Biology
1. Sliding filament theory can be best explained as 2. What causes a green plant exposed to the light, on only one side, to bend towards the source of light as it grows? 3. Typical growth curve in plants is 4. When you hold your breath, which of the following gas changes in blood would first lead to the urge to breathe? 5. Erythropoiesis starts in 6. Blood pressure in the mammalian aorta is maximum during 7. Which one of the following is correct? 8. Which of the following does not favour the formation of large quantities of dilute urine? 9. Removal of proximal convoluated tubule from the nephron will result in 10. Cytochromes are found in 11. Glenoid cavity articulates 12. Which of the following regions of the brain is incorrectly paired with its function? 13. A gymnast is able to balance his body upside down even in the total darkness because of 14. A chemical signal that has both endocrine and neural roles is 15. Which one of the following may require pollinators, but is genetically similar to autogamy? 16. Which of the following are the important floral rewards to the animal pollinators ? 17. Which one of the following statements is not true? 18. Transmission tissue is characteristic feature of 19. Capacitation refers to changes in the 20. Perigynous flowers are found in 21. Which one of the following matches is correct?
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.tg td{font- 22. True nucleus is absent in 23. In which of the following, gametophyte is not independent free living? 24. Which one of the following statements is wrong? 25. Read the following five statements (A to E) and select the option with all correct statements.
A. Mosse 26. Male gametes are flagellated in 27. Which of the following endoparasites of humans does show viviparity? 28. Which of the following represents the correct combination without any exception? 29. Which of the following animals is not viviparous? 30. Which of the following characteristics is mainly responsible for diversification of insects on land? 31. Hysterectomy is surgical removal of 32. Keel is the characteristic feature of flower of 33. Leaves become modified into spines in 34.
is the floral formula of 35. Which one of the following statements is incorrect? 36. A somatic cell that has just completed the S phase of its cell cycle, as compared to gamete of the same species, has 37. Select the correct option.
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.tg td{font-family:Arial, san 38. The structures that are formed by stacking of organized flattened membranous sacs in the chloroplasts are 39. Cryopreservation of gametes of threatened species in viable and fertile condition can be referred to as: 40. A major characteristic of the monocot root is the presence of :
41. Vascular bundles in monocotyledons are considered closed because 42. The terga, sterna and pleura of cockroach body are joined by :
43. Nuclear envelope is a derivative of :
44. DNA is not present in : 45. In which of the following both pairs have correct combination ? 46. The chromosomes in which centromere is situated close to one end are :
47. Which one of the following is not an inclusion body found in prokaryotes? 48. Select the correct matching in the following pairs : 49. The hilum is a scar on the 50. The movement of a gene from one linkage group
to another is called 51. Alleles are 52. Multiple alleles are present 53. How many pairs of contrasting characters in pea
plants were studied by Mendel in his
experiments?
54. A man with blood group ‘A’ marries a woman
with blood group ‘B’. What are all the possible
blood groups of their offspri 55. An abnormal human baby with ‘XXX’ sex
chromosomes was born due to
56. Which of the following cells during gametogenesis is normally diploid? 57. Which of these is not an important component of initiation of parturition in humans? 58. Which of the following is not a sexually transmitted desease? 59. Which of the following viruses is not transferred through semen of an infected male? 60. Gene regulation governing lactose operon of E.coli that involves the lac I gene product is 61. In sea urchin DNA, which is double stranded, 17% of the bases were shown to be cytosine, The percentages of the other th 62. Match each disease with its correct type of vaccine
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.tg td{ 63. HIV that causes AIDS, first starts destroying 64. The active form of Entamoeba histolytica feeds upon 65. The guts of cow and buffalo possess 66. In Bt cotton, the Bt toxin present in plant tissue as pro - toxin is converted into active toxin due to : 67. The crops engineered for glyphosate are resistant/ tolerant to : 68. Which body of the Government of India regulates GM research and safety of introducing GM organisms for public services ? 69. The following graph depicts changes in two populations (A and B) of herbivores in a grassy field. A possible reason for 70. Vertical distribution of different species occupying different levels in a biotic community is known as : 71. Secondary Succession takes place on/in : 72. The mass of living material at a trophic level at a particular time is called : 73. Most animals are tree dwellers in a: 74. In an ecosystem the rate of production of organic matter during photosynthesis is termed as :
Chemistry
1. Which of these statements about [Co(CN)6]3$$-$$ is true? 2. A mixture of gases contains H2 and O2 gases in the ratio of 1 : 4 (w/w). What is the molar ratio of the two gases in the 3. A device that converts energy of combustion of fuels like hydrogen and methane, directly into electrical energy is known 4. The reaction,
is called 5. An organic compound 'X' having molecular formula C5H10O yields phenylhydrazone and gives negative response to the iodofo 6. The electrolytic reduction of nitrobenzene in strongly acidic medium produces 7. The boiling point of 0.2 mol kg$$-$$1 solution of X in water is greater than equimolal solution of Y in water. Which on 8. Which of them is not equal to zero for an ideal solution? 9. Which one of the following electrolytes has the same value of van't Hoff factor (i) as that of Al2(SO4)3 (if all are 100 10. The reaction of C6H5CH $$=$$ CHCH3 with HBr produces 11. The activation energy of a reaction can be determined from the slope of which of the following graphs? 12. When initial concentration of a reactant is doubled in a reaction, its half-life period is not affected. The order of th 13. Nitrogen dioxide and sulphur dioxide have some properties in common . Which property is shown by one of these compounds 14. Magnetic moment 2.84 B.M. is given by (At. nos. Ni = 28, Ti = 22, Cr = 24, Co = 27) 15. Because of lanthanoid contraction, which of the following pairs of elements have nearly same atomic radii? (Numbers in 16. Which of the following processes does not involve oxidation of iron? 17. Cobalt (III) chloride forms several octahedral complexes with ammonia. Which of the following will not give test for chl 18. Treatment of cyclopentanone
with methyl lithium gives which of the following species ? 19. The number of d-electrons in Fe2+ (Z = 26) is not equal to the number of electrons in which one of the following ? 20. The angular momentum of electron in 'd' orbital is equal to 21. The species Ar, K+ and Ca2+ contain the same number of electrons. In which order do their radii increase ? 22. Which of the following options represents the correct bond order ? 23. The correct bond order in the following species is 24. Which of the following pairs of ions are isoelectronic and isostructural ? 25. Maximum bond angle at nitrogen is present in which of the following ? 26. The Ksp of Ag2CrO4, AgCl, AgBr and Agl are respectively, 1.1 $$ \times $$ 10$$- 27. Which of the following statements is correct for a reversible process in a state of equilibrium? 28. If the value of equilibrium constant for a particular reaction is 1.6 $$ \times $$ 1012, then at equilibrium the system 29. The total number of $$\pi $$-bond electrons in the following structure is
30. Given :
Which of the given compounds can exhibit tautomerism? 31. Which of the following species contains equal number of $$\sigma $$- and $$\pi $$-bonds ? 32. Which of the following is the most correct electron displacement for a nucleophilic reaction to take place? 33. In Duma's method for estimation of nitrogen, 0.25 g of an organic compound gave 40 mL of nitrogen collected at 300 K te 34. The enolic form of ethyl accetoacetate as shown below has
35. In which of the following compounds, the C$$-$$Cl bond ionisation shall give most stable carbonium ion? 36. Consider the following compounds :
Hyperconjunction occurs in 37. A single compound of the structure,
is obtainable from ozonolysis of which of the following cyclic compounds? 38. Given :
The enthalpy of hydrogenation of these compounds will be in the order as
Physics
1. A radiation of energy 'E' falls normally on a perfectly reflecting surface. The momentum transferred to the surface is ( 2. When two displacements represented by y1 = a sin$${\left( {\omega t} \right)}$$ and y2 = b cos$${\left( {\omega t} \righ 3. The electric field in a certain region is acting radially outward and is given by E = Ar. A charge contained in a sphere 4. A parallel plate air capacitor of capacitance C is connected to a cell of emf V and then disconnected from it. A dielect 5. Across a metallic conductor of non-uniform cross section a constant potential difference is applied. The quantity which 6. A, B and C are voltmeters of resistance R, 1.5 R and 3R respectively as shown in the figure. When some potential differe 7. A potentiometer wire has length 4 m and resistance 8 $$\Omega $$. The resistance that must be connected in series with t 8. An electron moving in a circular orbit of radius r makes n rotations per second. The magnetic field produced at the cent 9. A conducting square frame of side 'a' and a long straight wire carrying current $$I$$ are located in the same plane as s 10. A wire carrying current $$I$$ has the shape shown in adjoining figure.
Linear parts of the wire are very long and para 11. A resistance 'R' draws power 'P' when connected to an AC source. If an inductance is now placed in series with the resis 12. A particle is executing SHM along a straight line. Its velocities at distances x1 and x2 from the mean position are V1 a 13. For a parallel beam of monochromatic light of wavelength '$$\lambda $$' , diffraction is produced by a single slit whose 14. Two identical thin plano-convex glass lenses (refractive index 1.5) each having radius of curvature of 20 cm are placed 15. In a double slit experiment, the two slits are 1 mm apart and the screen is placed 1 m away. A monochromatic light of wa 16. The refracting angle of a prism is A, and refractive index of the material of the prism is cot (A/2). The angle of minim 17. A certain metallic surface is illuminated with monochromatic light of wavelength, $$\lambda .$$ The stopping potential f 18. Which of the following figures represent the variation of particle momentum and the associated de-Broglie wavelength? 19. Consider 3rd orbit of He+ (Helium), using non-relativistic approach, the speed of electron in this orbit will be [given 20. Which logic gate is represented by the following combination of logic gates ?
21. If in a p-n junction, a square input signal of 10 V is applied, as shown,
then the output across RL will be 22. A mass m moves in a circle on a smooth horizontal plane with velocity v0 at a radius R0. The mass is attached to a strin 23. A particle of unit mass undergoes one-dimensional motion such that its velocity varies according to $$v\left( x \right) 24. A ship A is moving Westwards with a speed of 10 km h$$-$$1 and a ship B 100 km South of A, is moving Northwards with a s 25. A block A of mass m1 rests on a horizontal table. A light string connected to it passes over a frictionless pully at the 26. Three blocks A, B and C, of masses 4 kg, 2 kg and 1 kg respectively, are in contact on a frictionless surface, as shown. 27. A block of mass 10 kg, moving in x direction with a constant speed of 10 m s$$-$$1, is subjected to a retarding force F 28. A particle of mass m is driven by a machine that delivers a constant power k watts. If the particle starts from rest the 29. Two particles of masses m1, m2 move with initial velocities u1 and u2. On collision, one of the particles get excited t 30. Two similar springs P and Q have spring constants KP and KQ, such that KP > KQ. They are stretched first by the same 31. A rod of weight W is supported by two parallel knife edges A and B and is in equilibrium in a horizontal position. The k 32. Three identical spherical shells, each of mass m and radius r are placed as shown in figure. Consider an axis XX' which 33. Kepler's third law states that square of period of revoluation (T) of a planet around the sun, is proportional to third 34. Two spherical bodies of mass M and 5M and radii R and 2R are released in free space with initial separation between thei 35. The two ends of a metal rod are maintained at temperatures 100oC and 110oC. The rate of heat flow in the rod is found to 36. A wind with speed 40 m/s blows parallel to the roof of a house. The area of the roof is 250 m2. Assuming that the pressu 37. On observing light from three different starts P, Q and R, it was found that intensity of violet colour is maximum in th 38. The approximate depth of an ocean is 2700 m. The compressiblity of water is 45.4 $$ \times $$ 10$$-$$11 Pa$$-$$1 and den 39. The ratio of the specific heats $${{{C_p}} \over {{C_v}}} = \gamma $$ in terms of degrees of freedom (n) is given by 40. A Carnot engine, having an efficiency of as heat engine, is used as a refrigerator. If the work done on the system is 10 41. Figure below shows two paths that may be taken by a gas to go from a state A to a state C.
In process AB, 400 J of heat 42. One mole of an ideal diatomic gas undergoes a transition from A to B along a path AB as shown in the figure.
The chang 43. If energy (E), velocity (V) and time (T) are chosen as the fundamental quantities, the dimensional formula of surface te
1
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
Keel is the characteristic feature of flower of
A
Aloe
B
tomato
C
tulip
D
Indigofera.
2
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
Leaves become modified into spines in
A
onion
B
silk cotton
C
Opuntia
D
pea
3
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
is the floral formula of A
Petunia
B
Brassica
C
Allium
D
Sesbania.
4
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
Which one of the following statements is incorrect?
A
The compettive inhibitor does not affect the rate of breakdown of the enzyme -substrate complex.
B
The presence of the competitive inhibitor decreases the Km of the enzyme for the substrate
C
A competitive inhibitor reacts reversibly with the enzyme to form and enzyme-inhibitor complex.
D
In competitive inhibition, the inhibitor molecules is not chemically changed by the enzyme.
Paper analysis
Total Questions
Biology
74
Chemistry
38
Physics
43
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