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. Pneumatophores are found in 12. Hair found in the inflorescence of Zea mays are the modification of 13. Geocarpic fruits is 14. Role of enzyme in reactions is to/as 15. Which factor is responsible for inhibition of enzymatic process during feedback? 16. Enzymes are not found in 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. For assimilation of one CO2 molecule, the enerrgy required in from of ATP and NADPH2 are 22. For the synthesis of one glucose molecule the Calvin cycle operates for 23. Which is the first CO2 acceptor enzyme in C4 plants? 24. The first step for initiation of photosynthesis will be 25. If the apical bud has been removed then we observe 26. By which action a seed coat becomes permeable to water 27. Which hormone is responsible for fruit ripening? 28. Differennce between pulmonary artery and pulmonary vein is that, the pulmonary artery has 29. In which point, pulmonary artery is different from pulmonary vein? 30. Which statement is true for WBC? 31. Concentration of urine depends upon which organ? 32. Conversion of ammonia to urea is done by 33. Sternum is connected to ribs by 34. What is the name of joint between ribs and sternum? 35. Bone related with skull is 36. Depolarization of axolema during nerve conduction takes place because of 37. Melatonin is secreted by 38. Which gland secretes odorous secretion in mammals? 39. MSH is secreted by 40. Eight nucleated embryo sac is 41. Endosperm is formed during the double fertilization by 42. Blastopore is the pore of : 43. What is the work of progesteron which is present in oral contraceptive pills : 44. What is the work of copper T : 45. According to mendelism which character is showing dominance ? 46. Due to the cross between TTRr × ttrr the resultant progenies showed how many percent plants tall, red flowered : 47. Mongolian idiots are due to trisomy in 21st chromosome is called : 48. Erythroblastosis foetalis is caused when : 49. In Drosophila the XXY condition leads to femaleness whereas in human beings the same condition leads to Klienfelter's sy 50. Which of the following is initiation codon ? 51. Method of DNA replication in which two strands of DNA separates and synthesize new strands 52. Anticodon occurs in : 53. Length of one loop of B- DNA : 54. In three dimensional view the molecule of t-RNA is : 55. Similarity in DNA and RNA : 56. Which is not a vestigial organ in man ? 57. Character which is closely related to human evolution 58. Which evidence of evolution related to Darwin's finches ? 59. Homo sapiens have evolved in 60. Who is directly related to man ? 61. Which is the most important factor for continuity of a species from evolutionary point of view ? 62. Which disease of man is similar with cattle's, bovine spongyform encephalopathy ? 63. Which is showing accurate pairing ? 64. Saline solution is given to patients of Cholera because 65. Which aquatic fern is used to increase the yield in paddy crop ? 66. Which of the following is used to manufacture ethanol from starch ? 67. The bacteria generally used for genetic engineering is : 68. Plasmid has been used as vector because : 69. Which is the reason for highest biomass in aquatic ecosystem ? 70. Viable material of endangered species can be preserved by : 71. Indri-indri lemur is found in : 72. What happens in plants during vascularisation ? 73. Characteristic of simple epithelium is that they 74. Proteoglycan in cartilages which is part of polysaccharide is 75. Which pair is correct ? 76. Primary function of enteronephric nephridia of Pheretima : 77. Which of the following ribosomes are engaged in protein synthesis in animal cell ? 78. Lysosome contains : 79. Function of telomeres in nucleus is 80. 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. Cell reaction is spontaneous when 11. 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 : 12. 2Zn + O2 $$ \to $$ 2ZnO;  $$\Delta $$Go = $$-$$ 616 J 2Zn + S2 $$ \to $$ 2ZnS;  $$\Delta $$Go = $$-$ 13. For the reaction, C2H5OH(l) + 3O2(g) $$ \to $$ 2CO2(g) + 3H2O(l) which one is true 14. Conjugate acid of NH2$$-$$ is 15. Which statement is wrong about pH and H+? 16. For any reversible reaction, if we increase concentration of the reactants, then effect on equilibrium constant 17. Equilibrium constant Kp for following reaction MgCO3(s) $$\rightleftharpoons$$ MgO(s) + CO2(g) 18. Which reagent converts propene to 1-propanol ? 19. Which is maximum stable? 20. In Friedel-Crafts reaction , toluene can be prepared by 21. Increasing order of electrophilic substitution for following compounds 22. Dihedral angle in staggered form of ethane is 23. 2-Butene shows geometrical isomerism due to 24. First product of the reaction between RCHO and NH2NH2 is 25. Reduction by LiAlH4 of hydrolysed product of an ester gives 26. Benzoic acid may be converted into ethyl benzoate by reaction with : 27. Polarisation in acrolein can be described as 28. then A is 29. $$\alpha $$ -$$D$$-glucose and $$\beta $$-$$D$$-glucose are 30. Mg is present in 31. Which one is responsible for production of energy in bio-reaction? 32. From the colligative properties of solution, which one is the best method for the determination of molecular weight of p 33. Equivalent conductances of Ba2+ and Cl$$-$$ ions are 127 and 76 ohm$$-$$1 cm$$-$$1 eq$$-$$1 respectively. Equivalent con 34. For the disproportionation of copper 2Cu+  $$ \to $$ Cu2+ + Cu, Eo is (Given Eo for Cu2+/Cu is 0.34 V and E 35. How enzymes increases the rate of reactions 36. For the reaction H+ + BrO$$_3^ - $$ + 3Br$$-$$ $$ \to $$ 5Br2 + H2O which of the following relation correctly represents 37. Which compound is electron deficient? 38. Which compound has planar structure? 39. Which ion is colourless? 40. Which of the following shows maximum number of oxidation states? 41. A 300 grams radioactive sample at initial half life is 3 hours. After 18 hours remaining quantity 42. Shape of Fe(CO)5 is 43. 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. 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 4. Two projectiles of same mass and with same velocity are thrown at an angle 60o and 30o with the horizontal, then which w 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. 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 7. Two masses as shown in the figure are suspended from a massless pulley. The acceleration of the system when masses are l 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 $$m at 2000 K. Its corresponding wavelength at 3000 K will be 17. To find out degree of freedom, the expansion is 18. The (W/Q) of a Carnot engine is 1/6, now the temperature of sink is reduced by 62oC, then this ratio becomes twice, ther 19. Two masses $$M$$A and $$M$$B are hung from two strings of length $$l$$A and $$l$$B respectively. They are executing SHM 20. The bob of simple pendulum having length $$l$$, is displaced from mean position to an angular position q with respect to 21. The equations of two waves acting in perpendicular directions are given as x = $$a$$cos($$\omega $$t +$$\delta $$) and 22. A string is cut into three parts, having fundamental frequencies n1, n2, n3 respectively. Then original fundamental fre 23. Electric field at centre O of semicircle of radius $$a$$ having linear charge density $$\lambda $$ given as 24. A charge Q is situated at the corner of a cube, the electric flux passed through all the six faces of the cube is 25. A capacitor is charged with a battery and energy stored is U. After disconnecting battery another capacitor of same capa 26. The net resistance of the circuit between A and B is 27. A car battery of emf 12 V and internal resistance $$5 \times {10^{ - 2}}$$ $$\Omega $$., receives a current of 60 amp, f 28. Two bulbs of (40 W, 200 V), and (100 W, 200 V). Then correct relation for their resistances 29. The potentiometer is best for measuring voltage, as 30. The magnetic field at centre, P will be 31. The frequency order for $$\gamma $$-rays (a), X-rays (b), UV rays (c) is 32. A bubble in glass slab ($$\mu $$ = 1.5) when viewed from one side appears at 5 cm and 2 cm from other side, then thickne 33. Rainbow is formed due to 34. For a plano convex lens ($$\mu $$ = 1.5) has radius of curvature 10 cm. It is silvered on its plane surface. Find focal 35. A tall man of height 6 feet, want to see his full image. Then required minimum length of the mirror will be 36. By photoelectric effect, Einstein proved 37. Who evaluated the mass of electron infirectly with help of charge 38. Nuclear fission is best explained by 39. When an electron does transition from n = 4 to n = 2, then emitted line spectrum will be 40. Maximum frequency of emission is obtained for the transition 41. The cations and anions are arranged in alternate form in 42. From the following diode circuit, which diode is in forward biased condition

AIPMT 2000

MCQ (Single Correct Answer)

-1

By which action a seed coat becomes permeable to water

scarification

stratification

vernalization

all of the above.

AIPMT 2000

MCQ (Single Correct Answer)

-1

Which hormone is responsible for fruit ripening?

Ethylene

Auxin

Ethyl chloride

Cyctokinin

AIPMT 2000

MCQ (Single Correct Answer)

-1

Differennce between pulmonary artery and pulmonary vein is that, the pulmonary artery has

no endothelium

valves

thicker walls

oxygenated blood.

AIPMT 2000

MCQ (Single Correct Answer)

-1

In which point, pulmonary artery is different from pulmonary vein?

Its lumen is broad

Its wall is thick

It has valves

It does not posses endothelium.

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