AIPMT 2000 | NEET Year Wise Previous Years Questions

Biology

1. Black rust of wheat is caused by 2. A student observed an algae with chlorophyll a, b and phycoerythrin, it should belong to 3. In ferns, meiosio takes place at the time of 4. Plant group with largest ovule, largest tree, and largest gametes is 5. Cleavage in mammals is 6. Which of the following animals have scattered cells with cell - tissue grade organisation? 7. Similarly in Ascaris lumbricoides and Anopheles stephensi is 8. What happens if bone of frog is kept in dilute hydrochloric acid? 9. Which of the following characters is absent in all chordates? 10. What is true for mammalia? 11. Hair found in the inflorescence of Zea mays are the modification of 12. Pneumatophores are found in 13. Geocarpic fruits is 14. Role of enzyme in reactions is to/as 15. Enzymes are not found in 16. Which factor is responsible for inhibition of enzymatic process during feedback? 17. ATP is 18. Which of the following have carbohydrate as prosthetic group? 19. Spindle fibre unite with which structure of chromosomes? 20. In which stage of cell cycle, DNA replication occurs? 21. The movement of ions against the concentration gradient will be 22. Mg is a component of 23. Plants take zinc in the form of 24. When the plants are grown in magnesium deficient but urea rich soil, the symptoms expressed are 25. For assimilation of one CO2 molecule, the enerrgy required in from of ATP and NADPH2 are 26. For the synthesis of one glucose molecule the Calvin cycle operates for 27. Which is the first CO2 acceptor enzyme in C4 plants? 28. The first step for initiation of photosynthesis will be 29. If the apical bud has been removed then we observe 30. Which hormone is responsible for fruit ripening? 31. By which action a seed coat becomes permeable to water 32. Essential amino acid is 33. Which food should be eaten during deficiency of rhodopsin in eyes? 34. In mammals milk is digested by the action of 35. A person who is eating boiled potato, his food contains the component 36. Differennce between pulmonary artery and pulmonary vein is that, the pulmonary artery has 37. Which statement is true for WBC? 38. In which point, pulmonary artery is different from pulmonary vein? 39. Concentration of urine depends upon which organ? 40. Conversion of ammonia to urea is done by 41. Sternum is connected to ribs by 42. Bone related with skull is 43. What is the name of joint between ribs and sternum? 44. Depolarization of axolema during nerve conduction takes place because of 45. Which gland secretes odorous secretion in mammals? 46. Melatonin is secreted by 47. MSH is secreted by 48. Eight nucleated embryo sac is 49. Endosperm is formed during the double fertilization by 50. Blastopore is the pore of : 51. What is the work of copper T : 52. What is the work of progesteron which is present in oral contraceptive pills : 53. According to mendelism which character is showing dominance ? 54. Due to the cross between TTRr × ttrr the resultant progenies showed how many percent plants tall, red flowered : 55. Mongolian idiots are due to trisomy in 21st chromosome is called : 56. In Drosophila the XXY condition leads to femaleness whereas in human beings the same condition leads to Klienfelter's sy 57. Erythroblastosis foetalis is caused when : 58. Which of the following is initiation codon ? 59. Method of DNA replication in which two strands of DNA separates and synthesize new strands 60. Length of one loop of B- DNA : 61. In three dimensional view the molecule of t-RNA is : 62. Anticodon occurs in : 63. Similarity in DNA and RNA : 64. Which is not a vestigial organ in man ? 65. Homo sapiens have evolved in 66. Which evidence of evolution related to Darwin's finches ? 67. Character which is closely related to human evolution 68. Who is directly related to man ? 69. Which is the most important factor for continuity of a species from evolutionary point of view ? 70. Which is showing accurate pairing ? 71. Which disease of man is similar with cattle's, bovine spongyform encephalopathy ? 72. Saline solution is given to patients of Cholera because 73. Coconut milk is used in tissue culture in which present : 74. Which statement is correct ? 75. Which of the following is used to manufacture ethanol from starch ? 76. Which aquatic fern is used to increase the yield in paddy crop ? 77. Plasmid has been used as vector because : 78. The bacteria generally used for genetic engineering is : 79. Which is the reason for highest biomass in aquatic ecosystem ? 80. Viable material of endangered species can be preserved by : 81. Indri-indri lemur is found in : 82. Which is the cause of damage to relative biological effectiveness ? 83. What happens in plants during vascularisation ? 84. Proteoglycan in cartilages which is part of polysaccharide is 85. Characteristic of simple epithelium is that they 86. Which pair is correct ? 87. Primary function of enteronephric nephridia of Pheretima : 88. Function of telomeres in nucleus is 89. Which of the following ribosomes are engaged in protein synthesis in animal cell ? 90. Lysosome contains : 91. Which cell organelle is concerned with glycosylation of protein ?

Chemistry

1. In quantitative analysis of second group in laboratory, H2S gas is passed in acidic medium for precipitation. When Cu2+ 2. Volume of CO2 obtained by the complete decomposition of 9.85 g of BaCO3 is 3. Oxidation numbers of A, B, C are + 2, +5 and $$-$$2 respectively. Possible formula of compound is 4. For given energy, E = 3.03 $$ \times $$ 10$$-$$19 Joules corresponding wavelength is (h = 6.626 $$ \times $$ 10$$-$$34 5. Isoelectronic species are 6. Which statement is wrong ? 7. d$$\pi $$ $$-$$ p$$\pi $$ bond present in 8. Which species does not exhibit paramagnetism? 9. Right order of dissociation energy N2 and N2+ is 10. Which of the following expressions correctly represents the relationship between the average molar kinetic energy, KE, o 11. Cell reaction is spontaneous when 12. 2Zn + O2 $$ \to $$ 2ZnO;  $$\Delta $$Go = $$-$$ 616 J 2Zn + S2 $$ \to $$ 2ZnS;  $$\Delta $$Go = $$-$ 13. The entropy change in the fusion of one mole of a solid melting at 27oC (latent heat of fusion is 2930 J mol–1) is : 14. For the reaction, C2H5OH(l) + 3O2(g) $$ \to $$ 2CO2(g) + 3H2O(l) which one is true 15. Conjugate acid of NH2$$-$$ is 16. For any reversible reaction, if we increase concentration of the reactants, then effect on equilibrium constant 17. Which statement is wrong about pH and H+? 18. Equilibrium constant Kp for following reaction MgCO3(s) $$\rightleftharpoons$$ MgO(s) + CO2(g) 19. Which reagent converts propene to 1-propanol ? 20. Which is maximum stable? 21. In Friedel-Crafts reaction , toluene can be prepared by 22. Increasing order of electrophilic substitution for following compounds 23. 2-Butene shows geometrical isomerism due to 24. Dihedral angle in staggered form of ethane is 25. First product of the reaction between RCHO and NH2NH2 is 26. Reduction by LiAlH4 of hydrolysed product of an ester gives 27. Benzoic acid may be converted into ethyl benzoate by reaction with : 28. Polarisation in acrolein can be described as 29. then A is 30. $$\alpha $$ -$$D$$-glucose and $$\beta $$-$$D$$-glucose are 31. Mg is present in 32. Which one is responsible for production of energy in bio-reaction? 33. CF2 $$=$$ CF2 is monomer of 34. Which compound forms linear polymer due to H-bond? 35. In cube of any crystal A-atom placed at every corners and B-atom placed at every centre of face. The formula of compound 36. Cation and anion combines in a crystal to form following type of compound 37. From the colligative properties of solution, which one is the best method for the determination of molecular weight of p 38. Equivalent conductances of Ba2+ and Cl$$-$$ ions are 127 and 76 ohm$$-$$1 cm$$-$$1 eq$$-$$1 respectively. Equivalent con 39. For the disproportionation of copper 2Cu+  $$ \to $$ Cu2+ + Cu, Eo is (Given Eo for Cu2+/Cu is 0.34 V and E 40. How enzymes increases the rate of reactions 41. For the reaction H+ + BrO$$_3^ - $$ + 3Br$$-$$ $$ \to $$ 5Br2 + H2O which of the following relation correctly represents 42. Which one of the following method is commonly used method for destruction of colloid? 43. Which compound is electron deficient? 44. Which compound has planar structure? 45. Which ion is colourless? 46. Which of the following shows maximum number of oxidation states? 47. A 300 grams radioactive sample at initial half life is 3 hours. After 18 hours remaining quantity 48. Shape of Fe(CO)5 is 49. Which complex compound will give four isomers?

Physics

1. Which pair do not have equal dimensions ? 2. Motion of a particle is given by equation s = (3t3 + 7t2 + 14t + 8) m. The value of acceleration of the particle at t = 3. Two projectiles of same mass and with same velocity are thrown at an angle 60o and 30o with the horizontal, then which w 4. The width of river is 1 km. The velocity of boat is 5 km/hr. The boat covered the width of river in shortest time 15 min 5. A man is slipping on a frictionless inclined plane and a bag falls down from the same height. Then the velocity of both 6. Two masses as shown in the figure are suspended from a massless pulley. The acceleration of the system when masses are l 7. A body of mass 3 kg hits a wall at an angle of 60o and returns at the same angle. The impact time was 0.2 sec. The force 8. If $$\overrightarrow F = \left( {60\widehat i + 15\widehat j - 3\widehat k} \right)$$ N and $$\overrightarrow v = \lef 9. A mass of 1 kg is thrown up with a velocity of 100 m/s. After 5 seconds, it explodes into two parts. One part of mass 40 10. For the adjoining diagram, the correct relation between I1, I2, and I3 is, (I-moment of inertia) 11. For a hollow cylinder and a solid cylinder rolling without slipping on an inclined plane, then which of these reaches ea 12. As shown in the figure at point O a mass is performing vertical circular motion. The average velocity of the particle is 13. For a planet having mass equal to mass of the earth but radius is one fourth of radius of the earth. Then escape velocit 14. Gravitational force is required for 15. A body of weight 72 N moves from the surface of earth at a height half of the radius of earth, then gravitational force 16. A black body has maximum wavelength $$\lambda $$m at 2000 K. Its corresponding wavelength at 3000 K will be 17. The (W/Q) of a Carnot engine is 1/6, now the temperature of sink is reduced by 62oC, then this ratio becomes twice, ther 18. To find out degree of freedom, the expansion is 19. The bob of simple pendulum having length $$l$$, is displaced from mean position to an angular position q with respect to 20. Two masses $$M$$A and $$M$$B are hung from two strings of length $$l$$A and $$l$$B respectively. They are executing SHM 21. The equations of two waves acting in perpendicular directions are given as x = $$a$$cos($$\omega $$t +$$\delta $$) and 22. Two stationary sources each emitting waves of wavelength $$\lambda $$, an observer moves from one source to another with 23. A string is cut into three parts, having fundamental frequencies n1, n2, n3 respectively. Then original fundamental fre 24. A charge Q is situated at the corner of a cube, the electric flux passed through all the six faces of the cube is 25. Electric field at centre O of semicircle of radius $$a$$ having linear charge density $$\lambda $$ given as 26. A capacitor is charged with a battery and energy stored is U. After disconnecting battery another capacitor of same capa 27. Two bulbs of (40 W, 200 V), and (100 W, 200 V). Then correct relation for their resistances 28. The net resistance of the circuit between A and B is 29. A car battery of emf 12 V and internal resistance $$5 \times {10^{ - 2}}$$ $$\Omega $$., receives a current of 60 amp, f 30. The potentiometer is best for measuring voltage, as 31. The magnetic field at centre, P will be 32. The frequency order for $$\gamma $$-rays (a), X-rays (b), UV rays (c) is 33. A bubble in glass slab ($$\mu $$ = 1.5) when viewed from one side appears at 5 cm and 2 cm from other side, then thickne 34. A tall man of height 6 feet, want to see his full image. Then required minimum length of the mirror will be 35. For a plano convex lens ($$\mu $$ = 1.5) has radius of curvature 10 cm. It is silvered on its plane surface. Find focal 36. Rainbow is formed due to 37. By photoelectric effect, Einstein proved 38. Who evaluated the mass of electron infirectly with help of charge 39. For the given reaction, the particle X is $$_6{C^{11}} \to {}_5{B^{11}} + {\beta ^ + } + X$$ 40. Nuclear fission is best explained by 41. When an electron does transition from n = 4 to n = 2, then emitted line spectrum will be 42. The life span of atomic hydrogen is 43. Maximum frequency of emission is obtained for the transition 44. The relation between $$\lambda $$ and T1/2 as (T1/2 $$ \to $$ half life) 45. The cations and anions are arranged in alternate form in 46. From the following diode circuit, which diode is in forward biased condition 47. The correct relation for $$\alpha $$, $$\beta $$ for a transistor

AIPMT 2000

MCQ (Single Correct Answer)

-1

Equilibrium constant K_p for following reaction
MgCO_3(s) $$\rightleftharpoons$$ MgO_(s) + CO_2(g)

K_p = P_CO₂

K_p = P_CO₂ $$ \times $$ $${{{P_{C{O_2}}} \times {P_{MgO}}} \over {{P_{MgC{O_3}}}}}$$

K_p = $${{{P_{C{O_2}}} + {P_{MgO}}} \over {{P_{MgC{O_3}}}}}$$

K_p = $${{{P_{MgC{O_3}}}} \over {{P_{C{O_2}}} + {P_{MgO}}}}$$

AIPMT 2000

MCQ (Single Correct Answer)

-1

Which reagent converts propene to 1-propanol ?

H₂O, H₂SO₄

B₂H₆, H₂O₂, OH^$$-$$

Hg(OAc)₂, NaBH₄/H₂O

Aq. KOH

AIPMT 2000

MCQ (Single Correct Answer)

-1

Which is maximum stable?

1-Butene

cis-2-Butene

trans-2-Butene

All have same stability.

AIPMT 2000

MCQ (Single Correct Answer)

-1

In Friedel-Crafts reaction , toluene can be prepared by

C₆H₆ + CH₃Cl

C₆H₅Cl + CH₄

C₆H₆ + CH₂Cl₂

C₆H₆ + CH₃COCl

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