Biology
1. Phylogenetic system of classification is based on 2. Which one is the wrong pairing for the disease and its causal organism? 3. Which of the following is a symbiotic nitrogen fixer? 4. T.O. Diener discovered a 5. Oxygenic photosynthesis occurs in 6. Which one of the following is a vascular cryptogam? 7. Mannitol is the stored food in 8. Which one of the following is considered important in the development of seed habit? 9. Which one of the following has haplontic life cycle? 10. Which one of the following plants is monoecious? 11. If a live earthworm is pricked with a needle on its outer surface without damaging its gut, the fluid that comes out is 12. Which one of the following groups of animals is bilaterally symmetrical and triploblastic? 13. Which one of the following pairs of animals comprises 'jawless fishes'? 14. A fruit developed from hypanthodium inflorescence is called 15. Cotyledons and testa respectively are edible parts in 16. An examples of a seed with endosperm, perisperm, and caruncle is 17. An example of axile placentation is 18. The floral formula
is that of 19. Synapsis occurs between 20. Given below is a schematic break-up of the phases/stages of cell cycle. Which one of the following is the correct indica 21. Guard cells help in 22. Manganese is required in 23. Cyclic photophosphorylation results in the formation of 24. Stroma in the chloroplasts of higher plant contains 25. Aerobic respiratory pathway is appropriately termed 26. One of the synthetic auxin is 27. Which one of the following acids is a derivative of carotenoids? 28. When breast feeding is replaced by less nutritive food low in proteins and calories; the infants below the age of one ye 29. A young infant may be feeding entirely on mother's milk which is white in colour but the stools which the infant passes 30. Which one of the following statements is true regarding digestion and absorption of food in humans? 31. Which one of the following pairs of food components in humans reaches the stomach totally undigested? 32. The haemoglobin of a human foetus 33. What is vital capacity of our lungs? 34. There is no DNA in 35. In a standard ECG which one of the following alphabets is the correct representation of the respective activity of the h 36. Compared to blood our lymph has 37. Globulins contained in human blood plasma are primarily involved in 38. Uric acid is the chief nitrogenous component of the excretory products of 39. What will happen if the stretch receptors of the urinary bladder wall are totally removed? 40. Elbow joint is an example of 41. Which one of the following is the correct matching of three items and their grouping category? 42. Which part of human brain is concerned with the regulation of body temperature? 43. Alzheimer's disease in humans is associated with the deficiency of 44. A health disorder that results from the deficiency of thyroxine in adults and characterised by (i) a low metabolic rate, 45. Vegetative propagation in mint occurs by 46. Which one of the following is the correct matching
of the events occurring during menstrual cycle ? 47. Given below is a diagrammatic sketch for a
portion of human male reproductive system.
Select the correct set of the name 48. Seminal plasma in humans is rich in : 49. The correct sequence of spermatogenetic stages
leading to the formation of sperms in a mature
human testis is : 50. Foetal ejection reflex in human female is induced by 51. Which one of the following is the most likely
root cause why menstruation is not taking place
in regularly cycling human 52. A change in the amount of yolk and its
distribution in the egg will effect : 53. Select the incorrect statement from the
following : 54. Sickle-cell anemia is : 55. The genetic defect-adenosine deaminase (ADA)
deficiency may be cured permanently by 56. The most popularly known blood grouping is
the ABO grouping. It is named ABO and not
ABC, because "O" in it refers to ha 57. Study the pedigree chart given below :
What does it show ? 58. Semi-conservative replication of DNA was first
demonstrated in : 59. Whose experiments cracked the DNA and
discovered unequivocally that a genetic code is a
"triplet" ? 60. Removal of introns and joining the exons in a
defined order in a transcription unit is called : 61. What is not true for genetic code? 62. Peripatus is a connecting link between : 63. In the case of peppered moth (Biston betularia)
the black-coloured from became dominant over
the light-coloured form in 64. Which of following is a pair of viral diseases ? 65. Which one of the following statement is
correct ? 66. Somaclones are obtained by : - 67. Polyethylene glycol method is used for : 68. Which of the following is not used as a
biopesticide ? 69. Which one of the following pairs is wrongly
matched ? 70. Which one of the following is commonly used in
transfer of foreign DNA into crop plants ? 71. What is true about Bt toxin ? 72. Transgenic plants are the ones - 73. The bacterium Bacillus thuringiensis is widely
used in contemporary biology as - 74. What is antisense technology? 75. A country with a high rate of population growth
took measures to reduce it. The figure below
shows age-sex pyramids of p 76. Reduction in vascular tissue, mechanical tissue
and cuticle is characteristic of : 77. The correct sequence of plants in hydrosere is : 78. Which one of the following types organisms
occupy more than one trophic level in a pond
ecosystem ? 79. Which one of the following has maximum
genetic diversity in India ? 80. Tiger is not a resident in which one of the
following National Park ? 81. Global agreement in specific control strategies to
reduce the release of ozone depleting substances,
was adopted by : 82. Step taken by the Government of India to control
air pollution include : 83. Biochemical Oxygen Demand (BOD) in a river
water : 84. Montreal protocol aims at : 85. Chipko movement was launched for the
protection of - 86. DDT residues are rapidly passed through food
chain causing biomagnification because DDT is : 87. Palisade parenchyma is absent in leaves of - 88. In barley stem vascular bundles are - 89. The annular and spirally thickened conducting
elements generally develop in the protoxylem
when the root or stem is - 90. Anatomically fairly old dicotyledonous root is
distinguished from the dicotyledonous stem by : 91. The cell junctions called tight, adhering and gap
junctions are found in : 92. Which one of the following correctly described
the location of some body parts in the earthworm
Pheretima ? 93. The kind of tissue that forms the supportive
structure in our pinna (external ears) is also
found in - 94. The epithelial tissue present on the inner surface
of bronchioles and fallopian tubes is : 95. Which one of the following is correct pairing of
a body part and like kind of muscle tissue that
moves it ? 96. Middle lamella is composed mainly of : 97. Plasmodesmata are : 98. Cytoskeleton is made up of :
Chemistry
1. 10 g of hydrogen and 64 g of oxygen were filled in a steel vessel and exploded. Amount of water produced in this reacti 2. Maximum number of electrons in a subshell of an atom is determined by the following 3. Which of the following is not permissible arrangement of electrons in an atom ? 4. Amongst the elements with following electronic configurations, which one of them may have the highest ionisation energy 5. What is the dominant intermolecular force or bond that must be overcome in converting liquid CH3OH to a gas? 6. According to MO theory which of the lists ranks the nitrogen species in terms of increasing bond order ? 7. In which of the following molecules/ions BF3, NO$$_2^ - $$, NH$$_2^ - $$ and H2O, the central atom is sp2 hybridised? 8. The energy absorbed by each molecule (A2) of a substance is 4.4 $$ \times $$ 10$$-$$19 J and bond energy per molecule is 9. The values of $$\Delta $$H and $$\Delta $$S for the reaction,
C(graphite) + CO2(g) $$ \to $$ 2CO(g)
are 170 10. From the following bond energies :
H $$-$$ H bond energy : 431.37 kJ mol$$-$$1
C $$=$$ C bond ene 11. The dissociation constants for acetic acid and HCN at 25oC are 1.5 $$ \times $$ 10$$-$$5 and 4.5 $$ \times $$ 10$$-$$ 12. 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? 13. The ionization constant of ammonium hydroxide is 1.77 $$ \times $$ 10$$-$$5 at 298 K. Hydrolysis constant of ammonium ch 14. Which of the following molecules acts as a Lewis acid? 15. The IUPAC name of the compound having the formula
CH$$ \equiv $$C$$-$$CH$$=$$CH2 is 16. The state of hybridisation of C2, C3, C5 and C6 of the hydrocarbon,
is in the following sequence 17. Benzene reacts with CH3Cl in the presence of anhydrons AlCl3 to form 18. Which of the following compounds will exhibit cis-trans (geometrical) isomerism? 19. Which of the following reactions is an example of nucleophilic substitution reaction? 20. Consider the following reaction :
the product Z is 21. HOCH2CH2OH on heating with periodic acid gives 22. Consider the following reaction :
the product Z is 23. Oxidation numbers of P in PO$$_4^{3 - }$$, of S in SO$$_4^{2 - }$$ and that of Cr in Cr2O$$_7^{2 - }$$ are respectively 24. In the case of alkali metals, the covalent character decreases in the order 25. Which of the following oxides is not expected to react with sodium hydroxide? 26. Trichloroacetaldehyde, CCl3CHO reacts with chlorobenzene in presence of sulphuric acid and produces 27. Propionic acid with Br2/P yields a dibromo product. Its structure would be 28. Nitrobenzene can be prepared from benzene by using a mixture of conc. HNO3 and conc. H2SO4. In the mixture, nitric acid 29. Predict the product.
30. The segment of DNA which acts as the instrumental manual for the synthesis of the protein is 31. Which of the following hormones contains iodine? 32. Structures of some common polymers are given. Which one is not correctly presented? 33. Lithium metal crystallises in a body-centred cubic crystal. If the length of the side of the unit cell of lithium is 351 34. Copper crystallises in a face-centred cubic lattice with a unit cell length of 361 pm. What is the radius of copper atom 35. 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 36. Al2O3 is reduced by electrolysis at low potentials and high currents. If 4.0 $$ \times $$ 104 amperes of current is pass 37. The equivalent conductance of M/32 solution of a weak monobasic acid is 8.0 mho cm2 and at infinite dilution is 400 mho 38. Given :
(i) Cu2+ + 2e$$-$$ $$ \to $$ Cu, Eo = 0.337 V
(ii) Cu2+ + e$$-$$ $$ \to $$ Cu 39. For the reaction, N2 + 3H2 $$ \to $$ 2NH3, if
$${{d\left[ {N{H_3}} \right]} \over {dt}}$$ = 2 $$ \times $$ 10$$-$$4 mol 40. In the reaction,
BrO$$_{3(aq)}^ - $$ + 5Br$$_{(aq)}^ - $$ + 6H+ $$ \to $$ 3Br2(l) + 3H2O(l).
The rate of appearan 41. For the reaction A + B $$ \to $$ products, it is observed that
(i) on doubling the initial concentration of A 42. Half-life period of a first order reaction is 1386 seconds. The specific rate constant of the reaction is 43. The stability of +1 oxidation state among Al, Ga, In and Tl increases in the sequence 44. The straight chain polymer is formed by 45. Among the following which is the strongest oxidising agent? 46. Which one of the elements with the following outer orbital configurations may exhibit the largest number of oxidation st 47. Which one of the following is employed as a tranquilizer? 48. Which of the following does not show optical isomerism?
(en = ethylenediamine) 49. Which of the following complex ions is expected to absorb visible light?
(At. nos. Zn = 30, Sc = 21, Ti = 22, Cr = 24) 50. Out of TiF62$$-$$, CoF63$$-$$, Cu2Cl2 and NiCl42$$-$$ (Z of Ti = 22, Co = 27, Cu = 29, Ni = 28) the colourless species
Physics
1. If the dimensions of a physical quantity are given by MaLbTc, then the physical quantity will be 2. 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 3. A particle starts its motion from rest under the action of a constant force. If the distance covered in first 10 seconds 4. The mass of a lift is 2000 kg. When the tension in the supporting cable is 28000 N, then its acceleration is : 5. A body, under the action of a force $$\overrightarrow F = 6\widehat i - 8\widehat j + 10\widehat k,$$ acquires an acce 6. 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 7. 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 8. 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 9. An engine pumps water continuously through a hose. Water leaves the hose with a velocity v and m is the mass per unit le 10. 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 11. Two bodies of mass 1 kg and 3 kg have position vectors $$\widehat i + 2\widehat j + \widehat k$$ and $$ - 3\widehat i - 12. If $$\overrightarrow F $$ is the force acting on a particle having position vector $$\overrightarrow r $$ and $$\overrig 13. Four identical thin rods each of mass M and length $$l$$, form a square frame. Moment of inertia of this frame about an 14. 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 15. 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 16. 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 17. In thermodynamic processes which of the following statements is not true ? 18. The internal energy change in a system that has absorbed 2 kcal of heat and done 500 J of work is 19. A simple pendulum performs simple harmonic motion about x = 0 with an amplitude a and time period T. The speed of the pe 20. Which one of the following equations of motion represents simple harmonic motion ?
where k, k0, k1 and a are all positi 21. 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 22. The driver of a car travelling with speed 30 m/s towards a hill sounds a horn of frequency 600 Hz. If the velocity of so 23. 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 24. Three concentric spherical shells have radii a, b and c (a < b < c) anf have surface charge densities $$\sigma $$, 25. Three capacitors each of capacitance C and of breakdown voltage V are joined in series. The capacitance and breakdown vo 26. The electric potential at a point (x, y, z) is given by V = $$-$$x2y $$-$$ xz3 + 4
The electric field at that point is 27. See the electrical circuit shown in this figure. Which of the following equations is a correct equation for it ?
28. A wire of resistance 12 ohms per meter is bent to form a complete circle of radius 10 cm. The resistance between its two 29. The mean free path of electrons in a metal is 4 $$ \times $$ 10$$-$$8 m. The electric field which can give on an average 30. A student measures the terminal potential difference (V) of a cell (of emf $$\varepsilon $$ and internal resistance r) a 31. The magnetic force acting on a charged particle of charge $$-$$2 $$\mu $$C in a magnetic frield of 2 T acting in y direc 32. A galvanometer havings a coil resistance of 60 $$\Omega $$ shows full scale deflection when a current of 1.0 amp passes 33. Under the influence of a uniform magnetic field, a charged particle moves with constant speed v in a circle of radius R. 34. If a diamagnetic substance is brought near the north or the south pole of a bar magnet, it is 35. A bar magnet having a magnetic moment of 2 $$ \times $$ 104 J T$$-$$1 is free to rotate in a horizontal plane. A horizon 36. A rectangular, a square, a circular and an elliptical loop, all in the (x-y) plane, are moving out of a uniform magnetic 37. A conducting circular loop is placed in a uniform magnetic field 0.04 T with its plane perpendicular to the magnetic fie 38. Power dissipated in an LCR series circuit connected to an A.C. source of emf $$\varepsilon $$ is 39. The electric field part of an electromagnetic wave in a medium is represented by Ex = 0;
$${E_y} = 2.5{N \over C}\cos \l 40. The number of photo electrons emitted for light of a frequency $$\upsilon $$ (higher than the threshold frequency $${\up 41. Monochromatic light of wavelength 667 nm is produced by a helium neon laser. The power emitted is 9 mW. The number of ph 42. The figure shows a plot of photo current versus anode potential for a photo sensitive surface for three different radiat 43. In the nuclear decay given below
$${}_Z^AX \to {}_{Z + 1}^AY \to {}_{Z - 1}^{A - 4}B{}^ * \to {}_{Z - 1}^{A - 4}B,$$
th 44. In a Rutherford scattering experiment when a projectile of charge z1 and mass M1 approaches a target nucleus of charge z 45. The ionization energy of the electron in the hydrogen atom in its ground state is 13.6 eV. The atoms are excited to high 46. The number of beta particles emitted by a radioactive substance is twice the number of alpha particles emitted by it. Th 47. The symbolic representation of four logic gates are given below
The logic symbols for OR, NOT and NAND gates are respec 48. A transistor is operated in common-emitter configuration at VC = 2V such that a change in the base current from 100 $$\m 49. A p-n photodiode is fabricated from a semiconductor with a band gap of 2.5 eV. It can detect a signal of wavelength 50. Sodium has body centred packing. Distance between two nearest atoms is 3.7 $$\mathop A\limits^ \circ $$. The lattice p
1
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Whose experiments cracked the DNA and
discovered unequivocally that a genetic code is a
"triplet" ?
A
Nirenberg and Mathaei
B
Morgan and Sturtevant
C
Hershey and Chase
D
Beadle and Tatum
2
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Removal of introns and joining the exons in a
defined order in a transcription unit is called :
A
Transformation
B
Capping
C
Splicing
D
Tailing
3
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
What is not true for genetic code?
A
It is nearly universal
B
A codon in mRNA is read in a noncontiguous fashion
C
It is degenerate
D
It is unambiguous
4
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Peripatus is a connecting link between :
A
Ctenophora and Platyhelminthes
B
Mollusca and Echinodermata
C
Coelenterata and Porifera
D
Annelida and Arthropoda
Paper analysis
Total Questions
Biology
98
Chemistry
50
Physics
50
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