AIPMT 2014 | NEET Year Wise Previous Years Questions

Biology

1. 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? 2. Select the option which is not correct with respect to enzyme action. 3. In 'S' phase of the cell cycle 4. The enzyme recombinase is required at which stage of meiosis? 5. A few normal seedlings of tomato were kept in a dark room. After a few days they were found to have become white -colour 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. Which one of the following growth regulators is known as 'stress hormone'? 8. In which one of the following processes CO2 is not released? 9. How do parasympathetic neutral signals affect the working of the heart? 10. Which one of the following is a non - reducing carbohydrate? 11. Approximately seventy percent of carbon-dioxide absorbed by the blood will be transported to the lungs 12. Person with blood group AB is considered as universal recipient because he has 13. Stimulation of a muscle fiber by a motor neuron occurs at 14. Injury localized to the hypothalamus would most likely disrupt 15. Which of the following causes an increase in sodium reabsorption in the distal convoluted tubule? 16. Select the correct matching of the type of the joint with the example in human skeletal system. 17. Flight-or-flight reactions cause activation of 18. Which one of the following shows isogamy with non-flagellated gametes? 19. Anoxygenic photosynthesis is characteristic of 20. Five kingdom system of classification suggested by R.H. Whittaker is not based on 21. Which structures perform the function of mitochondria in bacteria? 22. The motile bacteria are able to move by 23. Male gametophyte with least number of cells is present in 24. Which of the following shows coiled RNA strand and capsomeres? 25. Which one of the following is wrong about Chara? 26. Which of the following is responsible for peat formation? 27. Archaebacteria differ from eubacteria in 28. Identify the hormone with its correct matching of source and function. 29. Viruses have 30. Select the taxon mentioned that represents both marine and fresh water species. 31. Planaria possesses high capacity of 32. A marine cartilaginous fish that can produce electric current is 33. Planaria possesses high capacity of 34. Which one of the following living organisms completely lacks a cell wall? 35. Placenta and pericarp are both edible portions in 36. When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as 37. Which one of the following statements is correct? 38. An example of edible underground steam is 39. An example of ex situ conservation is : 40. Commonly used vectors for human genome sequencing are : 41. An analysis of chromosomal DNA using the Southern hybridization technique does not use: 42. The first human hormone produced by recombinant DNA technology is : 43. Which vector can clone only a small fragment of DNA ? 44. Given below is the representation of the extent of global diversity of invertebrates. What groups the four portions (A-D 45. If 20 J of energy is trapped at producer level, then how much energy will be available to peacock as food in the followi 46. The organization which publishes the Red List of species is : 47. A species facing extremely high risk of extinction in the immediate future is called : 48. Match the following and select the correct option: .tg {border-collapse:collapse;border-spacing:0;width: 100%} .tg td 49. Given below is a simplified model of phosphorus cycling in a terrestrial ecosystem with four blanks (A-D). Identify the 50. Just as a person moving from Delhi to Shimla to escape the heat for the duration of hot summer, thousands of migratory b 51. Tracheids differ from other tracheary elements in : 52. Choose the correctly matched pair: 53. You are given a fairly old piece of dicot stem and a dicot root. Which of the following anatomical structures will you u 54. Choose the correctly matched pair : 55. Match the following and select the correct answer : .tg {border-collapse:collapse;border-spacing:0;width:100%} .tg td 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. Which of the following is a hormone releasing Intra Uterine Device (IUD)? 59. An aggregate fruit is one which develops from 60. Geitonogamy involves 61. Select the correct option describing gonadotropin activity in a normal pregnant female. 62. Non-albuminous seed is produced in 63. The shared terminal duct of the repoductive and urinary system in the human male is 64. Pollen tablets are available in the market for 65. Function of filiform apparatus is to 66. The main function of mammalian corpus luteum is to produce 67. Tubectomy is a method of sterilization in which : 68. Assisted reproductive technology, IVF involves transfer of : 69. Select the correct option ; 70. Which one of the following is wrongly matched? 71. Transformation was discovered by : 72. Which is the particular type of drug that is obtained from the plant whose one flowering branch is shown below? 73. At which stage of HIV infection does one usually show symptoms of AIDS ? 74. Which one of the following fungi contains hallucinogens? 75. What gases are produced in anaerobic sludge digesters ? 76. An alga which can be employed as food for human being is : 77. To obtain virus−free healthy plants from a diseased one by tissue culture technique, which part/parts of the diseased pl

Chemistry

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. The resistances in the two arms of the meter bridge are 5 $$\Omega $$ and R$$\Omega $$ respectively. When the resistance 4. Two cities are 150 km apart. Electric power is sent from one city to another city through copper wires. The fall of pote 5. A potentiometer circuit has been set up for finding the internal resistance of a given cell. The main battery, used acro 6. Two thin dielectric slabs of dielectric constants K1 and K2(K1 < K2) are inserted between plates of a parallel plate 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. If the focal length of objective lens is increased then magnifying power of 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 thin semicircular conducting ring (PQR) of radius r is falling with its plane vertical in a horizontal magnetic field 14. 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 15. A beam of light of $$\lambda = 600$$ nm from a distant source falls on a single slit 1 mm wide and the resulting diffra 16. In the Young's double slit experiment, the intensity of light at a point on the screen where the path difference $$\lamb 17. Hydrogen atom in ground state is excited by a monochromatic radiation of $$\lambda $$ = 975 $$\mathop A\limits^ \circ $ 18. When the energy of the incident radiation is increased nby 20%, the kinetic energy of the photoelectrons emitted from a 19. If the kinetic energy of the particle is increased to 16 times its previous value, the percentage change in the de Brogl 20. The binding energy per nucleon of and nuclei are 5.60 MeV and 7.06 MeV respectively. In the nuclear reaction $${}_3^7Li 21. The barrier potential of a p-n junction depends on (1)   type of semiconductor material (2)   amou 22. Copper of fixed volume V is drawn into wire of length $$l$$. When this wire is subjected to a constant force F, the exte 23. A body of mass (4m) is lying in x-y plane at rest. It suddenly explodes into three pieces. Two pieces, each of mass (m) 24. A particle is moving such that is position coordinates (x, y) are (2 m, 3 m) at time t = 0, (6 m, 7 m) at time t = 2 s 25. A projectile is fired from the surface of the earth with a velocity of 5 m s$$-$$1 and angle $$\theta $$ with the hor 26. The force F acting on a particle of mass m is indicated by the force-time graph shown below. The change in momentum of t 27. A system consists of three masses m1, m2 and m3 connected by a string passing over a pulley P. The mass m1 hangs freely 28. A balloon with mass m is descending down with an acceleration a (where a < g). How much mass should be removed from i 29. The ratio of the accelerations for a solid sphere (mass m and radius R) rolling down an incline of angle $$\theta $$ wit 30. A solid cylinder of mass 50 kg and radius 0.5 m is free to rotate about the horizontal axis. A massless string is wound 31. Certain quantity of water cools from 70oC to 60oC in the first 5 minutes and to 54oC in the next 5 minutes. The temperat 32. A black hole is an object whose gravitational field is so strong that even light cannot escape from it. To what approxim 33. The given graph represents V-I characteristic for a semiconductor device. Which of the following statement is correct 34. Dependence of intensity of gravitational field (E) of earth with distance (r) from centre of earth is correctly represen 35. A certain number of spherical drops of a liquid of radius r coalesce to form a single drop of radius R and volume V. If 36. Steam at 100oC is passed into 20 g of water at 10oC. When water acquires a temperature of 80oC, the mass of water presen 37. A thermodynamic system undergoes cyclic process ABCDA as shown in figure. The work done by the system in the cycle is 38. The mean free path of molecules of a gas, (radius r) is inversely proportional to 39. The number of possible natural oscillations of air column in a pipe closed at one end length 85 cm whose frequencies lie 40. The oscillation of a body on a smooth horizontal surface is represented by the equation, X = A cos$$\left( {\omega t} \ 41. A monatomic gas at a pressure P, having a volume V expands isothermally to a volume 2V and then adiabatically to a volum 42. If n1, n2 and n3 are the fundamental frequencies of three segments into which a string is divided, then the original f 43. If force (F), velocity (V) and time (T) are taken as fundamental units, then dimensions of mass are

AIPMT 2014

MCQ (Single Correct Answer)

-1

The ratio of the accelerations for a solid sphere (mass m and radius R) rolling down an incline of angle $$\theta $$ without slipping and slipping down the incline without rolling is

5 : 7

2 : 3

2 : 5

7 : 5

AIPMT 2014

MCQ (Single Correct Answer)

-1

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 round the cylinder with one end attached to it and other hanging freely. Tension in the string required to produce an angular acceleration of 2 revolutions s^$$-$$2 is

25 N

50 N

78.5 N

157 N

AIPMT 2014

MCQ (Single Correct Answer)

-1

Certain quantity of water cools from 70^oC to 60^oC in the first 5 minutes and to 54^oC in the next 5 minutes. The temperature of the surroundings is

45^oC

20^oC

42^oC

10^oC

AIPMT 2014

MCQ (Single Correct Answer)

-1

A black hole is an object whose gravitational field is so strong that even light cannot escape from it. To what approximate radius would earth (mass = 5.98 $$ \times $$ 10²⁴ kg) have to be compressed to be a black hole?

10^$$-$$9 m

10^$$-$$6 m

10^$$-$$2 m

100 m

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