Biology
1. What will happen if the stretch receptors of the urinary bladder wall are totally removed? 2. Which one of the following acids is a derivative of carotenoids? 3. One of the synthetic auxin is 4. What is vital capacity of our lungs? 5. The haemoglobin of a human foetus 6. In a standard ECG which one of the following alphabets is the correct representation of the respective activity of the h 7. Globulins contained in human blood plasma are primarily involved in 8. Compared to blood our lymph has 9. There is no DNA in 10. Aerobic respiratory pathway is appropriately termed 11. Uric acid is the chief nitrogenous component of the excretory products of 12. Which part of human brain is concerned with the regulation of body temperature? 13. Alzheimer's disease in humans is associated with the deficiency of 14. Which one of the following is the correct matching of three items and their grouping category? 15. Elbow joint is an example of 16. A health disorder that results from the deficiency of thyroxine in adults and characterised by (i) a low metabolic rate, 17. Vegetative propagation in mint occurs by 18. Foetal ejection reflex in human female is induced by 19. The correct sequence of spermatogenetic stages
leading to the formation of sperms in a mature
human testis is : 20. Which one of the following is the correct matching
of the events occurring during menstrual cycle ? 21. Which one of the following is the most likely
root cause why menstruation is not taking place
in regularly cycling human 22. Which one of the following pairs of animals comprises 'jawless fishes'? 23. Which one is the wrong pairing for the disease and its causal organism? 24. T.O. Diener discovered a 25. Which one of the following is a vascular cryptogam? 26. Which of the following is a symbiotic nitrogen fixer? 27. Which one of the following is considered important in the development of seed habit? 28. Phylogenetic system of classification is based on 29. Oxygenic photosynthesis occurs in 30. If a live earthworm is pricked with a needle on its outer surface without damaging its gut, the fluid that comes out is 31. Mannitol is the stored food in 32. Which one of the following has haplontic life cycle? 33. Which one of the following plants is monoecious? 34. Which one of the following groups of animals is bilaterally symmetrical and triploblastic? 35. A change in the amount of yolk and its
distribution in the egg will effect : 36. A fruit developed from hypanthodium inflorescence is called 37. An example of axile placentation is 38. An examples of a seed with endosperm, perisperm, and caruncle is 39. Cotyledons and testa respectively are edible parts in 40. The floral formula
is that of 41. Synapsis occurs between 42. Stroma in the chloroplasts of higher plant contains 43. Given below is a schematic break-up of the phases/stages of cell cycle. Which one of the following is the correct indica 44. Cyclic photophosphorylation results in the formation of 45. In barley stem vascular bundles are - 46. Reduction in vascular tissue, mechanical tissue
and cuticle is characteristic of : 47. Which one of the following types organisms
occupy more than one trophic level in a pond
ecosystem ? 48. The correct sequence of plants in hydrosere is : 49. A country with a high rate of population growth
took measures to reduce it. The figure below
shows age-sex pyramids of p 50. Which one of the following has maximum
genetic diversity in India ? 51. Tiger is not a resident in which one of the
following National Park ? 52. Anatomically fairly old dicotyledonous root is
distinguished from the dicotyledonous stem by : 53. Palisade parenchyma is absent in leaves of - 54. What is true about Bt toxin ? 55. The annular and spirally thickened conducting
elements generally develop in the protoxylem
when the root or stem is - 56. Cytoskeleton is made up of : 57. Middle lamella is composed mainly of : 58. The kind of tissue that forms the supportive
structure in our pinna (external ears) is also
found in - 59. Which one of the following is correct pairing of
a body part and like kind of muscle tissue that
moves it ? 60. Plasmodesmata are : 61. The epithelial tissue present on the inner surface
of bronchioles and fallopian tubes is : 62. Which one of the following correctly described
the location of some body parts in the earthworm
Pheretima ? 63. The cell junctions called tight, adhering and gap
junctions are found in : 64. In the case of peppered moth (Biston betularia)
the black-coloured from became dominant over
the light-coloured form in 65. Seminal plasma in humans is rich in : 66. Given below is a diagrammatic sketch for a
portion of human male reproductive system.
Select the correct set of the name 67. Removal of introns and joining the exons in a
defined order in a transcription unit is called : 68. Study the pedigree chart given below :
What does it show ? 69. Whose experiments cracked the DNA and
discovered unequivocally that a genetic code is a
"triplet" ? 70. Select the incorrect statement from the
following : 71. What is not true for genetic code? 72. The genetic defect-adenosine deaminase (ADA)
deficiency may be cured permanently by 73. Sickle-cell anemia is : 74. Semi-conservative replication of DNA was first
demonstrated in : 75. The most popularly known blood grouping is
the ABO grouping. It is named ABO and not
ABC, because "O" in it refers to ha 76. Peripatus is a connecting link between : 77. Which of following is a pair of viral diseases ? 78. Which one of the following pairs is wrongly
matched ? 79. Somaclones are obtained by : - 80. Which of the following is not used as a
biopesticide ? 81. Polyethylene glycol method is used for : 82. Which one of the following statement is
correct ? 83. The bacterium Bacillus thuringiensis is widely
used in contemporary biology as - 84. Transgenic plants are the ones - 85. Which one of the following is commonly used in
transfer of foreign DNA into crop plants ? 86. What is antisense technology?
Chemistry
1. Which of the following complex ions is expected to absorb visible light?
(At. nos. Zn = 30, Sc = 21, Ti = 22, Cr = 24) 2. 10 g of hydrogen and 64 g of oxygen were filled in a steel vessel and exploded. Amount of water produced in this reacti 3. The equivalent conductance of M/32 solution of a weak monobasic acid is 8.0 mho cm2 and at infinite dilution is 400 mho 4. The segment of DNA which acts as the instrumental manual for the synthesis of the protein is 5. Predict the product.
6. Which of the following hormones contains iodine? 7. Nitrobenzene can be prepared from benzene by using a mixture of conc. HNO3 and conc. H2SO4. In the mixture, nitric acid 8. A 0.0020 m aqueous solution of an ionic compound [Co(NH3)5(NO2)]Cl freezes at $$-$$ 0.00732oC. Number of moles of ions w 9. Given :
(i) Cu2+ + 2e$$-$$ $$ \to $$ Cu, Eo = 0.337 V
(ii) Cu2+ + e$$-$$ $$ \to $$ Cu 10. Half-life period of a first order reaction is 1386 seconds. The specific rate constant of the reaction is 11. Propionic acid with Br2/P yields a dibromo product. Its structure would be 12. In the reaction,
BrO$$_{3(aq)}^ - $$ + 5Br$$_{(aq)}^ - $$ + 6H+ $$ \to $$ 3Br2(l) + 3H2O(l).
The rate of appearan 13. For the reaction A + B $$ \to $$ products, it is observed that
(i) on doubling the initial concentration of A 14. Al2O3 is reduced by electrolysis at low potentials and high currents. If 4.0 $$ \times $$ 104 amperes of current is pass 15. For the reaction, N2 + 3H2 $$ \to $$ 2NH3, if
$${{d\left[ {N{H_3}} \right]} \over {dt}}$$ = 2 $$ \times $$ 10$$-$$4 mol 16. Among the following which is the strongest oxidising agent? 17. The stability of +1 oxidation state among Al, Ga, In and Tl increases in the sequence 18. The straight chain polymer is formed by 19. Which one of the elements with the following outer orbital configurations may exhibit the largest number of oxidation st 20. Out of TiF62$$-$$, CoF63$$-$$, Cu2Cl2 and NiCl42$$-$$ (Z of Ti = 22, Co = 27, Cu = 29, Ni = 28) the colourless species 21. Which of the following does not show optical isomerism?
(en = ethylenediamine) 22. The dissociation constants for acetic acid and HCN at 25oC are 1.5 $$ \times $$ 10$$-$$5 and 4.5 $$ \times $$ 10$$-$$ 23. Maximum number of electrons in a subshell of an atom is determined by the following 24. Amongst the elements with following electronic configurations, which one of them may have the highest ionisation energy 25. Which of the following is not permissible arrangement of electrons in an atom ? 26. In which of the following molecules/ions BF3, NO$$_2^ - $$, NH$$_2^ - $$ and H2O, the central atom is sp2 hybridised? 27. What is the dominant intermolecular force or bond that must be overcome in converting liquid CH3OH to a gas? 28. According to MO theory which of the lists ranks the nitrogen species in terms of increasing bond order ? 29. The values of $$\Delta $$H and $$\Delta $$S for the reaction,
C(graphite) + CO2(g) $$ \to $$ 2CO(g)
are 170 30. From the following bond energies :
H $$-$$ H bond energy : 431.37 kJ mol$$-$$1
C $$=$$ C bond ene 31. Which of the following molecules acts as a Lewis acid? 32. What is the [OH$$-$$] in the final solution prepared by mixing 20.0 mL of 0.050 M HCl with 30.0 mL of 0.10 M Ba(OH)2? 33. The ionization constant of ammonium hydroxide is 1.77 $$ \times $$ 10$$-$$5 at 298 K. Hydrolysis constant of ammonium ch 34. The IUPAC name of the compound having the formula
CH$$ \equiv $$C$$-$$CH$$=$$CH2 is 35. Which of the following compounds will exhibit cis-trans (geometrical) isomerism? 36. The state of hybridisation of C2, C3, C5 and C6 of the hydrocarbon,
is in the following sequence 37. Benzene reacts with CH3Cl in the presence of anhydrons AlCl3 to form 38. HOCH2CH2OH on heating with periodic acid gives 39. Consider the following reaction :
the product Z is 40. Which of the following reactions is an example of nucleophilic substitution reaction? 41. Consider the following reaction :
the product Z is 42. Oxidation numbers of P in PO$$_4^{3 - }$$, of S in SO$$_4^{2 - }$$ and that of Cr in Cr2O$$_7^{2 - }$$ are respectively 43. Trichloroacetaldehyde, CCl3CHO reacts with chlorobenzene in presence of sulphuric acid and produces
Physics
1. Power dissipated in an LCR series circuit connected to an A.C. source of emf $$\varepsilon $$ is 2. See the electrical circuit shown in this figure. Which of the following equations is a correct equation for it ?
3. The mean free path of electrons in a metal is 4 $$ \times $$ 10$$-$$8 m. The electric field which can give on an average 4. A bar magnet having a magnetic moment of 2 $$ \times $$ 104 J T$$-$$1 is free to rotate in a horizontal plane. A horizon 5. A galvanometer havings a coil resistance of 60 $$\Omega $$ shows full scale deflection when a current of 1.0 amp passes 6. Under the influence of a uniform magnetic field, a charged particle moves with constant speed v in a circle of radius R. 7. A student measures the terminal potential difference (V) of a cell (of emf $$\varepsilon $$ and internal resistance r) a 8. The magnetic force acting on a charged particle of charge $$-$$2 $$\mu $$C in a magnetic frield of 2 T acting in y direc 9. A wire of resistance 12 ohms per meter is bent to form a complete circle of radius 10 cm. The resistance between its two 10. If a diamagnetic substance is brought near the north or the south pole of a bar magnet, it is 11. The electric field part of an electromagnetic wave in a medium is represented by Ex = 0;
$${E_y} = 2.5{N \over C}\cos \l 12. A conducting circular loop is placed in a uniform magnetic field 0.04 T with its plane perpendicular to the magnetic fie 13. A rectangular, a square, a circular and an elliptical loop, all in the (x-y) plane, are moving out of a uniform magnetic 14. Three concentric spherical shells have radii a, b and c (a < b < c) anf have surface charge densities $$\sigma $$, 15. The figure shows a plot of photo current versus anode potential for a photo sensitive surface for three different radiat 16. Monochromatic light of wavelength 667 nm is produced by a helium neon laser. The power emitted is 9 mW. The number of ph 17. The number of photo electrons emitted for light of a frequency $$\upsilon $$ (higher than the threshold frequency $${\up 18. The symbolic representation of four logic gates are given below
The logic symbols for OR, NOT and NAND gates are respec 19. A p-n photodiode is fabricated from a semiconductor with a band gap of 2.5 eV. It can detect a signal of wavelength 20. In a Rutherford scattering experiment when a projectile of charge z1 and mass M1 approaches a target nucleus of charge z 21. Sodium has body centred packing. Distance between two nearest atoms is 3.7 $$\mathop A\limits^ \circ $$. The lattice p 22. The ionization energy of the electron in the hydrogen atom in its ground state is 13.6 eV. The atoms are excited to high 23. A black body at 227oC radiates heat at the rate of 7 cals/cm2s. At a temperature of 727oC, the rate of heat radiated in 24. A particle starts its motion from rest under the action of a constant force. If the distance covered in first 10 seconds 25. If the dimensions of a physical quantity are given by MaLbTc, then the physical quantity will be 26. A body, under the action of a force $$\overrightarrow F = 6\widehat i - 8\widehat j + 10\widehat k,$$ acquires an acce 27. The mass of a lift is 2000 kg. When the tension in the supporting cable is 28000 N, then its acceleration is : 28. Two bodies of mass 1 kg and 3 kg have position vectors $$\widehat i + 2\widehat j + \widehat k$$ and $$ - 3\widehat i - 29. A body of mass 1 kg is thrown upwards with a velocity 20 m/s. It momentarily comes to rest after attaining a height of 1 30. A thin circular ring of mass M and radius R is rotating in a horizontal plane about an axis vertical to its plane with a 31. Four identical thin rods each of mass M and length $$l$$, form a square frame. Moment of inertia of this frame about an 32. If $$\overrightarrow F $$ is the force acting on a particle having position vector $$\overrightarrow r $$ and $$\overrig 33. A block of mass M is attached to the lower end of a vertical spring. The spring is hung from a ceiling and has force con 34. An engine pumps water continuously through a hose. Water leaves the hose with a velocity v and m is the mass per unit le 35. An explosion blows a rock into three parts. Two parts go off at right angles to each other. These two are, 1 kg first pa 36. The two ends of a rod of length L and a uniform cross-sectional area A are Kept at two temperatures T1 and T2 (T1 > T 37. The figure shows elliptical orbit of a planet m about the sun S. The shaded area SCD is twice the shaded area SAB. If t1 38. The internal energy change in a system that has absorbed 2 kcal of heat and done 500 J of work is 39. Each of the two strings of length 51.6 cm and 49.1 cm are tensioned separately by 20 N force. Mass per unit length of bo 40. Which one of the following equations of motion represents simple harmonic motion ?
where k, k0, k1 and a are all positi 41. In thermodynamic processes which of the following statements is not true ? 42. A simple pendulum performs simple harmonic motion about x = 0 with an amplitude a and time period T. The speed of the pe 43. A wave in a string has an amplitude of 2 cm. The wave travels in the +ve direction of x axis with a speed of 128 m/s. an 44. Three capacitors each of capacitance C and of breakdown voltage V are joined in series. The capacitance and breakdown vo 45. The electric potential at a point (x, y, z) is given by V = $$-$$x2y $$-$$ xz3 + 4
The electric field at that point is 46. A bus is moving with a speed of 10 ms$$-$$1 on a straight road. A scooterist wishes to overtake the bus in 100 s. If the
1
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Four identical thin rods each of mass M and length $$l$$, form a square frame. Moment of inertia of this frame about an axis through the centre of the square and perpendicular to its plane is
A
$${2 \over 3}M{l^2}$$
B
$${{13} \over 3}M{l^2}$$
C
$${1 \over 3}M{l^2}$$
D
$${4 \over 3}M{l^2}$$
2
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
If $$\overrightarrow F $$ is the force acting on a particle having position vector $$\overrightarrow r $$ and $$\overrightarrow \tau $$ be the torque of this force about the origin, then
A
$$\overrightarrow r .\overrightarrow \tau > 0$$ and $$\overrightarrow F .\overrightarrow \tau < 0$$
B
$$\overrightarrow r .\overrightarrow \tau = 0$$ and $$\overrightarrow F .\overrightarrow \tau = 0$$
C
$$\overrightarrow r .\overrightarrow \tau = 0$$ and $$\overrightarrow F .\overrightarrow \tau \ne 0$$
D
$$\vec r.\vec \tau \ne 0$$ and $$\overrightarrow F .\overrightarrow \tau = 0$$
3
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
A block of mass M is attached to the lower end of a vertical spring. The spring is hung from a ceiling and has force constant value k. The mass is released from rest with the spring initially unstretched. The maximum extension produced in the length of the spring will be
A
2Mg/k
B
4Mg/k
C
Mg/2k
D
Mg/k
4
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
An engine pumps water continuously through a hose. Water leaves the hose with a velocity v and m is the mass per unit length of the water jet. What is the rate at which kinetic energy is imparted to water?
A
mv3
B
$${1 \over 2}m{v^2}$$
C
$${1 \over 2}{m^2}{v^2}$$
D
$${1 \over 2}m{v^3}$$
Paper Analysis
Total Questions
Biology 86
Chemistry 43
Physics 46
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