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