Biology
1. The contractile protein of skeletal muscle involving ATPase activity is 2. During photorespiration, the oxygen consuming reaction(s) occur in 3. How many ATP molecules could maximally be generated from one molecule of glucose, if the complete oxidation of one mole 4. An enzyme that can stimulate germination of barley seeds is 5. Farmers in a particular region were concerned that pre-mature yellowing of leaves of a pulse crop might cause decrease i 6. How does pruning help in making the hedge dense? 7. Treatment of seeds at low temperature under moist conditions to break its dormancy is called 8. The majority of carbon dioxide produced by our body cells is transported to the lungs as 9. Which one of the following statements is incorrect? 10. People living at sea level have around 5 million RBC per cubic millimeter of their blood whereas those living at altitud 11. Which one of the following has an open circulatory system? 12. Angiotensinogen is a protein produced and secreted by 13. In photosystem I, the first electron acceptor is 14. Which one of the following does not act as a neurotransmitter? 15. Bowman's glands are found in 16. Which hormone causes dilation of blood vessels, increased oxygen consumption and glucogenesis? 17. Which of the following is an accumulation and release center of neurohormones? 18. A steroid hormone which regulates glucose metabolism is 19. Which one of the following is not a secondary messenger in hormone action? 20. Which one of the following statements is correct? 21. The arrangement of the nuclei in a normal embryo sac in the dicot plants is 22. In a cereal grain the single cotyledon of embryo is represented by 23. Parthenocarpic tomato fruits can be produced by 24. Sertoli cells are regulated by the pituitary
hormone known as- 25. Which one of the following is not a living fossil? 26. Curing of tea leaves is brought about by the activity of 27. Which of the following environmental conditions are essential for optimum growth of Mucor on a piece of bread?
A. 28. In a moss, the sporophyte 29. Peat moss is used as a packing material for sending flowers and live plants to distant places because 30. Conifers differ from grasses in the 31. Two common characters found in centipede, cockroach, and crab are 32. Biradial symmetry and lack of cnidoblasts are the characteristic of 33. In which one of the following sets of animals do all the four give birth to young ones? 34. Withdrawal of which of the following hormones
is the immediate cause of menstruation ? 35. Annual migration does not occur in the case of 36. Which one of the following is a matching set of a phylum and its three examples? 37. Metameric segmentation is the characteristic of 38. What is common about Trypanosoma, Noctiluca, Monocystis and Giardia? 39. Pentamerous actinomorphic flowers, bicarpellary ovary with oblique septa, and fruit capsule or berry, are characteristic 40. In which of the following fruits, the edible part is the aril ? 41. Pineapple (ananas) fruit develops from 42. Long filamentous threads protruding at the end of a young cob of maize are 43. An organic substance bound to an enzyme and essential for its activity is called 44. Which one of the following is not included
under in-situ conservation ? 45. Restriction endonuclease - 46. Two microbes found to be very useful in
genetic engineering are- 47. Golden rice is a promising transgenic crop.
When released for cultivation, it will help in 48. Niche overlap indicates- 49. Which one of the following is not used for
construction of ecological pyramids ? 50. Which of the following pairs of an animal and a
plant represents endangered organisms in India ? 51. Which of the following is considered a hot-spot
of biodiversity in India ? 52. A person showing unpredictable moods,
outbursts of emotion, quarrelsome behaviour
and conflicts with others is suffering 53. Which one of the following is the correctly
matched pair of an endangered animal and a
National Park ? 54. A common structural feature of vessel elements
and sieve tube elements is- 55. Areolar connective tissue joins- 56. Mast cells secrete- 57. Earthworms are - 58. Which of the following statements regarding
mitochondrial membrane is not correct ? 59. A major breakthrough in the studies of cells
came with the development of electron
microscope. This is because 60. Which of the following statements regarding
cilia is not correct ? 61. One gene-one enzyme hypothesis was
postulated by - 62. The formula for exponential population growth is- 63. Both sickle cell anemia and Huntington's chorea
are- 64. Test cross involves- 65. If a colour blind woman marries a normal visioned
man, their sons will be 66. Sickle cell anaemia has not been eliminated from
the African population because- 67. In Mendel's experiments with garden pea, round
seed shape (RR) was dominant over wrinkled
seeds (rr), yellow cotyledon ( 68. Cri-du-chat syndrome in humans is caused by
the- 69. How many different kinds of gametes will be
produced by a plant having the genotype
AABbCC ? 70. Which one of the following is an example of
polygenic inheritance ? 71. Phenotype of an organism is the result of- 72. One turn of the helix in a B-form DNA is
approximately - 73. Antiparallel strands of a DNA molecule means
that- 74. Which antibiotic inhibits interaction between
tRNA and mRNA during bacterial protein
synthesis ? 75. Amino acid sequence, in protein synthesis is
decided by the sequence of - 76. An important evidence in favour of organic
evolution is the occurrence of- 77. Which one of the following amino-acids was not
found to be synthesized in Miller's experiment ? 78. Jurassic period of the Mesozoic era
characterized by- 79. Praying mantis is a good example of- 80. The bacterium (Clostridium botulinum) that
causes botulism is- 81. The causative agent of mad-cow disease is a- 82. HIV that causes AIDS, first starts destroying 83. Antibodies in our body are complex-
Chemistry
1. More number of oxidation states are exhibited by the actinoids than by the lanthanoids. The main reason for this is 2. [Cr(H2O)6]Cl3 (At. no. of Cr = 24) has a magnetic momen of 3.83 B.M. The correct distribution of 3d electrons in the ch 3. [Co(NH3)4(NO2)2]Cl exhibits 4. Copper sulphate dissolves in excess of KCN to give 5. In a set of reactions propionic acid yielded a compound D.
The structure of D would be 6. Which of the following is more basic than aniline? 7. Which one of the following is a peptide hormone? 8. The human body does not produce 9. During the process of digestion, the proteins present in food materials are hydrolysed to amino acids. The two enzymes i 10. During osmosis, flow of water through a semipermeable membrane is 11. A solution of acetone in ethanol 12. A solution containing 10 g per dm3 of urea (molecular mass = 60 g mol$$-$$1) is isotonic with a 5% solution of a nonvola 13. 1.00 g of a non-electrolyte solute (molar mass 250 g mol$$-$$1) was dissolved in 51.2 g of benzene. If the freezing poin 14. Self condensation of two moles of ethyl acetate in presence of sodium ethoxide yields 15. EoFe2+/Fe = $$-$$ 0.441 V and EoFe3+/Fe2+ = 0.771 V, the standard EMF of the reaction Fe + 2Fe3+ $$ \to $$ 3Fe2+ will be 16. A hypothetical electrochemical cell is shown below.
$$A\left| {{A^ + }\left( {xM} \right)} \right|\left| {{B^ + }\left( 17. Consider the reaction : N2(g) + 3H2(g) $$ \to $$ 2NH3(g)
The equality relationship between $${{d\left[ {N{H_3 18. For the reaction, 2A + B $$ \to $$ 3C + D, which of the following does not express the reaction rate? 19. Which of the following is the most basic oxide? 20. The correct order regarding the electronegativity of hybrid orbitals of carbon is 21. The electronegativity difference berween N and F is greater than that between N and H yet the dipole moment of NH3 (1.5D 22. Which one of the following orders is not in accordance with the property stated against it? 23. In which of the following molecules are all the bonds are not equal? 24. In which of the following pairs are both the ions coloured in aqueous solution?
(At. no. : Sc = 21, Ti = 22, Ni = 28, 25. Which of the following pairs constitutes a buffer? 26. The orientation of an atomic orbital is governed by 27. Given : The mass of electron is 9.11 $$ \times $$ 10$$-$$31 kg, Planck constant is 6.626 $$ \times $$ 10$$-$$34 J s, the 28. Which one of the following orders is not in accordance with the property stated against it ? 29. Which of the following is not a correct statement? 30. Which of the following is not isostructural with SiCl4 ? 31. Which of the following species has a linear shape? 32. Identify the correct statement for change of Gibb's energy for a system ($$\Delta $$Gsystem) at constant temperature and 33. The enthalpy and entropy change for the reaction:
Br2(l) + Cl2(g) $$ \to $$ 2BrCl(g)
are 30 kJ mol$$-$$1 and 105 J K$ 34. The enthalpy of hydrogenation of cyclohexene is is $$-$$ 119.5 kJ mol$$-$$1. If resonance energy of benzene is $$-$$ 150 35. Assume each reaction is carried out in an open container. For which reaction will $$\Delta $$H = $$\Delta $$E ? 36. The hydrogen ion concentration of a 10$$-$$8 M, HCl aqueous solution at 298 K (Kw = 10$$-$$14) is 37. For the reaction :
CH4(g) + 2O2(g) $$\rightleftharpoons$$ CO2(g) + 2H2O(l),
$$\Delta $$Hr = $$-$$ 170.8 kJ mol$$-$$1. 38. The general molecular formula, which represents the homologous series of alkanols is 39. The IUPAC name of
is 40. Which of the following is not chiral? 41. The general molecular formula, which represents the homologous series of alkanols is 42. Ethylene oxide when treated with Grignard reagent yields 43. The major organic product in the reaction is
CH3 $$-$$ O $$-$$ CH(CH3)2 + HI $$ \to $$ products 44. A carbonyl compound reacts with hydrogen cyanide to form cyanohydrin which on hydrolysis forms a racemic mixture of $$\a 45. Nucleophilic addition reaction will be most favoured in
Physics
1. A transistor-oscillator using a resonant circuit with an inductor L (of negligible resistance) and a capacitor C in seri 2. A square surface of side L metres is in the plane of the paper. A uniform electric field $$\overrightarrow E $$ (volt/m) 3. In the circuit shown, if a conducting wire is connected between points A and B, the current in this wire will
4. Two cells, having the same e.m.f. are connected in series through an external resistance R. Cells have internal resistan 5. Kirchoff's first and second laws of electrical circuits are consequences of 6. Power dissipated across the 8 $$\Omega $$ resistor in the circuit shown here is 2 watt. The power dissipated in watt uni 7. Two circular coils 1 and 2 are made from the same wire but the radius of the 1st coil is twice that of the 2nd coil. Wha 8. When a charged particle moving with velocity $$\overrightarrow v $$ is subjected to a magnetic field of induction $$\ove 9. Curie temperature above which 10. Two coils of self inductance 2 mH and 8 mH are placed so close together that the effective flux in one coil is completel 11. A coil of inductive reactance 31 $$\Omega $$ has a resistance of 8 $$\Omega $$. It is placed in series with a condenser 12. The core of a transformer is laminated because 13. An electric dipole of moment $$\overrightarrow p $$ is lying along a uniform electric field $$\overrightarrow E $$. The 14. A microscope is focussed on a mark on a piece of paper and then a slab of glass of thickness 3 cm and refractive index 1 15. A convex lens and a concave lens, each having same focal length of 25 cm, are put in contact to form a combination of le 16. A photocell employs photoelectric effect to convert 17. When photons of energy h$$\upsilon $$ fall on an aluminimum plate (of work function E0), photoelectrons of maximum kinet 18. In a discharge tube ionization of enclosed gas is produced due to collisions between 19. The momentum of a photon of energy 1 MeV in kg m/s will be 20. Ionization potential of hydrogen atom is 13.6 eV. Hydrogen atoms in the ground state are excited by monochromatic radiat 21. The binding energy of deuteron is 2.2 MeV and that of $${}_2^4$$He is 28 MeV. If two deuterons are fused to form one $${ 22. The following figure shows a logic gate circuit with two inputs A and B and the output C.
The voltage waveforms of A, 23. A tube of length L is filled completely with an incompressible liquid of mass M and closed at both the ends. The tube is 24. Two bodies A (of mass 1 kg) and B (of mass 3 kg) are dropped from heights of 16 m and 25 m, respectively. The ratio of t 25. A particle moves along a straight line OX. At a time t (in seconds) the distance x (in metres) of the particle from O is 26. A car runs at a constant speed on a circular track of radius 100 m, taking 62.8 seconds for every circular lap. The aver 27. For angles of projection of a projectile at angle (45o $$-$$ $$\theta $$) and (45o + $$\theta $$), the horizontal range 28. The vectors $$\overrightarrow A $$ and $$\overrightarrow B $$ are such that $$\left| {\overrightarrow A + \overrightar 29. A 0.5 kg ball moving with a speed of 12 m/s strikes a hand wall at an angle of 30o with the wall. It is reflected with t 30. 300 J of work is done in sliding a 2 kg block up an inclined plane of height 10 m. Work done against friction is (Take g 31. The potential energy of a long spring when stretched by 2 cm is U. If the spring is stretched by 8 cm the potential ener 32. A body of mass 3 kg is under a constant force which causes a displacement s in metres in it, given by the relation s = $ 33. 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 34. The moment of inertia of a uniform circular disc of radius R and mass M about an axis touching the disc at its diameter 35. The earth is assumed to be a sphere of radius R. A platform is arranged at a height R from the surface of the earth. The 36. A black body at 1227oC emits radiations with maximum intensity at a wavelength of 5000 $$\mathop A\limits^ \circ $$. If 37. A Carnot engine whose sink is at 300 K has an efficiency of 40%. By how much should the temperature of source be increas 38. The molar specific heat at constant pressure of an ideal gas is (7/2) R. The ratio of specific heat at constant pressur 39. A rectangular block of mass m and area of cross-section A floats in a liquid of density $$\rho $$. If it is given a smal 40. Two vibrating tuning forks produce waves given by y1 = 4 sin 500$$\pi $$t and y2 = 2 sin506 $$\pi $$t. Number of beats p 41. Two sound waves with wavelengths 5.0 m and 5.5. m respectively, each propagate in a gas with velocity 330 m/s. We expect 42. The time of reverberation of a room A is one second. What will be the time (in seconds of reverberation of a room, havin 43. A transverse wave propagating along x-axis is represented by y(x, t) = 8.0 sin (0.5 $$\pi $$x $$-$$ 4$$\pi $$t $$-$$ $$\ 44. Which one of the following statements is true ? 45. A parallel plate air capacitor is charged to a potential difference of V volts. After disconnecting the charging battery 46. Which one of the following represents forward bias diode ? 47. The velocity v of a particle at time t is given by v = at + $${b \over {t + c}}$$, where a, b and c are constants. The d
1
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
How does pruning help in making the hedge dense?
A
It releases wound hormones.
B
It induces the differentiation of new shoots from the rootstock.
C
It frees axillary buds from apical dominance.
D
The apical shoot grows faster after pruning.
2
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Treatment of seeds at low temperature under moist conditions to break its dormancy is called
A
stratification
B
scarification
C
vernalization
D
chelation.
3
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
The majority of carbon dioxide produced by our body cells is transported to the lungs as
A
attached to haemoglobin
B
dissolved in the blood
C
as bicarbonates
D
as carbonates.
4
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Which one of the following statements is incorrect?
A
The principle of countercurrent flow facilitates efficient respiration in gills of fishes.
B
The residual air in lungs slightly decreases the efficiency of respiration in mammals.
C
The presence of non-respiratory air sacs, increases the efficiency of respiration in birds.
D
In insects, circulating body fluids serve to distribute oxygen to tissues.
Paper analysis
Total Questions
Biology
83
Chemistry
45
Physics
47
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