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. The ability of the Venus Flytrap to capture insects is due to 4. During which stage in the complete oxidation of glucose are the greatest number of ATP molecules formed from ADP? 5. The net pressure gradient that causes the fluid to filter out of the glomeruli into the capsule is 6. In ornithine cycle, which of the following wastes are removed from the blood? 7. Which of the following pairs is correctly matched? 8. Photosynthetic Active Radiation (PAR) has the following range of wavelengths. 9. A person is undergoing prolonged fasting. His urine will be found to contain abnormal quantities of 10. Parkinson's disease (characterized by tremors and progressive rigidity of limbs) is caused by degeneration of brain neur 11. In a man, abducens nerve is injured. Which one of the following functions will be affected? 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. If mammalian ovum fails to get fertilized, which
one of the following is unlikely 17. Grey crescent is the area - 18. A man and a woman, who do not show any
apparent signs of a certain inherited disease,
have seven children (2 daughter an 19. Telomerase is an enzyme which is a - 20. From the following statements select the wrong one 21. Basophilic prokaryotes 22. There exists a close association between the alga and the fungus within a lichen. The fungus 23. For retting of jute the fermenting microbe used is 24. All of the following statements concerning the actinomycetous filamentous soil bacterium Frankia are correct except that 25. Match items in column $${\rm I}$$ with those in column $${\rm I}$$$${\rm I}$$.
.tg {border-collapse:collapse;border-sp 26. Auxospores and hormogonia are formed, respectively, by 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 of the following unicellular organisms has a macronucleus for trophic function and one or more micronuclei for re 30. Which one of the following characters is not typical of the class mammalia? 31. In contrast to annelids the platyhelminthes show 32. G-6-P dehydrogenase deficiency is associated
with haemolysis of - 33. Which of the following is the simplest amino acid? 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. Nucleotides are building blocks of nucleic acids. Each nucleotide is a composite molecule formed by 37. Enzymes, vitamins and hormones can be classified into a single category of biological chemicals, because all of these 38. Carbohydrates, the most abundant biomolescule on earth, are produced by 39. The catalytic efficiency of two different enzymes can be compared by the 40. Which one of the following statements regarding enzyme inhibition is correct? 41. At what stage of the cell cycle are histone proteins synthesized in a eukaryotic cell? 42. As compared to a C3-plant, how many additional molecules of ATP are needed for net production of one molecule of hexose 43. Golden rice is a transgenic crop of the future
with the following improved trait - 44. Bacillus thuringiensis (Bt) strains have been
used for designing novel - 45. Production of a human protein in bacteria by
genetic engineering is possible because 46. More than 70% of world's fresh water is
contained in – 47. Which one of the following pairs in
mismatched ? 48. Biodiversity Act of India was passed by the
Parliament in the year - 49. Animals have the innate ability to escape from
predation. Examples for the same are given
below. Select the incorrect ex 50. According to IUCN Red List, what is the status
of Red Panda (Ailurus fulgens) ? 51. At which latitude, heat gain through insolation
approximately equals heat loss through
terrestrial radiation - 52. In a woody dicotyledonous tree, which of the
following parts will mainly consist of primary
tissues ? 53. Chlorophyll in chloroplasts is located in 54. Chemiosmotic theory of ATP synthesis in the
chloroplasts and mitochondria is based on
55. A student wishes to study the cell structure under
a light microscope having 10X eyepiece and 45X
objective. He should i 56. Four healthy people in their twenties got
involved in injuries resulting in damage and
death of a few cell of the follow 57. The main organelle involved in modification and
routing of newly synthesized proteins to their
destinations is - 58. According to widely accepted "fluid mosaic
model" cell membranes are semi-fluid, where
lipids and integral proteins can 59. Centromere is required for - 60. A women with 47 chromosomes due to three
copies of chromosome 21 is characterized by 61. Which one of the following makes use of RNA
as a template to synthesize DNA - 62. Using imprints from a plate with complete
medium and carrying bacterial colonies, you
can select streptomycin resistant 63. A women with 47 chromosomes due to three
copies of chromosome 21 is characterized by - 64. Which of the following is not a hereditary
disease ? 65. E. coli cells with a mustard z gene of the lac
operon cannot grow in medium containing only
lactose as the source of ene 66. Which one of the following hydrolyses internal
phosphodiester bonds in a polynucleotide chain ? 67. A woman with normal vision, but whose father
was colour bind, marries a colour blind man.
Suppose that the fourth child 68. Haemophilia is more commonly seen in human
males than in human females because - 69. In order to find out the different types of
gametes produced by a pea plants having the
genotype AaBb, it should be cros 70. Which of the following is not true for a species ? 71. There are two opposing views about origin of
modern man. According to one view Homo
erectus in Asia were the ancestors o 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. One of the most important functions of botanical gardens is that 74. During transcription holoenzyme RNA
polymerase binds to a DNA sequence and the
DNA assumes a saddle like structure at th 75. Which one of the following experiments
suggests that simplest living organisms could
not have originated spontaneously f 76. Which of the following is the relatively most
accurate method for dating of fossils ? 77. Protein synthesis in an animal cell occurs - 78. Which one of the following phenomena supports
Darwin's concept of natural selection in organic
evolution ? 79. De Vries gave his mutation theory on organic
evolution while working on - 80. The world's highly prized wool yielding
'Pashmina' breed is - 81. Which one of the following depresses brain
activity and produces feelings of calmness,
relaxation and drowsiness ? 82. Damage to thymus in a child may lead to
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. 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 4. The cell membranes are mainly composed of 5. Electrolytic reduction of nitrobenzene in weakly acidic medium gives 6. A solution has a 1 : 4 mole ratio of pentane to hexane. The vapour pressures of the pure hydrocarbons at 20oC are 440 mm 7. For a first order reaction A $$ \to $$ B the reaction rate a reactant concentration of 0.01 M is found to be 2.0 $$ \tim 8. The vapour pressure of two liquids P and Q are 80 and 60 torr, respectively. The total vapour pressure of solution obtai 9. The mole fraction of the solute in one molal aqueous solution is 10. 4.5 g of aluminium (at. mass 27 amu) is deposited at cathode from Al3+ solution by a certain quantity of electric charge 11. The mass of carbon anode consumed (giving only carbon dioxide) in the production of 270 kg of aluminium metal from bauxi 12. The rate of reaction between two reactions A and B decreases by a factor of 4 if the concentration of reactant B is doub 13. Which functional group participates in disulphide bond formation in proteins? 14. Which of the following would have a permanent dipole moment? 15. Which one of the following oxides is expected to exhibit paramagnetic behaviour? 16. What is the correct relationship between the pH of isomolar solutions of sodium oxide, Na2O (pH1), sodium sulphide, Na2S 17. More number of oxidation states are exhibited by the actinoids than by the lanthanoids. The main reason for this is 18. Four successive members of the first row transition elements are listed below with their atomic numbers. Which one of th 19. A nuclide of an alkaline earth metal undergoes radioactive decay by emission of the periodic table to which the resultin 20. The aqueous solution containing which one of the following ions will be colourless?
(Atomic number : Sc = 21, Fe = 26, 21. The number of moles of KMnO4 reduced by one mole of KI in alkaline medium is 22. Which one of the following is expected to exhibit optical isomerism? (en = ethylenediamine) 23. Which one of the following is an inner orbital complex as well as diamagnetic in behaviour? 24. Which one of the following pairs represents stereoisomerism? 25. Which of the following molecules has trigonal planar geometry? 26. The surface tension of which of the following liquid is maximum ? 27. The correct order in which the O $$-$$ O bond length increases in the following is 28. Which one of the following arrangements represents the correct order of electron gain enthalpy (with negative sign) of t 29. A reaction occurs spontaneously if 30. Which of the following pairs of a chemical reaction is certain to result in a spontaneous reaction ? 31. The absolute enthalpy of neutralisation of the reaction :
Mg(O)(s) + 2HCl(aq) $$ \to $$ MgCl2(aq) + H2O(l) will be 32. Equilibrium constants K1 and K2 for the following equilibriam:
are related as 33. H2S gas when passed through a solution of cations containing HCl precipitates the cations of second group of qualitative 34. At 25oC, the dissociation constant of a base, BOH, is 1.0 $$ \times $$ 10$$-$$12. The concentration of hydroxyl ions in 35. Which amongst the following is the most stable carbocation? 36. Which one of the following alkenes will react faster with H2 under catalytic hydrogenation conditions ? 37. Which of the following undergoes nucleophilic substitution exclusively by SN1 mechanism? 38. The chirality of the compound
39. Names of some compounds are given. Which one is not in IUPAC system? 40. Products of the following reaction :
41. The best method for the separation of naphthalene and benzoic acid from their mixture is 42. Which one of the following compounds is most acidic? 43. The correct sequence of increasing covalent character is represented by 44. In a set of reactions acetic acid yielded a product D.
The structure of D would be 45. The major organic product formed from the following reaction :
is 46. Aniline in a set of reactions yielded a product D.
The structure of the product D would be
Physics
1. In any fission process the ratio
mass of fission products
mass of parent nucleus
is 2. A 5-ampere fuse wire can withstand a maximum power of 1 watt in the circuit. The resistance of the fuse wire is 3. Two batteries, one of emf 18 volts and internal resistance 2 $$\Omega $$ and the other of emf 12 volts and internal resi 4. When a wire of uniform cross-section $$a$$ length $$l$$ and resistance R is bent into a complete circle. resistance betw 5. An electron moves in a circular orbit with a uniform speed v. It producess a magnetic field B at the centre of the circl 6. If the magnetic dipole moment of an atom of diamagnetic material, paramagnetic material and ferromagnetic material are d 7. If $$\lambda $$v, $$\lambda $$x and $$\lambda $$m represent the wavelengths of visible light, X-rays and microwaves resp 8. As a result of change in the magnetic flux linked to the closed loop as shown in the figure, an e.m.f. $$V$$ volt is ind 9. In a circuit L, C and R are connected in series with an alternating voltage source of frquency $$f.$$ The current leads 10. The angular resolution of a 10 cm diameter telescope at a wavelength of 5000 $$\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}$$ fall on t 13. A coil in the shape of an equilateral triangle of side $$l$$ is suspended between the pole pieces of a permanent magnet 14. Zener diode is used for 15. Copper has face centered cubic (fcc) lattice with interatomic spacing equal to 2.54 $$\mathop A\limits^ \circ $$. The v 16. Carbon, silicon and germanium atoms have four valence electrons each. Their valence and conduction bands are separated b 17. In the reaction $${}_1^2$$H + $${}_1^3$$H $$ \to $$ $${}_2^4$$He + $${}_0^1$$n, if the binding energies of $${}_1^2$$ H, 18. Energy levels A, B and C of a certain atom corresponding to increasing values of energy i.e. EA < EB < EC. If $$ 19. In a p-n junction photo cell, the value of the photo-electromotive force profuced by monochromatic light is proportional 20. Fission of nuclei is possible because the binding energy per nucleon in them 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. Application of a forward bias to a p-n junction 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 displacement x of a particle varies with time t as x = ae$$-$$at + be$$\beta $$t, where a, b, $$\alpha $$ and $$\bet 26. The ratio of the dimensions of Planck's constant and that of moment of inertia is the dimensions of 27. Two boys are standing at the ends A and B of a ground where AB = a. The boy at B starts running in a direction perpen 28. A stone tied to the end of a string of 1 m long is whirled in a horizontal circle with a constant speed. If the stone 29. If a vector $$2\widehat i + 3\widehat j + 8\widehat k$$ is perpendicular to the vector $$4\widehat j - 4\widehat i + \al 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. Two bodies have their moments of inertia I and 2I respectively about their axis of rotation. If their kinetic energies o 33. 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 34. 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 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$$-$ 36. Which of the following rods, (given radius r and length $$l$$) each made of the same material and whose ends are maintai 37. For a satellite moving in an orbit around the earth, the ratio of kinetic energy to potential energy is 38. An ideal gas heat engine operates in Carnot cycle between 227oC and 127oC. It absorbs 6 $$ \times $$ 104 cal of heat at 39. A point source emits sound equally in all directions in a non-absorbing medium. Two points P and Q are at distances of 2 40. Which of the following processes is reversible? 41. The circular motion of a particle with constant speed is 42. As per the diagram a point charge +q is placed at the origin O. Work done in taking another point charge $$-$$Q from th 43. A network of four capacitors of capacity equal to C1 = C, C2 = 2C, C3 = 3C and C4 = 4C are connected to a battery as sho 44. Two charges q1 and q2 are placed 30 cm apart, as shown in the figure. A third charge q3 is moved along the arc of a cir 45. A very long straight wire carries a current $$I$$. At the instant when a charge +Q at point P has velocity $$\overrighta 46. For the network shown in the figure the value of the current $$i$$ is
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
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
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.
3
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
The total energy of an electron in the first excited state of hydrogen atom is about $$-$$ 3.4 eV. Its kinetic energy in this state is
A
3.4 eV
B
6.8 eV
C
$$-$$ 3.4 eV
D
$$-$$ 6.8 eV
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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