AIPMT 2011 Mains
Paper was held on Sun, May 15, 2011 10:00 AM
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Biology

Which one of the following aspects is in exclusive characteristics of living things?
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The pathogen Microsporum responsible for ringworm disease in humans belongs to the same kingdom of organisms as that of
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Selaginella and Salvinia are considered to represent a significant step toward evolution of seed habit because
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Consider the following four statements whether they are correct or wrong. A.   The sporophyte in liverwo
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Ureters act as urinogenital ducts in
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Consider the following four statements (A$$-$$D) related to the common frog Rana tigrina, and select the correct option
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Which one of the following statements is totally wrong about the occurrence of notochord, while the other three are corr
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Whorled, simple leaves with reticulate venation are present in
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Sweet potato is homologous to
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Which one of the following pairs is wrongly matched while the remaining three are correct?
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At metaphase, chromosomes are attached to the spindle fibres by their
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Guttation is the result of
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Which one of the following is not an essential mineral element for plants while the remaining three are?
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In kranz anatomy, the bundle sheath cells have
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In mitochondria, protons accumulate in the
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One of the constituents of the pancreatic juice which is poured into the duodenum in humans is
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Which one of the following correctly represents the normal adult human dental formula?
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Which one of the following is a possibility for most of us in regard to breathing, by making a conscious effort?
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Bulk of carbon dioxide (CO2) released from body tissues into the blood is present as
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Given below is the ECG of a normal human. Which one of its components is correctly interpreted below?
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Uricotelic mode of excreting nitrogenous wastes is found in
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The type of muscles present in our
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The 24 hour (diurnal) rhythm of our body such as the sleep-wake cycle is regulated by the hormone
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In angiosperms, functional megaspore develops into
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What is common between vegetative reproduction and apomixts?
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About which day in a normal human menstrual cycle does rapid secretion of LH (popularly called LH-surge) normally occurs
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What happens during fertilization in humans after many sperms reach close to the ovum?
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The technique called gamete intrafallopian transfer (GIFT) is recommended for those females :
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Which one of the following conditions of the zygotic cell would lead to the birth of a normal human female child ?
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Test cross in plants or in Drosophila involves crossing :
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The unequivocal proof of DNA as the genetic material came from the studies on a :
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Which one of the following options gives the correct matching of a disease with its causative organism and mode of infec
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Common cold is not cured by antibiotics because it is :
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Read the following statement having two blanks (A and B) : ''A drug used for ______ (A)___ patients is obtained from a s
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Which one of the following is a wrong matching of a microbe and its industrial product, while the remaining three are co
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Consider the following statements (A-D) about organic farming : (A) Utilizes genetically modified crops like Bt cotton
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Which one of the following techniques made it possible to genetically engineer living organisms ?
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Bacillus thuringiensis forms protein crystals which contain insecticidal protein. This protein :
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Silencing of mRNA has been used in producing transgenic plants resistant to :
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Read the following four statements (A-D) about certain mistakes in two of them : (A) The first transgenic buffalo, Rosie
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The logistic population growth is expressed by the equation :
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Which one of the following animals may occupy more than one trophic levels in the same ecosystem at the same time ?
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Both, hydrarch and xerarch successions lead to :
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The breakdown of detritus into smaller particles by earthworm is a process called
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Consider the following statements (A)-(D) each with one or two blanks : (A) Bears go into _____ (1) ____ during winter t
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Biodiversity of a geographical region represents :
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''Good ozone'' is found in the :
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Some vascular bundles are described as open because these :
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Function of companion cells is :
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Frogs differ from humans in possessing :
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The cells lining the blood vessels belongs to the category of :
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Which one of the following structure in pheretima is correctly matched with its function ?
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Which one of the following is not considered as a part of the endomembrane system ?
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The figure below shows the structure of a mitochondrion with its four parts labelled (A), (B), (C). and (D) Select the p
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Examine the figure given below and select the correct option giving all the four parts (A, B, C and D) rightly identifie
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Which one of the following figures represents the placentation in Dianthus?
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The figures (A – D) show four animals. Select the correct option with respect to a common characteristic of two of these
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Which one of the following is essential for photolysis of water?
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Chemistry

Which has the maximum number of molecules among the following ?
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According to the Bohr theory, which of the following transitions in the hydrogen atom will give rise to the least energe
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What is the value of electron gain enthalpy of Na+ if IE1 of Na = 5.1 eV?
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Which of the following structures is the most preferred and hence of lowest energy for SO3?
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A bubble of air is underwater at temperature 15oC and the pressure 1.5 bar. If the bubble rises to the surface where the
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Consider the following processes : .tg {border-collapse:collapse;border-spacing:0;border:none;} .tg td{font-family:Ari
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In qualitative analysis, the metals of group I can be separated from other ions by precipitating them as chloride salts.
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Which of the following compounds undergoes nucleophilic substitution reaction most easily?
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The IUPAC name of the following compound is
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Consider the reactions. The mechanisms of reactions (i) and (ii) are respectively
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Match List-I with List-II for the compositions of substances and select the correct answer using the code given above.
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Match the compounds given in List-I with List-II and select the suitable option using the code given below. .tg {bord
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An organic compound A on treatment with NH3 gives B, which on heating gives C. C when treated with Br2 in the presence o
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The order of reactivity of phenyl magnesium bromide (PhMgBr) with the following compounds:
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What of the following compounds is most basic?
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Which of the following is not a fat soluble vitamin?
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Which of the statements about ''Denaturation'' given below are correct? (1)  Denaturation of proteins causes
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A solid compound XY has NaCl structure. If the radius of the cation is 100 pm, the radius of the anion (Y$$-$$) will be
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200 mL of an aqueous solution of a protein contains its 1.26 g. The osmotic pressure of this solution at 300 K is found
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A 0.1 molal aqueous solution of a weak acid is 30% ionized. If Kf for water is 1.86oC/m, the freezing point of the solut
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A solution contains Fe2+, Fe3+ and I$$-$$ ions. This solution was treated with iodine at 35oC. Eo for Fe3+/Fe2+ is + 0.
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The rate of the reaction :   2N2O5 $$ \to $$ 4NO2 + O2 can be written in three ways. $${{ - d\left[ {{N_2}{O_
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The half-life of a substance in a certain enzyme-catalysed reaction is 138 s. The time required for the concentration of
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The unit of rate constant for a zero order reaction is
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Which of the following statements is incorrect?
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Which of the following oxide is amphoteric?
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The following reactions take place in the blast furnace in the preparation of impure iron. Identify the reaction pertain
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The pairs of species of oxygen and their magnetic behaviours are noted below. Which of the following presents the correc
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Which of the following carbonyls will have the strongest C–O bond ?
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Which of the following complex compounds will exhibit highest paramagnetic behaviour? (At. No. Ti = 22, Cr = 24, Co = 2
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Physics

The density of a material in CGS system of units is 4 g cm$$-$$3. In a system of units in which unit of length is 10 cm
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A particle covers half of its total distance with speed v1 and the rest half distance with speed v2. Its average speed d
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A projectile is fired at an angle of 45o with the horizontal. Elevation angle of the projectile at its highest point as
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A conveyor belt is moving at a constant speed of 2 ms$$-$$1. A box is gently dropped on it. The coefficient of friction
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A mass m moving horizontally (along the x-axis) with velocity $$v$$ collides and sticks to a mass of 3m moving verticall
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A small mass attached to a string rotates on a frictionless table top as shown. If the tension in the string is increase
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A particle of mass m is thrown upwards from the surface of the earth, with a velocity u. The mass and the radius of the
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A particle of mass M is situated at the centre of a spherical shell of same mass and radius a. The magnitude of the grav
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A mass of diatomic gas $$(\gamma = 1.4)$$ at a pressure of 2 atmospheres is compressed adiabatically so that its temper
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Two particles are oscillating along two close parallel straight lines side by side, with the same frequency and amplitud
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Two identical piano wires, kept under the same tension T have a fundamental frequency of 600 Hz. The fractional increase
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The electric potential V at any point (x, y, z), all in metres in space is given by V = 4x2 volt. The electric field at
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Three charges, each +q, are placed at the corners of an isosceles triangle ABC of sides BC and AC, 2$$a$$. D and E are t
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In the circuit shown in the figure, if the potential at point A is taken to be zero, the potential at point B is
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Charge q is uniformly spread on a thin ring of radius R. The ring rotates about its axis with a uniform frequency $$f$$
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A galvanometer of resistance, G, is shunted by a resistance S ohm. To keep the main current in the circuit unchanged, th
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A square loop, carrying a teady current $$I$$, is placed in a horizontal plane near a long straight conductor carrying a
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A short bar magnet of magnetic moment 0.4 J T$$-$$1 is placed in a uniform magnetic field of 0.16 T. The magnet is in st
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The r.m.s. value of potential difference V shown in the figure is
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A coil has resistance 30 ohm and inductive reactance 20 ohm at 50 Hz frequency. If an ac source, of 200 volt, 100 Hz, is
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A converging beam of rays is incident on a diverging lens. Having passed through the lens the rays intersect at a point
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A thin prism of angle 15o made of glass of refractive index $$\mu $$1 = 1.5 is combined with another prism of glass of r
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The threshold frequency for a photosensitive metal is 3.3 $$ \times $$ 1014 Hz. If light of frequency 8.2 $$ \times $$ 1
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An electron in the hydrogen atom jumps from excited state n to the ground state. The wavelength so emitted illuminates a
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Two radioactive nuclei P and Q, in a given sample decay into a stable nucleus R. At time t = 0. number of P species are
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Out of the following which one is not a possible energy for a photon to be emitted by hydrogen atom according to Bohr's
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A Zener diode, having breakdown voltage equal to 15 V, is used in a voltage regulator circuit shown in figure. The curre
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In the following figure, the diodes which are forward biased, are
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Pure Si at 500 K has equal number of electron (ne) and hole (nh) concentrations of 1.5 $$ \times $$ 1016 m$$-$$3. Doping
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A thermocouple of negligible resistance produces an e.m.f. of 40 µV/ºC in the linear range of temperature. A galvanomete
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