Biology
1. Opening of floral buds into flowers, is a type of 2. Which of the following is a flowering plant with nodules containing filamentous nitrogen-fixing micro-organism? 3. About 98 percent of the mas of every living organism is composed of just six elements including carbon, hydrogen, nitrog 4. The first acceptor of electrons from an excited chlorophyll molecule of photosystem II is 5. In the leaves of C4 plants, malic acid formation during CO2 fixation occurs in the cells of 6. The wavelength of light absorbed by Pr form of phytochrome is 7. Which one of the following pairs, is not correctly matched? 8. All enzymes of TCA cycle are located in the mitochondrial matrix except one which is located in inner mitochondrial memb 9. Which one of the following is a matching pair of body feature and the animal possessing it? 10. The overall goal of glycolysis, Krebs' cycle and the electron transport system is the formation of 11. A drop of each of the following, is placed separately on four slides. Which of them will not coagulate? 12. Which one of the following items gives its correct total number? 13. A person who is on a long hunger strike and is surviving only on water, will have 14. In human body, which one of the following is anatomically correct? 15. During the transmission of nerve impulse through a nerve fibre, the potential on the inner side of the plasma membrane h 16. Bowman's glands are located in the 17. Feeling the tremors of an earthquake a scared resident of seventh floor of a multistoryed building starts climbing down 18. A person is having problems with calcium and phosphorus metabolism in his body. Which one of the following glands may no 19. Which pair of the following belongs to basidiomycetes? 20. ICBN stands for 21. The living organisms can be unexceptionally distinguished from the non-living things on the basis of their ability for 22. Which one of the following is surrounded by a callose wall? 23. Which one of the following is a slime mould? 24. Which one of the following statements about mycoplasma is wrong? 25. Spore dissemination in some liverworts is added by 26. In the prothallus of a vascular cryptogam, the antherozoids and eggs mature at different times. As a result 27. If you are asked to classify the various algae into distinct groups, which of the following characters you should choose 28. In gymnosperms, the pollen chamber represents 29. What is true about Nereis, scorpion, cockroach and silver fish? 30. Which of the following pairs are correctly matched?
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.tg t 31. What is common between parrot, platypus and kangaroo? 32. Flagellated male gametes are present in all the three of which one of the following sets? 33. A genetically engineered micro-organism used
successfully in bioremediation of oil spills is a
species of- 34. Geometric representation of age structure is a characteristic of :- 35. If the mean and the median pertaining to a
certain character of a population are of the same
value, the following is mos 36. A high density of elephant population in an area
can result in :- 37. Identify the odd combination of the habitat and
the particular animal concerned : 38. Which one of the following ecosystem types has
the highest annual net primary productivity ? 39. The population of an insect species shows an
explosive increase in numbers during rainy
season followed by its disappear 40. Which one of the following pairs of organisms
are exotic species introduced in India ? 41. One of endangered species of Indian medicinal
plants is that of:- 42. For a critical study of secondary growth in plants,
which one of the following pairs is suitable ? 43. Passage cells are thin-walled cells found in:- 44. Select the wrong statement from the following: 45. Biological organization starts with:- 46. Which one of the following is not a constituent
of cell membrane ? 47. Which one of the following pairs of structures
distinguishes a nerve cell from other types of cell ? 48. In which one of the following preparations are
you likely to come across cell junctions most
frequently ? 49. Which one of the following statements is correct? 50. The finches of Galapogas islands provide an
evidence in favour of- 51. Two plants can be conclusively said to belong to the same species if they 52. Male gametes in angiosperms are formed by the division of 53. Which part of ovary in mammals acts as an
endocrine gland after ovulation ? 54. In the human female, menstruation can be
deferred by the administration of:- 55. In pea plants, yellow seeds are dominant to
green. If a heterozygous yellow seeded plant is
crossed with a green seeded 56. Inheritance of skin colour in humans is an
example of:- 57. A common test to find the genotype of a hybrid
is by:- 58. A human male produces sperms with the
genotypes AB, Ab, AB, and ab pertaining to two
diallelic characters in equal propo 59. In the hexaploid wheat, the haploid(n) and
basic(x) numbers of chromosomes are : 60. The concept of chemical evolution is based on- 61. When two species of different genealogy come
to resemble each other as a result of adaptation,
the phenomenon is termed: 62. Adaptive radiation refers to:- 63. Increased asthmatic attacks in certain seasons are
related to: 64. Lysozyme that is present in perspiration, saliva
and tears, destroys: 65. Which one of the following pairs is wrongly
matched ? 66. If you suspect major deficiency of antibodies in
a person, to which of the following would you
look for confirmatory evi 67. Probiotics are-
Chemistry
1. Which of the following oxidation states are the most characteristic for lead and tin respectively? 2. Which one of the following orders correctly represents the increasing acid strengths of the given acids? 3. Which one of the following ions is the most stable in aqueous solution?
(At. No. Ti = 22, V = 23, Cr = 24, Mn = 25) 4. Identify the incorrect statement among the following: 5. The d electron configurations of Cr2+, Mn2+, Fe2+ and Ni2+ are 3d4, 3d5, 3d6 and 3d8 respectively. Which one of the foll 6. Which of the following will give a pair of enantiomorphs?
(en = NH2CH2CH2NH2) 7. Concentrated aqueous sulphuric acid is 98% H2SO4 by mass and has a density of 1.80 g mL$$-$$1. Volume of acid required t 8. Reduction of aldehydes and ketones into hydrocarbons using zinc amalgam and conc. HCl is called 9. Consider the following compounds
The correct decreasing order of their reactivity towards hydrolysis is 10. Which of the following represents the correct order of the acidity in the given compounds ? 11. The product formed in Aldol condensation is 12. Which one of the following on treatment with 50% aqueous sodium hydroxide yields the corresponding alcohol and acid? 13. Which of the following vitamins is water-soluble? 14. Which one of the following on reduction with lithium aluminium hydride yields a secondary amine? 15. RNA and DNA are chiral molecules, their chirality is due to 16. In the reaction :
Which of the following compounds will be formed? 17. 0.5 molal aqueous solution of a weak acid (HX) is 20% ionised. If Kf for water is 1.86 K kg mol$$-$$1, the lowering in f 18. In a first-order reaction A $$ \to $$ B, if k is rate constant and initial concentration of the reactant A is 0.5 M, the 19. The efficiency of a fuel cell is given by 20. The equilibrium constant of the reaction:
Cu(s) + 2Ag+(aq) $$ \to $$ Cu2+(aq) + 2Ag(s);
Eo = 0.46 V at 298 K is 21. The reaction of hydrogen and iodine monochloride is given as :
H2(g) + 2ICl(g) $$ \to $$ 2HCl(g) + I2(g)
This reaction 22. If 60% of a first order reaction was completed in 60 minutes, 50% of the same reaction would be completed in approximate 23. Which of the following anions is present in the chain structure of silicates? 24. Consider the following reactions :
(i) H+(aq) + OH$$-$$(aq) = H2O(l), $$\Delta $$H = $$-$$ X1 kJ mol$$- 25. An element, X has the following isotopic composition:
200X : 90% 199X : 8.0% 202X : 2.0%
The weig 26. Identify the correct order of the size of the following : 27. With which of the following electronic configuration an atom has the lowest ionisation enthalpy ? 28. Consider the following sets of quantum numbers :
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N2 + 3H2 $$\rightleftharpoons$$ 2NH3; K1
N2 33. Given that bond energies of H $$-$$ H and Cl $$-$$ Cl are 430 kJ mol$$-$$1 and 240 kJ mol$$-$$1 respectively and $$\Delt 34. A weak acid, HA, has a Ka of 1.00 $$ \times $$ 10$$-$$5. If 0.100 mol of this acid is dissolved in one litre of water, t 35. Calculate the pOH of a solution at 25oC that contains 1 $$ \times $$ 10$$-$$10 M of hydronium ions, i.e. H3O+. 36. Which of the compound with molecular formula C5H10 yields acetone on ozonolysis? 37. Predict the product C obtained in the following reaction of 1-butyne.
38. The order of decreasing reactivity towards an electrophilic reagent, for the following would be
(i) benzene
(ii) tolu 39. For (i) I$$-$$, (ii) Cl$$-$$, (iii) Br$$-$$, the increasing order of nucleophilicity would be 40. CH3 $$-$$ CHCl $$-$$ CH2 $$-$$ CH3 has a chiral centre. Which one of the following represents its R-configuration? 41. If there is no rotation of plane polarised light by a compound in a specific solvent, through to be chiral, it may mean
Physics
1. A small coin is resting on the bottom of a beaker filled with liquid . A ray of light from the coin travels upto the sur 2. Two condensers, one of capacity C and other of capacity C/2 are connected to a V-volt battery, as shown in the figure. T 3. The resistance of an ammeter is 13 $$\Omega $$ and its scale is graduated for a current upto 100 amps. After an addition 4. Three resistances, P, Q, R each of 2$$\Omega $$ and an unknown resistance S from the four arms of a Wheatstone bridge ci 5. A hollow cylinder has a charge q coulomb within it. If $$f$$ is the electric flux in units of voltmeter associated with 6. Under the influence of a uniform magnetic field, a charged particle moves with constant speed v in a circle of radius R. 7. Nickel shows ferromagnetic property at room temperature. If the temperature is increased beyond Curie temperature, then 8. A transformer is used to light a 100 W and 110 V lamp from a 220 V mains. If the main current is 0.5 amp, the efficiency 9. What is the value of inductance L for which the current is maximum in a series LCR circuit with C = 10 $$\mu $$F and $$\ 10. The electric and magnetic field of an electromagnetic wave are 11. The primary and secondary coils of a transformer have 50 and 1500 turns respectively. If the magnetic flux $$\phi $$ lin 12. Three point charges +q, $$-$$ 2q and + q are placed at points (x = 0, y = a, z = 0), (x = 0, y = 0, z = 0) and (x = $$a$ 13. Monochromatic light of frequency 6.0 $$ \times $$ 1014 Hz is produced by a laser. The power emitted is 2 $$ \times $$ 10 14. A beam of electron passes undeflected through mutually perpendicular electric and magnetic fields. If the electric field 15. A 5 watt source emits monochromatic light of wavelength 5000 $$\mathop A\limits^ \circ $$. When placed 0.5 m away, it l 16. The frequency of a light wave in a material is 2 $$ \times $$ 1014 Hz and wavelength is 5000 $$\mathop A\limits^ \circ 17. The total energy of electron in the ground state of hydrogen atom is $$-$$ 13.6 eV. The kinetic energy of an electron in 18. In the energy band diagram of a material shown below, the open circles and filled circles denote holes and electrons res 19. A nucleus $${}_Z^AX$$ has mass represented by M(A, Z). If Mp and Mn denote the mass of proton and neutron respectively a 20. In the following circuit, the output Y for all possible inputs A and B is expressed by the truth table.
21. Two satellites of earth, S1 and S2 are moving in the same orbit. The mass of S1 is four times the mass of S2. Which one 22. A car moves from X to Y with a uniform speed vu and returns to Y with a uniform speed vd. The average speed for this rou 23. The positions x of a particle with respect to time t along x-axis is given by x = 9t2 $$-$$ t3 where x is in metres and 24. Dimensions of resistance in an electrical circuit, in terms of dimension of mass M, of length L, of time T and of curre 25. A block B is pushed momentarily along a horizontaly surface with an initial velocity V. If $$\mu $$ is the c 26. A particle starting from the origin (0, 0) moves in a straight line in the (x, y) planes. Its coordinates at a later tim 27. $$\overrightarrow A $$ and $$\overrightarrow B $$ are two vectors and $$\theta $$ is the angle between them, if $$\left 28. A particle of mass m moves in the XY plane with a velocity v along the straight line AB. If the angular momentum of the 29. A uniform rod AB of length $$l$$ and mass m is free to rotate about point A. The rod is released from rest in the horizo 30. A vertical spring with force constant k is fixed on a table. A ball of mass m at a height h above the free upper end of 31. A wheel has angular acceleration of 3.0 rad/sec2 and an initial angular speed of 2.00 rad/sec. In a time of 2 sec it has 32. Assuming the sun to have a spherical outer surface of radius r, radiating like a black body at temperature toC, the powe 33. A black body is at 727oC. It emits energy at a rate which is proportional to 34. A particle executes simple harmonic oscillation with an amplitude $$a$$. The period of oscillation is T. The minimum tim 35. A mass of 2.0 kg is put on a flat pan attached to a vertical spring fixed on the ground as shown in the figure. The mass 36. The particle executing simple harmonic motion has a kinetic energy K0cos2$$\omega $$t. The maximum values of the potenti 37. The phase difference between the instantaneous velocity and acceleration of a particle executing simple harmonic motion 38. An engine has an efficiency of 1/6. When the temperature of sink is reduced by 62oC, its efficiency is doubled. Temperat 39. The total power dissipated in watt in the circuit shown here is
40. A charged particle (charge q) is moving in a circle of radius R with uniform speed v. The associated magnetic moment $$\ 41. Charges +q and $$-$$q are placed at points A and B respectively which are a distance 2L apart, C is the midnight between 42. For a cubic crystal structure which one of the following relations indicating the cell characteristics is correct ? 43. Which one of the following represents forward bias diode ? 44. In a mass spectrometer used for measuring the masses of ions, the ions are initially accelerated by an electric potentia 45. A particle moving along x-axis has acceleration f, at time t, given by f = f0$$\left( {1 - {t \over T}} \right),$$ where
1
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
An engine has an efficiency of 1/6. When the temperature of sink is reduced by 62oC, its efficiency is doubled. Temperatures of the source is
A
37oC
B
62oC
C
99oC
D
124oC.
2
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
The total power dissipated in watt in the circuit shown here is
A
40
B
54
C
4
D
16
3
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
A charged particle (charge q) is moving in a circle of radius R with uniform speed v. The associated magnetic moment $$\mu $$ is given by
A
$$qv{R^2}$$
B
$$qv{R^2}/2$$
C
qvR
D
qvR/2
4
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
Charges +q and $$-$$q are placed at points A and B respectively which are a distance 2L apart, C is the midnight between A and B. The work done in moving a charge + Q along the semicircle CRD is
A
$${{qQ} \over {2\pi {\varepsilon _0}L}}$$
B
$${{qQ} \over {6\pi {\varepsilon _0}L}}$$
C
$$-$$ $${{qQ} \over {6\pi {\varepsilon _0}L}}$$
D
$${{qQ} \over {4\pi {\varepsilon _0}L}}$$
Paper Analysis
Total Questions
Biology 67
Chemistry 41
Physics 45
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