Biology
1. In ornithine cycle, which of the following wastes are removed from the blood? 2. As compared to a C3-plant, how many additional molecules of ATP are needed for net production of one molecule of hexose 3. Photosynthetic Active Radiation (PAR) has the following range of wavelengths. 4. The ability of the Venus Flytrap to capture insects is due to 5. During which stage in the complete oxidation of glucose are the greatest number of ATP molecules formed from ADP? 6. An acromian process is characteristically found in the 7. The net pressure gradient that causes the fluid to filter out of the glomeruli into the capsule is 8. A person is undergoing prolonged fasting. His urine will be found to contain abnormal quantities of 9. Which of the following pairs is correctly matched? 10. In a man, abducens nerve is injured. Which one of the following functions will be affected? 11. Parkinson's disease (characterized by tremors and progressive rigidity of limbs) is caused by degeneration of brain neur 12. Which one of the following is the example of the action of the autonomous nervous system? 13. Which one of the following represents an ovule, where the embryo sac becomes horse-shoe shaped and the funiculus and mic 14. In a type of apomixis known as advice embryony, embryos develop directly from the 15. Through which cell of the embryo sac, does the pollen tube enter the embryo sac? 16. Grey crescent is the area - 17. If mammalian ovum fails to get fertilized, which
one of the following is unlikely 18. Haemophilia is more commonly seen in human
males than in human females because - 19. A women with 47 chromosomes due to three
copies of chromosome 21 is characterized by - 20. Which of the following unicellular organisms has a macronucleus for trophic function and one or more micronuclei for re 21. Basophilic prokaryotes 22. There exists a close association between the alga and the fungus within a lichen. The fungus 23. All of the following statements concerning the actinomycetous filamentous soil bacterium Frankia are correct except that 24. For retting of jute the fermenting microbe used is 25. Auxospores and hormogonia are formed, respectively, by 26. Match items in column $${\rm I}$$ with those in column $${\rm I}$$$${\rm I}$$.
.tg {border-collapse:collapse;border-sp 27. Ectophloic siphonostele is found in 28. Top-shaped multiciliate male gametes and the nature seed which bears only one embryo with two cotyledons, are characteri 29. Which one of the following characters is not typical of the class mammalia? 30. In contrast to annelids the platyhelminthes show 31. From the following statements select the wrong one 32. G-6-P dehydrogenase deficiency is associated
with haemolysis of - 33. Enzymes, vitamins and hormones can be classified into a single category of biological chemicals, because all of these 34. Which of the following is the simplest amino acid? 35. Which of the following represents the edible part of the fruit of litchi? 36. Which one of the following statements regarding enzyme inhibition is correct? 37. Why is vivipary an undesirable character for annual crop plants? 38. Carbohydrates, the most abundant biomolescule on earth, are produced by 39. Nucleotides are building blocks of nucleic acids. Each nucleotide is a composite molecule formed by 40. The catalytic efficiency of two different enzymes can be compared by the 41. Photosynthesis in C4 plants is relatively less limited by atmospheric CO2 levels because 42. At what stage of the cell cycle are histone proteins synthesized in a eukaryotic cell? 43. In a woody dicotyledonous tree, which of the
following parts will mainly consist of primary
tissues ? 44. Golden rice is a transgenic crop of the future
with the following improved trait - 45. Production of a human protein in bacteria by
genetic engineering is possible because 46. Bacillus thuringiensis (Bt) strains have been
used for designing novel - 47. According to IUCN Red List, what is the status
of Red Panda (Ailurus fulgens) ? 48. Which one of the following pairs in
mismatched ? 49. At which latitude, heat gain through insolation
approximately equals heat loss through
terrestrial radiation - 50. Biodiversity Act of India was passed by the
Parliament in the year - 51. Animals have the innate ability to escape from
predation. Examples for the same are given
below. Select the incorrect ex 52. More than 70% of world's fresh water is
contained in – 53. Damage to thymus in a child may lead to
54. Four healthy people in their twenties got
involved in injuries resulting in damage and
death of a few cell of the follow 55. Chlorophyll in chloroplasts is located in 56. According to widely accepted "fluid mosaic
model" cell membranes are semi-fluid, where
lipids and integral proteins can 57. Chemiosmotic theory of ATP synthesis in the
chloroplasts and mitochondria is based on
58. The main organelle involved in modification and
routing of newly synthesized proteins to their
destinations is - 59. A student wishes to study the cell structure under
a light microscope having 10X eyepiece and 45X
objective. He should i 60. Centromere is required for - 61. A women with 47 chromosomes due to three
copies of chromosome 21 is characterized by 62. Which one of the following makes use of RNA
as a template to synthesize DNA - 63. A man and a woman, who do not show any
apparent signs of a certain inherited disease,
have seven children (2 daughter an 64. E. coli cells with a mustard z gene of the lac
operon cannot grow in medium containing only
lactose as the source of ene 65. A woman with normal vision, but whose father
was colour bind, marries a colour blind man.
Suppose that the fourth child 66. Telomerase is an enzyme which is a - 67. Which one of the following hydrolyses internal
phosphodiester bonds in a polynucleotide chain ? 68. Which of the following is not a hereditary
disease ? 69. Using imprints from a plate with complete
medium and carrying bacterial colonies, you
can select streptomycin resistant 70. In order to find out the different types of
gametes produced by a pea plants having the
genotype AaBb, it should be cros 71. Which of the following is not true for a species ? 72. At a particular locus, frequency of 'A' allele is
0.6 and that of 'a' is 0.4. What would be the
frequency of heterozygot 73. There are two opposing views about origin of
modern man. According to one view Homo
erectus in Asia were the ancestors o 74. One of the most important functions of botanical gardens is that 75. Which one of the following experiments
suggests that simplest living organisms could
not have originated spontaneously f 76. Which one of the following phenomena supports
Darwin's concept of natural selection in organic
evolution ? 77. Which of the following is the relatively most
accurate method for dating of fossils ? 78. During transcription holoenzyme RNA
polymerase binds to a DNA sequence and the
DNA assumes a saddle like structure at th 79. Protein synthesis in an animal cell occurs - 80. De Vries gave his mutation theory on organic
evolution while working on - 81. The world's highly prized wool yielding
'Pashmina' breed is - 82. Which one of the following depresses brain
activity and produces feelings of calmness,
relaxation and drowsiness ?
Chemistry
1. Which one of the following orders correctly represents the increasing acid strengths of the given acids? 2. The energy of second Bohr orbit of the hydrogen atom is $$-$$328 kJ mol$$-$$1; hence the energy of fourth Bohr orbit wou 3. For a first order reaction A $$ \to $$ B the reaction rate a reactant concentration of 0.01 M is found to be 2.0 $$ \tim 4. The cell membranes are mainly composed of 5. Electrolytic reduction of nitrobenzene in weakly acidic medium gives 6. A solution of urea (mol. mass 56 g mol$$-$$1) boils at 100.18oC at the atmospheric pressure. If Kf and Kb for water are 7. 4.5 g of aluminium (at. mass 27 amu) is deposited at cathode from Al3+ solution by a certain quantity of electric charge 8. The vapour pressure of two liquids P and Q are 80 and 60 torr, respectively. The total vapour pressure of solution obtai 9. The mole fraction of the solute in one molal aqueous solution is 10. A solution has a 1 : 4 mole ratio of pentane to hexane. The vapour pressures of the pure hydrocarbons at 20oC are 440 mm 11. The mass of carbon anode consumed (giving only carbon dioxide) in the production of 270 kg of aluminium metal from bauxi 12. The rate of reaction between two reactions A and B decreases by a factor of 4 if the concentration of reactant B is doub 13. Aniline in a set of reactions yielded a product D.
The structure of the product D would be 14. Which of the following would have a permanent dipole moment? 15. What is the correct relationship between the pH of isomolar solutions of sodium oxide, Na2O (pH1), sodium sulphide, Na2S 16. Which one of the following oxides is expected to exhibit paramagnetic behaviour? 17. More number of oxidation states are exhibited by the actinoids than by the lanthanoids. The main reason for this is 18. Four successive members of the first row transition elements are listed below with their atomic numbers. Which one of th 19. A nuclide of an alkaline earth metal undergoes radioactive decay by emission of the periodic table to which the resultin 20. The aqueous solution containing which one of the following ions will be colourless?
(Atomic number : Sc = 21, Fe = 26, 21. The number of moles of KMnO4 reduced by one mole of KI in alkaline medium is 22. Which one of the following is an inner orbital complex as well as diamagnetic in behaviour? 23. Which one of the following is expected to exhibit optical isomerism? (en = ethylenediamine) 24. The best method for the separation of naphthalene and benzoic acid from their mixture is 25. The correct order in which the O $$-$$ O bond length increases in the following is 26. The surface tension of which of the following liquid is maximum ? 27. Which one of the following arrangements represents the correct order of electron gain enthalpy (with negative sign) of t 28. Which of the following molecules has trigonal planar geometry? 29. Which of the following pairs of a chemical reaction is certain to result in a spontaneous reaction ? 30. A reaction occurs spontaneously if 31. The absolute enthalpy of neutralisation of the reaction :
Mg(O)(s) + 2HCl(aq) $$ \to $$ MgCl2(aq) + H2O(l) will be 32. Equilibrium constants K1 and K2 for the following equilibriam:
are related as 33. At 25oC, the dissociation constant of a base, BOH, is 1.0 $$ \times $$ 10$$-$$12. The concentration of hydroxyl ions in 34. H2S gas when passed through a solution of cations containing HCl precipitates the cations of second group of qualitative 35. Which amongst the following is the most stable carbocation? 36. Which of the following undergoes nucleophilic substitution exclusively by SN1 mechanism? 37. Which one of the following alkenes will react faster with H2 under catalytic hydrogenation conditions ? 38. Products of the following reaction :
39. Which one of the following pairs represents stereoisomerism? 40. The chirality of the compound
41. Names of some compounds are given. Which one is not in IUPAC system? 42. Which one of the following compounds is most acidic? 43. The correct sequence of increasing covalent character is represented by 44. The major organic product formed from the following reaction :
is 45. In a set of reactions acetic acid yielded a product D.
The structure of D would be 46. Which functional group participates in disulphide bond formation in proteins?
Physics
1. For the network shown in the figure the value of the current $$i$$ is
2. A network of four capacitors of capacity equal to C1 = C, C2 = 2C, C3 = 3C and C4 = 4C are connected to a battery as sho 3. Two batteries, one of emf 18 volts and internal resistance 2 $$\Omega $$ and the other of emf 12 volts and internal resi 4. A 5-ampere fuse wire can withstand a maximum power of 1 watt in the circuit. The resistance of the fuse wire is 5. If the magnetic dipole moment of an atom of diamagnetic material, paramagnetic material and ferromagnetic material are d 6. If $$\lambda $$v, $$\lambda $$x and $$\lambda $$m represent the wavelengths of visible light, X-rays and microwaves resp 7. As a result of change in the magnetic flux linked to the closed loop as shown in the figure, an e.m.f. $$V$$ volt is ind 8. In a circuit L, C and R are connected in series with an alternating voltage source of frquency $$f.$$ The current leads 9. The angular resolution of a 10 cm diameter telescope at a wavelength of 5000 $$\mathop A\limits^ \circ $$ is of the ord 10. The work functions for metals A, B and C are respectively 1.92 eV, 2.0 eV and 5 eV. According to Einstein's equation the 11. A photosensitive metallic surface has work function, h$$\upsilon $$0. If photons of energy $$2h{\upsilon _0}$$ fall on t 12. Two charges q1 and q2 are placed 30 cm apart, as shown in the figure. A third charge q3 is moved along the arc of a cir 13. Energy levels A, B and C of a certain atom corresponding to increasing values of energy i.e. EA < EB < EC. If $$ 14. Application of a forward bias to a p-n junction 15. Carbon, silicon and germanium atoms have four valence electrons each. Their valence and conduction bands are separated b 16. In the reaction $${}_1^2$$H + $${}_1^3$$H $$ \to $$ $${}_2^4$$He + $${}_0^1$$n, if the binding energies of $${}_1^2$$ H, 17. In any fission process the ratio
mass of fission products
mass of parent nucleus
is 18. Fission of nuclei is possible because the binding energy per nucleon in them 19. Copper has face centered cubic (fcc) lattice with interatomic spacing equal to 2.54 $$\mathop A\limits^ \circ $$. The v 20. Zener diode is used for 21. Choose the only false statement from the following. 22. The total energy of an electron in the first excited state of hydrogen atom is about $$-$$ 3.4 eV. Its kinetic energy in 23. In a p-n junction photo cell, the value of the photo-electromotive force profuced by monochromatic light is proportional 24. Imagine a new planet having the same density as that of earth but it is 3 times bigger than the earth in size. If the ac 25. The ratio of the dimensions of Planck's constant and that of moment of inertia is the dimensions of 26. The displacement x of a particle varies with time t as x = ae$$-$$at + be$$\beta $$t, where a, b, $$\alpha $$ and $$\bet 27. Two boys are standing at the ends A and B of a ground where AB = a. The boy at B starts running in a direction perpen 28. If a vector $$2\widehat i + 3\widehat j + 8\widehat k$$ is perpendicular to the vector $$4\widehat j - 4\widehat i + \al 29. A stone tied to the end of a string of 1 m long is whirled in a horizontal circle with a constant speed. If the stone 30. If the angle between the vectors $$\overrightarrow A $$ and $$\overrightarrow B $$ is $$\theta $$, the value of the pro 31. A drum of radius R and mass M, rolls down without slipping along an inclined plane of angle $$\theta $$. The frictional 32. The moment of inertia of a uniform circular disc of radius R and mass M about an axis passing from the edge of the disc 33. A force F acting
on an object varies with distance x as shown here. The force is in N and x in m. The work done by the 34. Two bodies have their moments of inertia I and 2I respectively about their axis of rotation. If their kinetic energies o 35. A bomb of mass 30 kg at rest explodes into two pieces of masses 18 kg and 12 kg. The velocity of 18 kg mass is 6 m s$$-$ 36. For a satellite moving in an orbit around the earth, the ratio of kinetic energy to potential energy is 37. Which of the following rods, (given radius r and length $$l$$) each made of the same material and whose ends are maintai 38. The circular motion of a particle with constant speed is 39. An ideal gas heat engine operates in Carnot cycle between 227oC and 127oC. It absorbs 6 $$ \times $$ 104 cal of heat at 40. Which of the following processes is reversible? 41. A point source emits sound equally in all directions in a non-absorbing medium. Two points P and Q are at distances of 2 42. As per the diagram a point charge +q is placed at the origin O. Work done in taking another point charge $$-$$Q from th 43. When a wire of uniform cross-section $$a$$ length $$l$$ and resistance R is bent into a complete circle. resistance betw 44. A very long straight wire carries a current $$I$$. At the instant when a charge +Q at point P has velocity $$\overrighta 45. A coil in the shape of an equilateral triangle of side $$l$$ is suspended between the pole pieces of a permanent magnet 46. An electron moves in a circular orbit with a uniform speed v. It producess a magnetic field B at the centre of the circl 47. A ball is thrown vertically upward. It has a speed of 10 m/sec when it has reached one half of its maximum height. How h
1
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Energy levels A, B and C of a certain atom corresponding to increasing values of energy i.e. EA < EB < EC. If $$\lambda $$1, $$\lambda $$2 and $$\lambda $$3 are wavelengths of radioations corresponding to transitions C to B, B to A and C to A respectively, which of the following relations is correct?
A
$${\lambda _3} = {\lambda _1} + {\lambda _2}$$
B
$${\lambda _3} = {{{\lambda _1}{\lambda _2}} \over {{\lambda _1} + {\lambda _2}}}$$
C
$${\lambda _1} + {\lambda _2} + {\lambda _3} = 0$$
D
$${\lambda _3}^2 = {\lambda _1}^2 + {\lambda _2}^2$$
2
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Application of a forward bias to a p-n junction
A
widens the depletion zone
B
increases the potential difference across the depletion zone
C
increases the number of donors on the n side
D
decreases the electric field in the depletion zone.
3
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Carbon, silicon and germanium atoms have four valence electrons each. Their valence and conduction bands are separated by energy band gaps represented by (Eg)C, (Eg)si and (Eg)Ge respectively. Which one of the following relationships is true in their case?
A
(Eg)C > (Eg)Si
B
(Eg)C < (Eg)Si
C
(Eg)C = (Eg)Si
D
(Eg)C < (Eg)Ge.
4
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
In the reaction $${}_1^2$$H + $${}_1^3$$H $$ \to $$ $${}_2^4$$He + $${}_0^1$$n, if the binding
energies of $${}_1^2$$ H, $${}_1^3$$H and $${}_2^4$$He are respectively a, b and c (in MeV),
then the energy (in MeV) released in this reaction is
energies of $${}_1^2$$ H, $${}_1^3$$H and $${}_2^4$$He are respectively a, b and c (in MeV),
then the energy (in MeV) released in this reaction is
A
a + b + c
B
a + b $$-$$ c
C
c $$-$$ a $$-$$ b
D
c + a $$-$$ b
Paper Analysis
Total Questions
Biology 82
Chemistry 46
Physics 47
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