AIPMT 2001 | NEET Year Wise Previous Years Questions

Biology

1. What is true for photolithotrophs? 2. Which of the following prevents the fall of fruits? 3. Hormone responsible for senescence is 4. Which hormone breaks dormancy of potato tuber? 5. Which pigment system is inactivated in red drop? 6. Which plant is LDP? 7. Which pair is wrong? 8. Cytochrome is 9. What is correct for blood group O? 10. What is sarcomere? 11. Which statement is correct for muscle contraction? 12. Which set is similar? 13. Adventive embryony in Citrus is due to 14. Anemophily type of pollination is found in 15. In grasses what happens in microspore mother cell for the formation of mature pollen grains? 16. Which set is similar : - 17. In which of the following animals, haemocyanin pigment is found? 18. Which of the following is less general in characters as compared to genus? 19. What is true for archaebacteria? 20. Difference in gram positive and gram negative bacteria is due to 21. What is true for cyanobacteria ? 22. Cauliflower mosaic virus conrains 23. Adhesive pad of fungi penetrate the host with the help of 24. Cycas has two cotyledons but not included in angiosperms because of 25. Male XX and female XY sometime occur due to 26. In Hydra, waste material of food digestion and nitrogenous waste material are removed respectively from 27. In which of the following animals post anal tail is found? 28. Bicarpellary gynoecium and oblique ovary occurs in 29. In which of the following plant sunken stomata are found? 30. Edible part of banana is 31. Which is expressing right appropriate pairing? 32. Tetradynamous conditions occur in 33. What is the eye of potato? 34. Enzyme first used for nitrogen fixation 35. Which is correct pair for edible part? 36. A mutant strain of T4 – Bacteriophage, R-II, fails to lyse the E-Coli but when two strains RIIX and R-IIY are mixed then 37. Which of the most infectious disease ? 38. Interferons are synthesized in response to 39. Salmonella is related with : - 40. Reason of lung cancer is : - 41. Which of the following is true pair of biofertilizers ? 42. L.S.D. is : - 43. Spoilage of oil can be detected by which fatty acid : - 44. Which of the following cut the DNA from specific places ? 45. Which one of the following is correct match ? 46. In lederberg's replica plating experiment what shall be used to obtain streptomycin resistant strain : - 47. Maximum number of bases in plasmids discovered so far : - 48. Plant Decomposers are : - 49. In plants inulin and pectin are 50. Element necessary for the middle lamella is 51. During an injury Nasal septum gets damaged and for it's recovery which cartilage prefered : - 52. Microtubules are absent in : - 53. Which cells do not form layer and remains structurally seperate ? 54. Proteinaceous pigment which control the activities concerned with light is 55. Darwins theory of pangenesis shows similarity with theory of inheritance of acquired characters then what shall be corre 56. When dominant and recessive allels express itself together it is called : - 57. Sickle cell anaemia is induce to : - 58. A and B genes are linked. What shall be genotype of progeny in a cross between AB/ab and ab/ab : - 59. Independent assortment of genes does not takes place when : - 60. Number of Barr bodies in XXXX female is 61. Probability of four son to a couple is : - 62. Two nonallelic genes produces the new phenotype when present together but fail to do so independently then it is called 63. Ratio of complementry genes is : - 64. Which statement is correct about centre of origin of plant ? 65. Similarities in organism with different genotype indicates : - 66. Which of the following is correct order of the evolutionary history of man ? 67. Types of RNA polymerase required in nucleus for RNA synthesis : - 68. First life on earth was : - 69. Gene and cistron words are sometimes used synonymously because : - 70. Forthcoming generations are less adaptive than their parental generation due to 71. m-RNA is synthesised on DNA template in which direction : - 72. Occurrence of endemic species in South America and Australia is due to 73. In Negative operon : - 74. Reason of diversity in living being : - 75. Most abundant organic compound on earth is 76. Half life period of C14 is : - 77. Which of the following is closest relative of man ?

Chemistry

Physics

1. Optical fibre are based on 2. If number of turns, area and current through a coil is given by n, A and $$i$$ respectively then its magnetic moment wil 3. If specific resistance of a potentiometer wire is 10-7$$\Omega $$ m and current flow through it is 0.1 amp., cross-secti 4. Among which the magnetic susceptibility does not depened on the temperature ? 5. The value of quality factor is 6. For a coil having L = 2 mH, current flow through it is $$I = {t^2}{e^{ - t}}$$ then, the time at which emf become zero 7. Tangent galvanometer is used to measure 8. A capacitor of capacity C has reactance X. If capacitance and frequency become double then reactance will be 9. Biological inportance of ozone layer is 10. A ray of light travelling in air have wavelength $$\lambda $$, frequency n, velocity v and intensity $$I$$. If this ray 11. In Thomson mass spectrograph $$\overrightarrow E \bot \overrightarrow B $$ then the velocity of electron beam will be 12. A disc is placed on a surface of pond which has refractive index 5/3. A source of light is placed 4 m below the surface 13. The resistance of each arm of the Wheatstone's bridge is 10 ohm. A resistance of 10 ohm is connected in series with a ga 14. A photo-cell is illuminated by a source of light, which is placed at a distance d from the cell. If the distance become 15. Which one among the following shows particle nature of light? 16. Energy released in nuclear fission is due to 17. Mn and Mp represent the mass of neutron and proton respectively. An element having mass M has N neutrons and Z protons, 18. The interplanar distance in a crystal is 2.8 $$ \times $$ 10$$-$$8 m. The value of maximum wavelength which can be diffr 19. X(n, $$\alpha $$) $${}_3^7$$Li, then X will be 20. The energy of hydrogen atom in nth orbit is En then the energy in nth orbit of singly ionised helium atom will be 21. With what velocity should a particle be projected so that its height becomes equal to radius of earth? 22. A particle is thrown vertically upward. Its velocity at half of the height is 10 m/s, then the maximum height attained b 23. A cricketer catches a ball of mass 150 gm in 0.1 sec moving with speed 20 m/s, then he experiences force of 24. 250 N force is required to raise 75 kg mass from a pulley. If rope is pulled 12 m then the load is lifted to 3 m. the ef 25. Two particles having mass M and m are moving in a circular path having radius R and r. If their time period are same th 26. On the horizontal surface of a truck a block of mass 1 kg is placed (m = 0.6) and truck is moving with acceleration 5 m/ 27. If $$\left| {\overrightarrow A + \overrightarrow B } \right| = \left| {\overrightarrow A } \right| + \left| {\overright 28. A 1 kg stationary bomb is exploted in three parts having mass 1 : 1 : 3 respectively. Parts having same mass move in per 29. A disc is rolling, the velocity of its centre of mass is vcm. Which one will be correct? 30. Two springs A and B having spring constant KA and KB (KA = 2KB) are stretched by applying force of equal magnitude. If e 31. A child is sitting on a swing. Its minimum and maximum heights from the ground 0.75 m and 2 m respectively, its maximum 32. A particle is projected making an angle of 45o with horizontal having kinetic energy K. The kinetic energy at highest po 33. A cylindrical rod having temperature T1 and T2 at its end. The rate of flow of heat Q1 cal/sec. If all the linear dimens 34. A scientist says that the efficiency of his heat engine which work at source temperature 127oC and sink temperature 27oC 35. The total energy of particle performing SHM depend on 36. If the tension and diameter of a sonometer wire of fundamental frequency n is doubled and density is halved then its fun 37. Two waves having equation x1 = $$a$$sin($$\omega $$t $$-$$ kx + $$\phi $$1), x2 = asin($$\omega $$t $$-$$kx + $$\phi $$2 38. The equation of a wave is represented by y $$=$$ 10$$-$$4 sin(100t $$-$$ $${x \over {10}}$$) m. then the velocity of w 39. Energy per unit volume for a capacitor having area A and separation d kept at potential difference V is given by 40. A dipole of dipole moment $$\overrightarrow p $$ is placed in uniform electric field $$\overrightarrow E $$ then torque 41. A charge Q$$\mu $$C is placed at the centre of a cube, the flux coming out from each face will be 42. Copper and silicon is cooled from 300 K to 60 K , the specific resistance 43. An electron having mass m and kinetic energy E anter in uniform magnetic field B perpendiculaly, then its frequency will 44. The given truth table is for which logic gate             & 45. The current in the circuit will be 46. The dimensions of Planck's constant equals to that of

AIPMT 2001

MCQ (Single Correct Answer)

-1

If the tension and diameter of a sonometer wire of fundamental frequency n is doubled and density is halved then its fundamental frequency will become

$${\pi \over 4}$$

$$\sqrt 2 n$$

$${n \over {\sqrt 2 }}$$

AIPMT 2001

MCQ (Single Correct Answer)

-1

Two waves having equation x₁ = $$a$$sin($$\omega $$t $$-$$ kx + $$\phi $$₁), x₂ = asin($$\omega $$t $$-$$kx + $$\phi $$₂). If in the resultant wave the frequency and amplitude remain equal to amplitude of superimposing waves, the phase difference between them is

$${\pi \over 6}$$

$${{2\pi } \over 3}$$

$${\pi \over 4}$$

$${\pi \over 3}$$

AIPMT 2001

MCQ (Single Correct Answer)

-1

The equation of a wave is represented by

y $$=$$ 10^$$-$$4 sin(100t $$-$$ $${x \over {10}}$$) m. then the velocity of wave will be

100 m/s

4 m/s

1000 m/s

10 m/s

AIPMT 2001

MCQ (Single Correct Answer)

-1

Energy per unit volume for a capacitor having area A and separation d kept at potential difference V is given by

$${1 \over 2}{\varepsilon _0}{{{V^2}} \over {{d^2}}}$$

$${1 \over {2{\varepsilon _0}}}{{{V^2}} \over {{d^2}}}$$

$${1 \over 2}C{V^2}$$

$${{{Q^2}} \over {2C}}.$$

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