Biology
1. Which one of the following is a non - reducing carbohydrate? 2. During which phase(s) of cell cycle, amount of DNA in a cell remains at 4C level if the initial amount is denoted as 2C? 3. In 'S' phase of the cell cycle 4. The enzyme recombinase is required at which stage of meiosis? 5. In which one of the following processes CO2 is not released? 6. Dr. F. went noted that if coleoptile tips were removed and placed on agar for one hour, the agar would produce a bending 7. A few normal seedlings of tomato were kept in a dark room. After a few days they were found to have become white -colour 8. Which one of the following growth regulators is known as 'stress hormone'? 9. Select the option which is not correct with respect to enzyme action. 10. Approximately seventy percent of carbon-dioxide absorbed by the blood will be transported to the lungs 11. Person with blood group AB is considered as universal recipient because he has 12. How do parasympathetic neutral signals affect the working of the heart? 13. Which of the following causes an increase in sodium reabsorption in the distal convoluted tubule? 14. Select the correct matching of the type of the joint with the example in human skeletal system. 15. Stimulation of a muscle fiber by a motor neuron occurs at 16. Injury localized to the hypothalamus would most likely disrupt 17. Which one of the following statements is not correct? 18. Identify the hormone with its correct matching of source and function. 19. Flight-or-flight reactions cause activation of 20. Male gametophyte with least number of cells is present in 21. Which of the following shows coiled RNA strand and capsomeres? 22. Five kingdom system of classification suggested by R.H. Whittaker is not based on 23. Archaebacteria differ from eubacteria in 24. Viruses have 25. The motile bacteria are able to move by 26. Which structures perform the function of mitochondria in bacteria? 27. Anoxygenic photosynthesis is characteristic of 28. Which one of the following is wrong about Chara? 29. Which one of the following shows isogamy with non-flagellated gametes? 30. Which of the following is responsible for peat formation? 31. Select the taxon mentioned that represents both marine and fresh water species. 32. Which one of the following living organisms completely lacks a cell wall? 33. Planaria possesses high capacity of 34. Planaria possesses high capacity of 35. A marine cartilaginous fish that can produce electric current is 36. Placenta and pericarp are both edible portions in 37. An example of edible underground steam is 38. When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as 39. Which one of the following statements is correct? 40. Given below is the representation of the extent of global diversity of invertebrates. What
groups the four portions (A-D 41. Which vector can clone only a small fragment of DNA ? 42. Commonly used vectors for human genome sequencing are : 43. The first human hormone produced by recombinant DNA technology is : 44. Just as a person moving from Delhi to Shimla to escape the heat for the duration of hot
summer, thousands of migratory b 45. Given below is a simplified model of phosphorus cycling in a terrestrial ecosystem with four
blanks (A-D). Identify the 46. Match the following and select the correct option:
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peacock as food in the followi 48. An example of ex situ conservation is : 49. A species facing extremely high risk of extinction in the immediate future is called : 50. The organization which publishes the Red List of species is : 51. An analysis of chromosomal DNA using the Southern hybridization technique does not use: 52. You are given a fairly old piece of dicot stem and a dicot root. Which of the following
anatomical structures will you u 53. Tracheids differ from other tracheary elements in : 54. Choose the correctly matched pair : 55. Choose the correctly matched pair: 56. The solid linear cytoskeletal elements having a diameter of 6 nm and made up of a single type
of monomer are known as: 57. The osmotic expansion of a cell kept in water is chiefly regulated by: 58. Match the following and select the correct answer :
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branch is shown below?
74. At which stage of HIV infection does one usually show symptoms of AIDS ? 75. To obtain virus−free healthy plants from a diseased one by tissue culture technique, which
part/parts of the diseased pl 76. Which one of the following fungi contains hallucinogens? 77. An alga which can be employed as food for human being is : 78. What gases are produced in anaerobic sludge digesters ?
Chemistry
1. Which of the following complexes is used to be as an anticancer agent? 2. Among the following complexes the one which shows zero crystal field stabilization energy (CFSE) is 3. Among the following sets of reactants which one produces anisole? 4. The pair of compounds that can exist together is 5. (I) H2O2 + O3 $$ \to $$ H2O + 2O2
(II) H2O2 + Ag2O $$ \to $$ 2Ag + H2O + O2
Role of Hy 6. In acidic medium, H2O2 changes Cr2O72- to CrO5 which has two ($$-$$O$$-$$O$$-$$) bonds. Oxidation state of Cr in CrO5 is 7. Which one is most reactive towards nucleophilic addition reaction? 8. In the following reaction, the product (A) is
9. Which of the following will be most stable diazonium salt RN2+X$$-$$? 10. Which of the following hormones is produced under the condition of stress which simulate glycogenlysis in the liver of h 11. D(+)-glucose reacts with hydroxyl amine and yields an oxime. The structure of the oxime would be 12. Which of the following will not be soluble in sodium hydrogen carbonate? 13. Of the following 0.10 m aqueous solutions, which one will exhibit the largest freezing point depression? 14. When 0.1 mol MnO$$_4^{2 - }$$ is oxidised the quantity of electricity required to completely oxidise MnO$$_4^{2 - }$$ to 15. The weight of silver (at. wt. = 108) displaced by a quantity of electricity which displaces 5600 mL of O2 at STP will be 16. Acidity of diprotic acids in aqueous solutions increases in the order 17. The reaction of aqueous KMnO4 with H2O2 in acidic conditions gives 18. Reason of lanthanoid contraction is 19. Magnetic moment 2.83 BM is given by which of the following ions?
(At. nos. Ti = 22, Cr = 24, Mn = 25, Ni = 28) 20. For the reaction, $${X_2}{O_{4\left( l \right)}}\,\, \to \,\,2X{O_{2(g)}}$$
$$\Delta $$U = 2.1 kcal, $$\Delta $$S = 20 21. Equal masses of H2, O2 and methane have been taken in a container of volume V at temperature 27oC in identical condition 22. When 22.4 liters of H2(g) is mixed with 11.2 litres of Cl2(g), each at S.T.P. the moles of HCl(g) formed is equal to 23. 1.0 g of magnesium is burnt with 0.56 g O2 in a closed vessel, Which reactant is left in excess and how much ? (At. wt. 24. What is the maximum number of orbitals that can be identified with the following quantum numbers ?
n = 3, l = 1, m1 = 0 25. Calculate the energy in joule corresponding to light of wavelength 45 nm. (Planck,s constant, h = 6.63 $$ \times $$ 10$$ 26. Be2+ is isoelectronic with which of the following ions ? 27. Which of the following orders of ionic radii is correctly represented ? 28. Which of the following molecules has the maximum dipole moment ? 29. Which one of the following species has plane triangular shape ? 30. Which of the following statements is correct for the spontaneous adsorption of a gas? 31. Which of the following salts will give highest pH in water? 32. Using the Gibb's energy change, $$\Delta $$Go = +63.3 kJ, for the following reaction,
Ag2CO3(s) $$\rightleftharpoons$$ 33. For a given exothermic reaction, Kp and K'p are the equilibrium constants at temperatures T1 and T2, respectively. Ass 34. For the reversible reaction,
N2(g) + 3H2(g) $$\rightleftharpoons$$ 2NH3(g) + heat
The equilibrium shifts in forward 35. In the Kjeldahl's method for estimation of nitrogen present in a soil sample, ammonia evolved from 0.75 g of sample neut 36. What products are formed when the following compound is treated with Br2 in the presence of FeBr3?
37. Identify Z in the sequence of reactions :
38. Which of the following organic compounds has same hybridization as its combustion product (CO2)? 39. Which of the following compounds will undergo racemisation when solution of KOH hydrolyses?
Physics
1. Light with an energy flux of 25 $$ \times $$ 104 W m$$-$$2 falls on a perfectly reflecting surface at normal incidence. 2. A conducting sphere of radius R is given a charge Q. The electric potential and the electric field at the centre of the 3. Two thin dielectric slabs of dielectric constants K1 and K2(K1 < K2) are inserted between plates of a parallel plate 4. The resistances in the two arms of the meter bridge are 5 $$\Omega $$ and R$$\Omega $$ respectively. When the resistance 5. A potentiometer circuit has been set up for finding the internal resistance of a given cell. The main battery, used acro 6. Two cities are 150 km apart. Electric power is sent from one city to another city through copper wires. The fall of pote 7. Two identical long conducting wires $$AOB$$ and $$COD$$ are placed at right angle to each other, with one above other su 8. In an ammeter 0.2% of main current passes through the galvanometer. If resistance of galvanometer is G, the resistance o 9. Following figures show the arrangement of bar magnets in different configurations. Each magnet has magnetic dipole momen 10. A thin semicircular conducting ring (PQR) of radius r is falling with its plane vertical in a horizontal magnetic field 11. A transformer having efficiency of 90% is working on 200 V and 3 kW power supply. If the current in the secondary coil i 12. In a region, the potential is represented by V(x, y, z) = 6x $$-$$ 8xy $$-$$ 8y + 6yz, where $$V$$ is in vol 13. A beam of light of $$\lambda = 600$$ nm from a distant source falls on a single slit 1 mm wide and the resulting diffra 14. In the Young's double slit experiment, the intensity of light at a point on the screen where the path difference $$\lamb 15. The angle of a prism is A. One of its refracting surfaces is silvered. Light rays falling at an angle of incidence 2 A o 16. If the focal length of objective lens is increased then magnifying power of 17. When the energy of the incident radiation is increased nby 20%, the kinetic energy of the photoelectrons emitted from a 18. If the kinetic energy of the particle is increased to 16 times its previous value, the percentage change in the de Brogl 19. The binding energy per nucleon of and nuclei are 5.60 MeV and 7.06 MeV respectively. In the nuclear reaction
$${}_3^7Li 20. Hydrogen atom in ground state is excited by a monochromatic radiation of $$\lambda $$ = 975 $$\mathop A\limits^ \circ $ 21. The given graph represents V-I characteristic for a semiconductor device.
Which of the following statement is correct 22. Copper of fixed volume V is drawn into wire of length $$l$$. When this wire is subjected to a constant force F, the exte 23. A projectile is fired from the surface of the earth with a velocity of 5 m s$$-$$1 and angle $$\theta $$
with the hor 24. A particle is moving such that is position coordinates (x, y) are (2 m, 3 m) at time t = 0, (6 m, 7 m)
at time t = 2 s 25. A balloon with mass m is descending down with an acceleration a (where a < g). How much mass should be removed from i 26. A system consists of three masses m1, m2 and m3 connected by a string passing over a pulley P. The mass m1 hangs freely 27. The force F acting on a particle of mass m is indicated by the force-time graph shown below. The change in momentum of t 28. A body of mass (4m) is lying in x-y plane at rest. It suddenly explodes into three pieces. Two pieces, each of mass (m) 29. A solid cylinder of mass 50 kg and radius 0.5 m is free to rotate about the horizontal axis. A massless string is wound 30. The ratio of the accelerations for a solid sphere (mass m and radius R) rolling down an incline of angle $$\theta $$ wit 31. Dependence of intensity of gravitational field (E) of earth with distance (r) from centre of earth is correctly represen 32. A black hole is an object whose gravitational field is so strong that even light cannot escape from it. To what approxim 33. The barrier potential of a p-n junction depends on
(1) type of semiconductor material
(2) amou 34. A certain number of spherical drops of a liquid of radius r coalesce to form a single drop of radius R and volume V. If 35. Steam at 100oC is passed into 20 g of water at 10oC. When water acquires a temperature of 80oC, the mass of water presen 36. Certain quantity of water cools from 70oC to 60oC in the first 5 minutes and to 54oC in the next 5 minutes. The temperat 37. A monatomic gas at a pressure P, having a volume V expands isothermally to a volume 2V and then adiabatically to a volum 38. A thermodynamic system undergoes cyclic process ABCDA as shown in figure. The work done by the system in the cycle is
39. The mean free path of molecules of a gas, (radius r) is inversely proportional to 40. The oscillation of a body on a smooth horizontal surface is represented by the equation,
X = A cos$$\left( {\omega t} \ 41. If n1, n2 and n3 are the fundamental frequencies of three segments into which a string is divided, then the original f 42. The number of possible natural oscillations of air column in a pipe closed at one end length 85 cm whose frequencies lie 43. If force (F), velocity (V) and time (T) are taken as fundamental units, then dimensions of mass are
1
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Select the option which is not correct with respect to enzyme action.
A
Substrate binds with enzyme at its active site.
B
Addition of lot of succinate does not reverse the inhibition of succinic dehydrogenase by malonate.
C
A non-competitive inhibitor binds the enzyme at a site distinct from that which binds the substrate.
D
Malonate is a competitive inhibitor of succinic dehydrogenase.
2
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Approximately seventy percent of carbon-dioxide absorbed by the blood will be transported to the lungs
A
as bicarbonate ions
B
in the from of dissolved gas molecules
C
by binding to R.B.C.
D
as carbamino - haemoglobin.
3
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Person with blood group AB is considered as universal recipient because he has
A
both A and B antigens on RBC but no antibodies in the plasma
B
both A and B antibodies in the plasma
C
no antigen on RBC and no antibody in the plasma
D
both A and B antigens in the plasma but no antibodies.
4
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
How do parasympathetic neutral signals affect the working of the heart?
A
Reduce both heart rate and cardiac output.
B
Heart rate is increased without affecting the cardiac output.
C
Both heart rate and cardiac output increase.
D
Heart rate decreases but cardiac output increases.
Paper analysis
Total Questions
Biology
78
Chemistry
39
Physics
43
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