D) Coconut
(4) It produces flower, when period of light is less than critical period. (5) It is an example of photonasty. (6) It produces flower, when period of light available is more than critical period.
question_answer150) Some of the common steps involved in the production of humulin are given below. Choose the correct sequence. (I) Synthesis of gene (DNA) for human insulin artificially. (II) Culturing of recombinant E. coli in bacteria. (III) Purification of humulin. (IV) Insertion of human insulin gene in plasmid DNA. (V) Introduction of recombinant plasmid into E. coli. (VI) Extraction of recombinant gene product from E. coli.
question_answer155) If levels of carboxy haemoglobin in blood reaches up to......the functioning of central nervous system is severly affected which causes death?
question_answer157) The cardiac pacemaker in a patient facts to function normally. The doctor find that an artificially pacemaker is to be grafted in him. It is likely that it will be grafted at the site of
question_answer169) A teacher was explaining about a constant physical contact involving almost equal physiological interdependence in two different thalloid forms. He was trying to explain
question_answer170) Even after killing the generative cell with a laser beam, the pollen grain of flowering plant germinates and produces normal pollen tube because
A)
laser beam stimulates pollen germination and pollen tube growth
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B)
the laser beam does not damage the region from which pollen tube emerges
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C)
the contents of killed generative cell permit germination and pollen tube growth