Biology
1. Bacterial leaf blight of rice is caused by a species 2. Thermococcus, Methanococcus and Methanobacterium exemplify 3. In the light of recent classification of living organisms into three domains of life (bacteria, archaea and eukarya), wh 4. Select one of the following pairs of important features distinguishing Gnetum from Cycas and Pinus and showing affinitie 5. In which one of the following male and female gametophytes do not have free living independent existance? 6. Which one of the following is heterosporous? 7. Which one of the following in birds, indicates their reptilian ancestry? 8. Which one of the following groups of three animals each is correctly matched with their one characteristic morphological 9. Ascaris is characterized by 10. Which one of the following pairs of items correctly belongs to the category of organs mentioned against it? 11. Which one of the following is not a characteristic of Phylum Annelida? 12. Which one of the following phyla is correctly matched with its two general characteristics? 13. Replum is present in the ovary of flower of 14. The fleshy receptacle of syconus of fig encloses a number of 15. Endosperm is consumed by developing embryo in the sead of 16. The fruit is chambered, developed from inferior ovary and has seeds with succulent testa in 17. Dry indehiscent single-seeded fruit formed from bicarpellary syncarpous inferior ovary is 18. Carbohydrates are commonly found as starch in plants storage organs. Which of the following five properties of starch (1 19. Cellulose is the major component of cell walls of 20. A competitive inhibitor of succinic dehydrogenase is 21. Modern detergents contain enzyme preparations of 22. The rupture and fractionation do not usually occur in the water column in vessel/tracheids during the ascent of sap beca 23. Electrons from excited chlorophyll molecule of photosystem II are accepted first by 24. In leaves of C4 plants malic acid synthesis during CO2 fixation occurs in 25. The C4 plants are photosynthetically more efficient than C3 plants because 26. The energy-releasing metabolic process in which substrate is oxidised without an external electron acceptor is called 27. The chemiosmotic coupling hypothesis of oxidative phosphorylation proposes that adenosine triphosphate (ATP) is formed b 28. Importance of day length in flowering of plants was first shown in 29. Senescence as an active developmental cellular process in growth and functioning of a flowering plant, is indicated in 30. Which one of the following is the correct matching of the site of action on the given substrate, the enzyme acting upon 31. What will happen if the secretion of parietal cells of gastric glands is blocked with an inhibitor? 32. In humans, blood passes from the post caval to the diastolic right atrium of heart due to 33. The most active phagocytic white blood cells are 34. Which type of white blood cells are connected with the release of histamine and the natural anticoagulant heparin? 35. Cornea transplant in humans is almost never rejected. This is because 36. Which one of the following is the correct difference between rod cells and cone cells of our retina? 37. During the propagation of a nerve impulse, the action potential results from the movement of 38. Which one of the following pair of organs includes only the endocrine glands? 39. The blood calcium level is lowered by the deficiency of 40. Which one of the following is resistant to enzyme action? 41. What does the filiform apparatus do at the entrance into ovule? 42. Which one of the following pairs of plant structures has haploid number of chromosomes ? 43. Unisexuality of flowers prevents 44. In humans, at the end of the first meiotic
division, the male germ cells differentiate into
the: 45. In human adult females oxytocin: 46. Which one of the following statements is
incorrect about menstruation? 47. Which extraembryonic membrane in humans
prevents desiccation of the embryo inside the
uterus? 48. Consider the statements given below regarding
contraception and answer as directed thereafter:
(i) Medical Termination 49. Given below are four methods (A-D) and their
modes of action (1-4) in achieving
contraception. Select their correct matc 50. Which one of the following conditions in
humans is correctly matched with its
chromosomal abnormality/linkage? 51. In the DNA molecule: 52. Which one of the following pairs of nitrogenous
bases of nucleic acids, is wrongly matched with
the category mentioned a 53. Which one of the following pairs of codons is
correctly matched with their function or the
signal for the particular ami 54. Polysome is formed by 55. Darwin's finches are a good example of – 56. Thorn of Bougainvillea and tendril of Cucurbita
are examples of: 57. Which one of the following is incorrect about
the characteristics of protobionts (coacervates
and microspheres) as envis 58. Which one of the following scientist's name is
correctly matched with the theory put fourth by
him? 59. Match the disease in Column I with the
appropriate items (pathogen/ prevention/
treatment) in Column II.
.tg {border-c 60. Which one of the following is the correct
statement regarding the particular psychotropic
drug specified ? 61. Haploids are more suitable for mutation studies
than the diploids. This is because: 62. Which one of the following is linked to the
discovery of Bordeaux mixture as a popular
fungicide ? 63. Consider the following four measures (1-4) that
could be taken to successfully grow chickpea in
an area where bacterial 64. Trichoderma harzianum has proved a useful
microorganism for: 65. Nitrogen fixation in root nodules of Alnus is
brought about by: 66. Which one of the following proved effective for
biological control of nematodal disese in plants? 67. Gel electrophoresis is used for: 68. The linking of antibiotic resistance gene with
the plasmid vector became possible with: 69. Main objective of production/use of herbicide
resistant GM crops is to: 70. Cry I endotoxins obtained from Bacillus
thuringiensis are effective against: 71. Human insulin is being commercially produced
from a transgenic species of: 72. Consider the following four statements (1-4) about
certain desert animals such as kangaroo-rat.
(i) They have dark colo 73. Quercus species are the dominant component in: 74. About 70% of total global carbon is found in: 75. Consider the following statements concerning
food chains:
(i) Removal of 80% tigers from an area resulted
in greatly in 76. The slow rate of decomposition of fallen logs in
nature is due to their: 77. The table below gives the populations
(in thousands) of ten species (A-J) in four areas
(a-d) consisting of the number o 78. Which one of the following is not observed in
biodiversity hotspots ? 79. World Summit on Sustainable Development
(2002) was held in: 80. A lake near a village suffered heavy mortality of
fishes within a few days. Consider the following
reasons for this?
(i 81. According to Central Pollution Control Board
(CPCB), which particulate size in diameter (in
micrometers) of the air poll 82. Which one of the following is the correct
percentage of the two (out of the total of 4)
greenhouse gases that contribute 83. The length of different internodes in a culm of
sugarcane is variable because of: 84. Vascular tissues in flowering plants develop
from: 85. Earthworms have no skeleton but during
burrowing the anterior end becomes turgid and
acts as a hydraulic skeleton. It is 86. Which one of the following is the true
description about an animal concerned? 87. Vacuole in a plant cell: 88. The two sub-units of ribosome remain united at a
critical ion level of : 89. In germinating seeds fatty acids are degraded
exclusively in the: 90. Keeping in view the "fluid mosaic model" for
the structure of cell membrane, which one of the
following statements is co 91. Given below is a diagrammatic cross section
of a single loop of human cochlea.
Which one of the following options corre 92. A transgenic food crop which may help in
solving the problem of night blindness in
developing countries is
Chemistry
1. How many moles of lead (II) chloride will be formed from a reaction between 6.5 g of PbO and 3.2 g HCl ? 2. An organic compound contains carbon, hydrogen and oxygen. Its elemental analysis gave C, 38.71% and H, 9.67%. The empiri 3. What volume of oxygen gas (O2) measuread at 0oC and 1 atm, is needed to burn completely 1 L of propane gas (C3H8) measu 4. The measurement of the electron position is associated with an uncertainty in momentum, which is equal to 1 $$ \times $$ 5. If uncertainty in position and momentum are equal, then uncertainty in velocity is 6. Which one of the following arrangements does not give the correct picture of the trends indicated against it ? 7. Four diatomic species are listed below. Identify the correct order in which the bond order is increasing in them 8. The correct order of increasing bond angles in the following triatomic species is 9. If a gas expands at constant temperature, it indicates that 10. Volume occupied by one molecule of water (density = 1 g cm$$-$$3) is 11. Which of the following are not state functions ?
(I) q + w (II) q
(III) w&n 12. Bond dissociation enthalpy of H2, Cl2 and HCl are 434, 242 and 431 kJ mol$$-$$1 respectively. Enthalpy of formation of H 13. For the gas phase reaction,
PCl5(g) $$\rightleftharpoons$$ PCl3(g) + Cl2(g)
which of the following condition 14. The dissociation equilibrium of a gass AB2 can be represented as :
2AB2(g) $$\rightleftharpoons$$ 2AB(g) + B2(g)
The d 15. If the concentration of OH$$-$$ ions in the reaction
Fe(OH)3(s) $$\rightleftharpoons$$ Fe3+(aq) + 3OH$$-$$(aq)
is decr 16. The value of equilibrium constant of the reaction
HI(g) $$\rightleftharpoons$$ $${1 \over 2}$$H2(g) + $${1 \over 2}$$I2 17. The values of for the reactions,
X $$\rightleftharpoons$$ Y + Z . . . .(i)
A $$\r 18. Equal volumes of three acid solutions of pH 3, 4 and 5 are mixed in a vessel. What will be the H+ ion concentration in t 19. Base strength of
is in the order of 20. Which one of the following is most reactive towards electrophilic attack? 21. The stability of carbanions in the following.
is in the order of 22.
A (predominantly) is 23. In the hydrocarbon,
The state of hybridization of carbons 1, 3 and 5 are in the following sequence 24. How many stereoisomers does this molecule have?
CH3CH$$=$$CHCH2CHBrCH3 25. In a SN2 substitution reaction of the type
R $$-$$ Br + Cl$$-$$ $$\buildrel {DMF} \over
\longrightarrow $$ R$$-$$Cl + 26. Number of moles of MnO$$_4^{ - }$$ required to oxidize one mole of ferrous oxalate completely in acidic medium will be 27. Equimolar solutions of the following were prepared in water separately. Which one of the solutions will record the highe 28. The alkali metals form salt-like hydrides by the direct synthesis at elevated temperature. The thermal stability of thes 29. The sequence of ionic mobility in aqueous solution is 30. A strong base can abstract an $$\alpha $$-hydrogen from 31. The relative reactivities of acyl compounds towards nucleophilic substitution are in the order of 32. Acetophenone when reacted with a base, C2H5ONa, yields a stable compound which has the structure 33. In a reaction of aniline a coloured product C was obtained.
The structure of C would be 34. In DNA, the complimentary bases are 35. Which of the following is an amine hormone? 36. Which one of the following statements is not true? 37. With which one of the following elements silicon should be doped so as to give p-type of semiconductor? 38. If $$a$$ stands for the edge length of the cubic systems: simple cubic, body centred cubic and face centred cubic, then 39. Which of the following statements is not correct? 40. Percentage of free space in a body centred cubic unit cell is 41. On the basis of the following Eo values, the strongest oxidizing agent is
[Fe(CN)6]4$$-$$ $$ \to $$ [Fe(CN)6]3$$-$$ + e 42. Kohlrausch's law states that at 43. Standard free energies of formation (in kJ/mol) at 298 K are $$-$$237.2, $$-$$ 394.4 and $$-$$8.2 for H2O(l), CO2(g) and 44. The rate constants k1 and k2 for two different reactions are 1016 $$ \cdot $$ e$$-$$2000/T and 1015 $$ \cdot $$ e$$-$$ 45. The bromination of acetone that occurs in acid solution is represented by this equation.
CH3COCH3(aq) + Br2(aq) &n 46. The angular shape of ozone molecule (O3) consists of 47. The correct order of decreasing second ionisation enthalpy of Ti(22), V(23), Cr(24) and Mn(25) is 48. Which of the following complexes exhibits the highest paramagnetic behaviour?
where gly = glycine, en = ethylenediamin 49. In which of the following coordination entities the magnitude of $$\Delta $$o (CFSE in octahedral field) will be maximum 50. Green chemistry means such reactions which
Physics
1. If the error in the measurement of radius of a sphere is 2%, then the error in the determination of volume of the sphere 2. Which two of the following five physical parameters have the same dimensions ?
1. Energy density
2. &nb 3. A particle moves in a straight line with a constant acceleration. It changes its velocity from 10 ms$$-$$1 to 20 ms$$-$$ 4. The distance travelled by a particle starting from rest and moving with an acceleration $${4 \over 3}$$m s$$-$$2, in th 5. A particle of mass m is projected with velocity v making an angle of 45o with the horizontal. When the particle lands on 6. A particle shows distance - time curve as given in this figure. The maximum instaneous velocity of the particle is aroun 7. A roller coaster is designed such that riders experience ''weightlessness'' as they go round the top of a hill whose ra 8. Sand is being dropped on a conveyer belt at the rate of M kg/s. The force necessary to keep the belt moving with a cons 9.
Three forces acting on a body are shown in the figure. To have the resultant force only along the y-direction, the mag 10. Water falls from a height of 60 m at the rate of 15 kg/s to operate a turbine. The losses due to frictional forces are 1 11. A shell of mass 200 gm is ejected from a gun of mass 4 kg by an explosion that generates 1.05 kJ of energy. The initial 12. A thin rod of length L and mass M is bent at its midpoint into two halves so that the angle between them is 90o. The mo 13. The ratio of the radii of gyration of a circular disc to that of a circular ring, each of same mass and radius, around t 14. On a new scale of temperature (which is linear) and called the W scale, the freezing and boiling points of water are 39o 15. At 10oC the value of the density of a fixed mass of an ideal gas divided by it pressure is x. At 110oC this ratio is 16. If Q, E and W denote respectively the heat added, change in internal energy and the work done in a closed cyclic process 17. Two simple harmonic motions of angular frequency 100 and 1000 rad s$$-$$1 have the same displacement amplitude. The rati 18. A point performs simple harmonic oscillation of period T and the equation of motion is given by x = a sin($$\omega $$t + 19. Two periodic waves of intensities $$I$$1 and $$I$$2 pass through a region at the same time in the same direction. The su 20. The wave described by y = 0.25 sin(10$$\pi $$x $$-$$ 2$$\pi $$t), where x and y are in metres and t in seconds, is a wav 21. A parallel plate capacitor has a uniform electric field E in the space between the plates. If the distance between the p 22. A thin conducting ring of radius R is given a charge +Q. The electric field at the centre O of the ring due to the charg 23. The electric potential at a point in free space due to charge Q coulomb is Q $$ \times $$ 1011 volts. The electric field 24.
In the circuit shown, the current through the 4 $$\Omega $$ resistor is 1 amp when the points P and M are connected to 25. A wire of a certain material is stretched slowly by ten percent. Its new resistance and specific resistance become respe 26. An electric kettle takes 4 A current at 220 V. How much time will it take to boil 1 kg of water from temperature 20oC ? 27. A current of 3 amp. flows through the 2 $$\Omega $$ resistor shown in the circuit. The power dissipated in the 5 $$\Omeg 28. A cell can be balanced against 110 cm and 100 cm of potentiometer wire, respectively with and without being short circui 29. A particle of mass m, charge Q and kinetic energy T enters a transverse uniform magnetic field of induction $$\overright 30. A closed loop PQRS carrying a current is placed in a uniform magnetic field. If the magnetic forces on segments PS, SR a 31. A galvanometer of resistance 50 $$\Omega $$ is connected to a battery of 3 V along with a resistance of 2950 $$\Omega $$ 32. Curie temperature above which 33. A long solenoid has 500 turns. When a current of 2 ampere is passed through it, the resulting magnetic flux linked with 34. In an a.c. circuit the e.m.f. ($$\varepsilon $$) and the current
(i) at any instant are given respectively b 35. A circular disc of radius 0.2 meter is placed in a uniform magnetic field of induction $${1 \over \pi }\left( {{{Wb} \ov 36. The velocity of electromagnetic radiation in a medium of permittivity $$\varepsilon $$0 and permeability $$\mu $$0 is gi 37. Two thin lenses of focal lengths f1 and f2 are in contact and coaxial. The power of the combination is 38. A boy is trying to start a fire by focusing sunlight on a piece of paper using an equiconvex lens of focal length 10 cm. 39. A particle of mass 1 mg has the same wavelength as an electron moving with a velocity of 3 $$ \times $$ 106 m s$$-$$1. T 40. The work function of a surface of a photosensitive material is 6.2 eV. The wavelength of the incident radiation for whic 41. In the phenomenon of electric discharge through gases at low pressure, the coloured glow in the tube appears as a result 42. If M(A; Z), Mp and Mn denote the masses of the nucleus $${}_Z^AX,$$ proton and neutron respectively in units of u (1 u = 43. Two nuclei have their mass numbers in the ratio of 1 : 3. The ratio of their nuclear densities would be 44. The ground state energy of hydrogen atom is $$-$$ 13.6 eV. When its electron is in the first excited state, its excitati 45. Two radioactive materials X1 and X2 have decay constants $$5\lambda $$ and $$\lambda $$ respectively. If initially they 46. A p-n photodiode is made of a material with a band gap of 2.0 eV. The minimum frequency of the radiation that can be abs 47. The voltage gain of an amplifier with 9% negative feedback is 10. The voltage gain without feedback will be 48. If the lattice parameter for a crystalline structure is 3.6 $$\mathop A\limits^ \circ $$, then the atomic radius in fcc
1
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Volume occupied by one molecule of water (density = 1 g cm$$-$$3) is
A
3.0 $$ \times $$ 10$$-$$23 cm3
B
5.5 $$ \times $$ 10$$-$$23 cm3
C
9.0 $$ \times $$ 10$$-$$23 cm3
D
6.023 $$ \times $$ 10$$-$$23 cm3
2
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Which of the following are not state functions ?
(I) q + w (II) q
(III) w (IV) H $$-$$ TS
(I) q + w (II) q
(III) w (IV) H $$-$$ TS
A
(I), (II) and (III)
B
(II) and (III)
C
(I) and (IV)
D
(II), (III) and (IV)
3
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Bond dissociation enthalpy of H2, Cl2 and HCl are 434, 242 and 431 kJ mol$$-$$1 respectively. Enthalpy of formation of HCl is
A
$$-$$ 93 kJ mol$$-$$1
B
245 kJ mol$$-$$1
C
93 kJ mol$$-$$1
D
$$-$$ 245 kJ mol$$-$$1
4
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
For the gas phase reaction,
PCl5(g) $$\rightleftharpoons$$ PCl3(g) + Cl2(g)
which of the following conditions are correct ?
PCl5(g) $$\rightleftharpoons$$ PCl3(g) + Cl2(g)
which of the following conditions are correct ?
A
$$\Delta $$H < 0 and $$\Delta $$S < 0
B
$$\Delta $$H > 0 and $$\Delta $$S < 0
C
$$\Delta $$H = 0 and $$\Delta $$S < 0
D
$$\Delta $$H > 0 and $$\Delta $$S > 0
Paper analysis
Total Questions
Biology
92
Chemistry
50
Physics
48
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