AIPMT 2001 | NEET Year Wise Previous Years Questions

Biology

1. What is true for photolithotrophs? 2. Which pigment system is inactivated in red drop? 3. Which pair is wrong? 4. Cytochrome is 5. Which plant is LDP? 6. Which of the following prevents the fall of fruits? 7. Hormone responsible for senescence is 8. Which hormone breaks dormancy of potato tuber? 9. What is correct for blood group O? 10. What is sarcomere? 11. Which statement is correct for muscle contraction? 12. When we migrate from dark to light, we fail to see for sometime but after a time visibility becomes normal. It is exampl 13. Which of the following statements is the characteristics of human cornea? 14. Which set is similar? 15. Anemophily type of pollination is found in 16. In grasses what happens in microspore mother cell for the formation of mature pollen grains? 17. Adventive embryony in Citrus is due to 18. Which set is similar : - 19. In which of the following animals, haemocyanin pigment is found? 20. Which of the following is less general in characters as compared to genus? 21. Cauliflower mosaic virus conrains 22. What is true for cyanobacteria ? 23. What is true for archaebacteria? 24. Difference in gram positive and gram negative bacteria is due to 25. Adhesive pad of fungi penetrate the host with the help of 26. Cycas has two cotyledons but not included in angiosperms because of 27. Two nonallelic genes produces the new phenotype when present together but fail to do so independently then it is called 28. In which of the following animals post anal tail is found? 29. In Hydra, waste material of food digestion and nitrogenous waste material are removed respectively from 30. Bicarpellary gynoecium and oblique ovary occurs in 31. Tetradynamous conditions occur in 32. In which of the following plant sunken stomata are found? 33. Which is expressing right appropriate pairing? 34. Edible part of banana is 35. What is the eye of potato? 36. Which is correct pair for edible part? 37. Enzyme first used for nitrogen fixation 38. In lederberg's replica plating experiment what shall be used to obtain streptomycin resistant strain : - 39. Which one of the following is correct match ? 40. L.S.D. is : - 41. Reason of lung cancer is : - 42. Interferons are synthesized in response to 43. Which of the most infectious disease ? 44. Which of the following is true pair of biofertilizers ? 45. Spoilage of oil can be detected by which fatty acid : - 46. 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 47. Salmonella is related with : - 48. Which of the following cut the DNA from specific places ? 49. Maximum number of bases in plasmids discovered so far : - 50. Plant Decomposers are : - 51. In plants inulin and pectin are 52. During an injury Nasal septum gets damaged and for it's recovery which cartilage prefered : - 53. Which cells do not form layer and remains structurally seperate ? 54. Element necessary for the middle lamella is 55. Microtubules are absent in : - 56. Proteinaceous pigment which control the activities concerned with light is 57. Types of RNA polymerase required in nucleus for RNA synthesis : - 58. Ratio of complementry genes is : - 59. When dominant and recessive allels express itself together it is called : - 60. A and B genes are linked. What shall be genotype of progeny in a cross between AB/ab and ab/ab : - 61. Independent assortment of genes does not takes place when : - 62. Number of Barr bodies in XXXX female is 63. Sickle cell anaemia is induce to : - 64. Male XX and female XY sometime occur due to 65. Probability of four son to a couple is : - 66. In Negative operon : - 67. m-RNA is synthesised on DNA template in which direction : - 68. Gene and cistron words are sometimes used synonymously because : - 69. Which statement is correct about centre of origin of plant ? 70. Half life period of C14 is : - 71. Reason of diversity in living being : - 72. Most abundant organic compound on earth is 73. Similarities in organism with different genotype indicates : - 74. Which of the following is closest relative of man ? 75. Which of the following is correct order of the evolutionary history of man ? 76. First life on earth was : - 77. Forthcoming generations are less adaptive than their parental generation due to 78. Occurrence of endemic species in South America and Australia is due to 79. Darwins theory of pangenesis shows similarity with theory of inheritance of acquired characters then what shall be corre

Chemistry

Physics

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

AIPMT 2001

MCQ (Single Correct Answer)

-1

Nitrogen forms N₂, but phosphorus does not form P₂, however, it converts P₄, reason is

triple bond present between phosphorus atom

p$$\pi $$ $$-$$ p$$\pi $$ bonding is weak

p$$\pi $$ $$-$$ p$$\pi $$ bonding is strong

multiple bonds form easily.

AIPMT 2001

MCQ (Single Correct Answer)

-1

In which of the following bond angle is maximum ?

NH₃

NH₄⁺

PCl₃

SCl₂

AIPMT 2001

MCQ (Single Correct Answer)

-1

In X - H --- Y, X and Y both are electronegative elements. Then

electron density on X will increase and on H will decrease

in both electron density will increase

in both electron density will decrease

on X electron density will decrease and on H increases.

AIPMT 2001

MCQ (Single Correct Answer)

-1

Change in enthalpy for reaction,

2H₂O_2(l) $$ \to $$ 2H₂O_(l) + O_2(g)

if heat of formation of H₂O_2(l) and H₂O_(l) are $$-$$188 and - 286 kJ/mol respectively, is

$$-$$ 196 kJ/mol

+ 196 kJ/mol

+948 kJ/mol

$$-$$ 948 kJ/mol

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