AIPMT 2000 | NEET Year Wise Previous Years Questions

Biology

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

Chemistry

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

Physics

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

AIPMT 2000

MCQ (Single Correct Answer)

-1

For the disproportionation of copper
2Cu⁺ $$ \to $$ Cu²⁺ + Cu, E^o is
(Given E^o for Cu²⁺/Cu is 0.34 V and
E^o for Cu²⁺/Cu⁺ is 0.15 V.)

0.49 V

$$-$$ 0.19 V

0.38 V

$$-$$0.38 V

AIPMT 2000

MCQ (Single Correct Answer)

-1

How enzymes increases the rate of reactions

by lowering activation energy

by increaing activation energy

by changing equilibrium constant

by forming enzyme substrate complex.

AIPMT 2000

MCQ (Single Correct Answer)

-1

For the reaction H⁺ + BrO$$_3^ - $$ + 3Br^$$-$$ $$ \to $$ 5Br₂ + H₂O
which of the following relation correctly represents the consumption and formation of products.

$${{d\left[ {B{r^ - }} \right]} \over {dt}} = - {3 \over 5}{{d\left[ {B{r_2}} \right]} \over {dt}}$$

$${{d\left[ {B{r^ - }} \right]} \over {dt}} = {3 \over 5}{{d\left[ {B{r_2}} \right]} \over {dt}}$$

$${{d\left[ {B{r^ - }} \right]} \over {dt}} = - {5 \over 3}{{d\left[ {B{r_2}} \right]} \over {dt}}$$

$${{d\left[ {B{r^ - }} \right]} \over {dt}} = {5 \over 3}{{d\left[ {B{r_2}} \right]} \over {dt}}$$

AIPMT 2000

MCQ (Single Correct Answer)

-1

Which compound is electron deficient?

BeCl₂

BCl₃

CCl₄

PCl₅

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