Solved papers for EAMCET Medical EAMCET Medical Solved Paper-2008
done EAMCET Medical Solved Paper-2008 Total Questions - 153
question_answer1) If power (P), surface tension (T) and Plancks constant (h) are arranged, so that the dimensions of time in their dimensional formulae are in ascending order, then which of the following is correct?
question_answer2) Three forces \[\overrightarrow{A}=(\widehat{i}+\widehat{j}+\widehat{k}),\] \[\overrightarrow{B}=(2\widehat{i}-\widehat{j}+3\widehat{k})\,and\,\overrightarrow{C}\]acting on a body to keep it in equilibrium. Then \[\overrightarrow{C}\] is
question_answer3) A block of mass m = 2 kg is pulled by a force F = 40 N upwards through a height h = 2 m. Find the work done on the block by the applied force F and its weight mg.(g = 10 m/s)
question_answer4) A man is walking due east at the rate of 2 km/h. The rain appears to him to come down vertically at the rate of 2 km/h. The actual velocity and direction of rainfall with the vertical respectively are
question_answer5) The object at rest suddenly explodes into three parts with the mass ratio 2:1:1. The parts of equal masses move at right angles to each other with equal speeds. The speed of the third part after the explosion will be
question_answer6) Two balls of same mass each m are moving with same velocities v on a smooth surface as shown in figure. If all collisions between the masses and with the wall are perfectly elastic, the possible number of collisions between the bodies and wall together is
question_answer7) A body of mass m strikes another body at rest of mass \[\frac{m}{9}\]. Assuming the impact to be inelastic the fraction of the initial kinetic energy transformed into heat during the contact is
question_answer8) A body of mass 10 kg is lying on a rough plane inclined at an angle of 30° to the horizontal and the coefficient of friction is 0.5. The minimum force required to pull the body up the plane is
question_answer9) Assertion (A) : A ball connected to a string is in circular motion on a frictionless horizontal table and is in equilibrium. Reason (R): Magnitude of the centripetal force is equal to the magnitude of the tension in the string. The correct answer is
A)
Both (A) and (R) are true and (R) is the correct explanation of .
doneclear
B)
Both (A) and (R) are true but (R) is not the correct explanation of .
question_answer10) Circular disc of mass 2 kg and radius 1 m is rotating about an axis perpendicular to its plane and passing through its centre of mass with a rotational kinetic energy of 8 J. The angular momentum in (J-s) is
question_answer13) When a wire is subjected to a force along its length, its length increases by 0.4% and its radius decreases by 0.2%. Then the Poissons ratio of the material of the wire is
question_answer14) A capillary tube is taken from the earth to the surface of the moon. The rise of the liquid column on the moon (acceleration due to gravity on the earth is 6 times that of the moon)is
question_answer16) A two litre glass flask contains some mercury. It is found that at all temperatures the volume of the air inside the flask remains the same. The volume of the mercury inside the flask is (\[\alpha \] for glass \[=9\times {{10}^{-6}}/C,\gamma \] for mercury\[=\text{ }1.8\times {{10}^{-4}}/{}^\circ C\])
question_answer17) A lead bullet, of initial temperature 27°C and speed v km/h penetrates into a solid object and melts. If 50% of the kinetic energy is used to heat it, the value of v in km/h is (for lead melting point = 600 K, latent heat of fusion \[=2.5\times 104\text{ }J\text{ }k{{g}^{-1}};\] specific heat\[=125J\text{ }k{{g}^{-1}}{{K}^{-1}}\])
question_answer18) One mole of an ideal gas undergoes an isothermal change at temperature T, so that its volume V is doubled, R is the molar gas constant. Work done by the gas during this change is
question_answer19) 10 g of water at \[70{}^\circ C\] is mixed with 5 g of water at \[30{}^\circ C\]. Find the temperature of the mixture in equilibrium.
question_answer20) A body cools from \[70{}^\circ C\] to \[50{}^\circ C\] in 5 min. Temperature of surroundings is \[20{}^\circ C\]. Its temperature after next 10 min is
question_answer21) The frequencies of three tuning forks A, B and C have a relation \[{{n}_{A}}>{{n}_{B}}>{{n}_{C,}}\]When the forks A and B are sounded together the number of beats produced is n1. When A and C are sounded together the number of beats produced is n2, then the number of beats produced when B and C are sounded together is
question_answer22) Two strings of the same material and the same area of cross-section are used in sonometer experiment. One is loaded with 12 kg and the other with 3 kg. The fundamental frequency of the first string is equal to the first overtone of the second string. If the length of the second string is 100 cm, then the length of the first string is
question_answer23) Wave theory cannot explain the phenomena of Polarization Diffraction Compton effect Photoelectric effect Which of the following is correct?
question_answer26) In Youngs double slit experiment using two identical slits, the intensity at a bright fringe on the screen is I. If one of the slits is now closed, the intensity of the same bright fringe on the screen will be
question_answer27) Two bar magnets are placed in a vibration magnetometer and allowed to vibrate. They make 15 oscillations/min when their similar poles are on the same side, while they make 20 oscillations/min when their opposite poles lie on the same side. The ratio of their magnetic moments is
question_answer28) A short bar magnet placed at a certain distance from a deflection magnetometer in tan A position produces a deflection of \[60{}^\circ \]. The magnet is now cut into three equal pieces. If one piece is kept at the same distance in tan A position from the deflection magnetometer, then the deflection produced is
question_answer30) A charge q is placed at the mid-point of the line joining two equal charges of Q. If the whole system is in equilibrium, then the value of q is
question_answer31) I and V are respectively the current and voltage in a metal wire of resistance R. Two I-V graphs at two different temperatures T1 and T2 are given in the graph. Then,
question_answer32) A projector lamp can be used at a maximum voltage of 60 V, its resistance is 20\[\Omega \], the series resistance (in ohms) required to operate the lamp from a 75 V supply is
question_answer33) A heater coil working on mains produces 100 cal of heat in a certain time. Now the heater coil is cut into three equal parts and one part is only used for heating. The quantity of heat produced (in calories) in the same time is
question_answer34) A circular coil of wire of radius r has N turns and carries a current I. The magnetic induction at a point on the axis of the coil at a distance \[\sqrt{3}\]r from its centre is
question_answer35) The north pole of a bar magnet is moved towards a coil along the axis passing through the centre of the coil and perpendicular to the plane of the coil. The direction of the induced current in the coil when viewed in the direction of the motion of the magnet is
question_answer36) A transformer has 1500 turns in the primary coil and 1125 turns in the secondary coil. If the voltage in the primary coil is 200 V, then the voltage in the secondary coil is
question_answer37) An oil drop having a charge was kept between two plates having a potential difference of 400 V is in equilibrium. Now another drop of same oil with same charge but double the radius is introduced between the plates. Then the potential difference necessary to keep the drop in equilibrium is
question_answer38) The threshold frequency for a certain metal is \[{{v}_{0}}.\]When a certain radiation of frequency \[2{{v}_{0}}\] is incident on this metal surface the maximum velocity of the photoelectrons emitted \[2\times {{10}^{6}}m{{s}^{-1}}.\]If a radiation of frequency \[3{{v}_{0}}\] is incident on the same metal surface the maximum velocity of the photoelectrons emitted (in\[m{{s}^{-1}}\]) is
question_answer41) The wavelength (in\[\,\overset{\text{o}}{\mathop{\text{A}}}\,\]) of an emission line obtained for \[\text{L}{{\text{i}}^{2+}}\]during an electronic transition from \[{{n}_{2}}=2\] to \[{{n}_{1}}=1\] is (R = Rydberg constant)
question_answer43) \[a\xrightarrow{-\beta poarticle}B\xrightarrow{-\alpha paritcle}C\xrightarrow{-\beta \,particle}D\] In the above conversion, which one of the following is not true?
question_answer44) The elements X,V and Z form oxides which are acidic, basic and amphoteric respectively. The correct order of their electronegativity is
question_answer46) The correct order of dipole moments for \[\text{N}{{\text{H}}_{\text{3}}}\text{,}{{\text{H}}_{\text{2}}}\text{O}\] and \[\text{C}{{\text{O}}_{2}}\] molecules is
question_answer47) 40 g of a sample of carbon on combustion left 10% of it unreacted. The volume of oxygen required at STP for this combustion reaction is
question_answer48) In a flask of V litres, 0.2 moles of \[{{\text{O}}_{\text{2}}}\text{,0}\text{.4}\]moles of \[{{\text{N}}_{2}},\,0.1\]moles of \[\text{N}{{\text{H}}_{\text{3}}}\] and 0.3 moles of He gases are present at \[\text{27}{{\,}^{\text{o}}}\text{C}\text{.}\]If total pressure exerted by these non-reacting gases is 1 atm, the partial pressure exerted by \[{{\text{N}}_{2}}\]gas is
question_answer50) When 0.1 mole of an acid is added to 2 L of a buffer solution, the pH of the buffer decreases by 0.5. The buffer capacity of the solution is
question_answer51) Identify Bronsted-Lowry acids in the reaction given. \[\underset{(A)}{\mathop{{{[Al{{({{H}_{2}}O)}_{2}}]}^{3+}}}}\,+\underset{(B)}{\mathop{HCO_{3}^{-}}}\,\underset{(C)}{\mathop{{{[Al{{({{H}_{2}}O)}_{5}}(O{{H}^{-}})]}^{2+}}}}\,\] \[\underset{(D)}{\mathop{+{{H}_{2}}C{{O}_{3}}}}\,\] The correct answer is
question_answer52) The cell potential of the following cell at \[\text{25}{{\,}^{\text{o}}}\text{C}\] (in volts) is \[\underset{(1\,atm)}{\mathop{(pt){{H}_{2}}}}\,\left| \underset{(0.01M)}{\mathop{{{H}^{+}}}}\, \right|\left| \underset{0.1\,M}{\mathop{C{{u}^{2+}}}}\, \right|Cu\] \[(E_{C{{u}^{2+}}|Cu}^{o}=0.337\,V)\]
question_answer54) AB is an ionic solid. If the ratio of ionic radii of \[{{\text{A}}^{\text{+}}}\] and \[{{\text{B}}^{-}}\] is 0.52, what is the coordination number of \[{{\text{B}}^{-}}\]?
question_answer55) The rate constant of a first order reaction is \[0.0693\,{{\min }^{-1}}.\] What is the time (in minutes) required for reducing an initial concentration of \[\text{20}\,\text{mol}\,{{\text{L}}^{-1}}\] to\[\text{2}\text{.5}\,\text{mol}\,{{\text{L}}^{-1}}\]?
question_answer56) \[\text{A(g)}\xrightarrow{{}}\text{B(g)}\]is a first order reaction. The initial concentration of A is \[\text{0}\text{.2}\,\text{mol}\,{{\text{L}}^{-1}}.\]After 10 min, the concentration of B is found to be \[\text{0}\text{.18}\,\text{mol}\,{{\text{L}}^{-1}}.\] The rate constant \[(in\,mi{{n}^{-1}})\] for the reaction is
question_answer57) \[\text{100}\,\text{c}{{\text{m}}^{\text{3}}}\]of \[\text{0}\text{.1 M HCl}\] and \[\text{100}\,\text{c}{{\text{m}}^{\text{3}}}\] of 0.1 M \[\text{NaOH}\] solutions are mixed in a calorimeter. If the heat liberated is "Q" kcal, the heat of neutralisation \[\text{( }\!\!\Delta\!\!\text{ H)}\] (in kcal) of \[\text{HCl(aq)}\] and \[\text{NaOH(aq)}\] is
question_answer59) If 11.1 mg of \[CaC{{l}_{2}}\]and 12 mg of \[\text{MgS}{{\text{O}}_{\text{4}}}\]are present in 2 L of water, what is its hardness (in gram\[\text{CaC}{{\text{O}}_{3}}/ppm\]) ?
question_answer61) A mixture of boron trichloride and hydrogen is subjected to silent electric discharge to form A and \[\text{HCl}\text{.}\]A is mixed with \[\text{N}{{\text{H}}_{\text{3}}}\]and heated to \[\text{200}{{\,}^{\text{o}}}\text{C}\] to form B. The formula of B is
question_answer62) Hydrolysis of \[\text{SiC}{{\text{l}}_{4}}\] gives compound X and \[\text{HCl}\text{.}\] On heating to \[\text{1000}{{\,}^{\text{o}}}\text{C,}\] X loses water and forms Y. Identify X and Y, respectively
A)
\[\text{Si}{{\text{O}}_{2}}\]and Si
doneclear
B)
\[{{\text{H}}_{\text{4}}}\text{Si}{{\text{O}}_{\text{4}}}\] and \[\text{Si}{{\text{O}}_{\text{2}}}\]
doneclear
C)
\[\text{Si}{{\text{O}}_{\text{2}}}\] and \[\text{SiC}\]
doneclear
D)
\[{{\text{H}}_{\text{4}}}\text{Si}{{\text{O}}_{\text{4}}}\] and \[\text{SiC}\]
question_answer63) The number of P?O bonds and lone pair of electrons present in \[{{\text{P}}_{\text{4}}}{{\text{O}}_{\text{6}}}\] molecule are, respectively
question_answer66) Which of the following statements about noble gases are correct? (i) \[\text{Xe}{{\text{O}}_{\text{3}}}\] is an explosive tetrahedral molecule. (ii) In Fisher Ringes method, a mixture of \[\text{CaC}{{\text{l}}_{\text{2}}}\] and \[\text{Ca}{{\text{C}}_{\text{2}}}\] is used to remove \[{{\text{N}}_{\text{2}}}\] and \[{{\text{O}}_{2}}.\] (iii) He and Ne are chemically inert due to lack of d-orbitals and high ionization potential. (iv) At 173 K He and Ne are adsorbed on activated charcoal. The correct answer is
question_answer68) 5 L aqueous solution is kept in the presence of oxygen and suitable micro-organism for five days at \[\text{20}{{\,}^{\text{o}}}\text{C}\text{.}\] If the \[{{\text{O}}_{2}}\] consumed is 0.2 g, the BOD value of the sample is
question_answer69) Which one of the following graphs represent the correct order of boiling points (b. p.) of ethane (1), ethyl alcohol (2) and acetic acid (3)?
question_answer71) Identify C in the following reaction\[{{C}_{2}}{{H}_{2}}\xrightarrow[acid]{Chromic}A\xrightarrow{N{{H}_{3}}}B\xrightarrow[-{{H}_{2}}O]{\Delta }C\]
question_answer75) Assertion (A) : In many gastropods, the anus and the mantle cavity are placed ante riorly above the head. Reason (R): During embryonic development in many gastropods one side of the visceral mass grows faster than the other side. This uneven growth rotates the visceral organs upto \[180{}^\circ \] in many gastropods. The correct answer is
question_answer81) Certain stages of Plasmodium vivax maysurvive or a long period in the liver of man as dormant stages and on reactivation enter in to one of the following cycles
question_answer86) Assertion (A) : Arthropoda are the most successful of all the known animal groups. Reason (R): Arthropoda exhibits the greatestadaptive radiation and have adapted todiverse habitats.
question_answer87) Assertion (A) : Super position images are formed in the nocturnal insects. Reason (R): The retinulae lie immediately below the vitrellae and crystalline cone, these are surrounded by retinal sheath, which absorb the light rays hence, and super position images are formed in nocturnal insects. The correct answer is
question_answer105) In guinea pigs black short hair (BBSS) is dominant over white long hair (bbss). During a dihybrid cross, the F2 generation individuals with genotypes, BBSS, BbSS, BBSs and BbSs are in the ratio of
question_answer110) "A brief reduction in size of a population due to natural calamities usually leads to random genetic drift." For this statement, identify the correct example from the following
False whorl like in florescene Single flower like Fruit- like infl- orescene
Many sessile bisexual flowers Many stalked staminate and pistillate flowers Many sessile staminate flowers on the top and pistillate flowers at the base and sterile flowers in between
question_answer121) In the flowers of a plant, the ovarian part is fused, but styles and stigmas are free. Its ovary becomes unilocular due to breakdown of partition wall and the ovules are attached to a central axis. Identify the plant.
question_answer125) In a DNA segment having six coils, there are 22 nitrogen base pairs linked by two hydrogen bonds. How many cytosine bases are found in that segment
question_answer126) G H Shull observed inbreeding depression in a plant. Miller and Letham isolated a hormone from the immature seeds of that plant. Which of the following character is not associated with that plant?
question_answer128) The tracheophyte characterized by habitual heterophylly, absence of companion cells in phloem and presence of vessels in the xylem is
question_answer132) Assertion (A) : The life cycle in Funaria is called diplohaplontic. Reason (R) : In Funaria, there is alternation of haploid gametophytic and diploid sporophytic phases, one becoming parent to the other. The correct answer is
A)
Both (A) and (R) are true and (R) is the correct explanation of
doneclear
B)
Both (A) and (R) are true but (R) is not the correct explanation of
question_answer141) Assertion (A) : Citrullus vulgaris is produced from a cross between 4n male and 2n female plants. Reason (R) : These triploid sterile plants do not bear seeds. The correct answer is
A)
Both (A) and (R) are true and (R) is the correct explanation of
doneclear
B)
Both (A) and (R) are true, but (R) is not the correct explanation of
question_answer142) Study the following table showing the components of water potential in closely arranged mesophyll cells namely A, B and C.
Cell
Osmotic potential (MPs)
Osmotic potential (MPa)
A
-0.21
0.05
B
-0.22
0.02
C
-0.23
0.05
Identify two of the following which show correct direction of water movement between two cells. i. \[~A\to B\] ii. \[B\to C\] iii.\[~C\to A\] iv. \[C\to B\] The correct pair is
question_answer144) Assertion (A) : Salt resistant plants survive in saline habitats by maintaining low internal \[N{{a}^{+}}\]levels. Reason (R): Salt resistant plants getrid off excess \[N{{a}^{+}}\] by ATP energized antiporter. The correct answer is
A)
Both (A) and (R) are true and (R) is the correct explanation of
doneclear
B)
Both (A) and (R) are true, but (R) is not the correct explanation of
question_answer150) Identify the plants in correct sequence, which exhibit marcescent calyx, herkogamy, mucilagenous cavities and inferior ovary respectively.
question_answer151) In an inflorescence, two types of small, sessile flowers were observed. They are arranged in centripetal manner and have reduced hair like sepals. Which pair of the following characters are not associated with such flowers?