Biology
1. Doctors use stethoscope to hear the sounds produced during each cardiac cycle. The second sound is heard when 2. Chromatophores take part in 3. In photosynthesis, the light-independent reactions take place at 4. Auxin can be bioassayed by 5. Name the pulmonary disease in which alveolar surface area involved in gas exchage is drastically reduced due to damage i 6. Which one of the following animals has two separate circulatory pathways? 7. Human urine is usually acidic because 8. Which of the following is not a function of the skeletal system? 9. Which of the following joints would allow no movements? 10. Destruction of the anterior horn cells of the spinal cord would result in loss of 11. In angiosperms, microsporogenesis and mega-sporogenesis 12. Which one of the following fruits is parthenocarpic? 13. Filiform apparatus is characteristic feature of 14. Which one of the following hormones is not involved in sugar metabolism? 15. Which one is a wrong statement? 16. In which group of organisms the cell walls form two thin overlapping shells which fit together? 17. Pick up the wrong statement. 18. Select the wrong statement. 19. Choose the wrong statement. 20. The structures that help some bacteria to attach to rocks and/or host tissues are 21. Cell wall is absent in 22. Coconut water from a tender coconut is 23. Body having meshwork of cells, internal cavities lined with food filtering flagellated cells and indirect development ar 24. A jawless fish, which lays eggs in fresh water and whose ammocoetes larvae after metamorphosis return to the ocean is 25. Metagenesis refers to 26. The wheat grain has an embryo with one large, shield shaped cotyledon known as 27. Roots play insignificant role in absorption of water in 28. Axile placentation is present in 29. Among China rose, mustard, brinjal, potato, guava, cucumber, onion and tulip, how many plants have superior ovary? 30. The chitinous exoskeleton of arthropods is formed by the polymerisation of 31. Arrange the following events of meiosis in correct sequence
(i) Crossing over
(ii) Synapsis
(iii) 32. Which of the following biomolecules does have a phosphodiester bond? 33. The introduction of t-DNA into plants
involves - 34. An association of individuals of different
species living in the same habitat and
having functional interactions is - 35. Golden rice is a genetically modified crop
plant where the incorporated gene is meant
for biosynthesis of - 36. In which of the following interactions both
partners are adversely affected? 37. During ecological succession : 38. Most animals that live in deep oceanic
waters are - 39. The species confined to a particular region
and not found elsewhere is termed as - 40. In which of the following both pairs have
correct combination? 41. The function of the gap junction is to - 42. The cutting of DNA at specific locations
became possible with the discovery of - 43. The body cell in cockroach discharge their
nitrogenous waste in the haemolymph
mainly in the form of - 44. Read the different components from (1) to
(4) in the list given below and tell the
correct order of the components with
45. Which of the following structures is not
found in a prokaryotic cell? 46. The imperfect fungi which are decomposers
of litter and help in mineral cycling belong to 47. Cellular organelles with membranes are - 48. Match the columns and identify the correct
option.
.tg {border-collapse:collapse;border-spacing:0;width:100%}
.tg td{f 49. Which of the following are not membranebound ? 50. Identify the correct order of organisation of
genetic material from largest to smallest :
51. Which one of the following hormones though synthesised elsewhere, is stored and released by the master gland? 52. Flowers are unisexual in 53. Male gametophyte in angiosperms produces 54. Ectopic pregnancies are referred to as 55. Which of the following events is not associated with ovulation in human life? 56. In human females, meiosis-II is not completed until 57. Which of the following layers in an antral follicle is acellular? 58. A childless couple can be assisted to have a
child through a technique called GIFT. The
full form of this technique is : 59. Satellite DNA is important because it : 60. Which one of the following is not
applicable to RNA? 61. Balbiani rings are sites of : 62. Which of the following immunoglobulins
does constitute the largest percentage in
human milk? 63. Grafted kidney may be rejected in a patient
due to - 64. If you suspect major deficiency of
antibodies in a person, to which of the
following would you look for confirmatory
evi 65. Which of the following diseases is caused
by a protozoan? 66. Match the following list of microbes and
their importance -
.tg {border-collapse:collapse;border-spacing:0;width:100% 67. The DNA molecule to which the gene of
interest is integrated for cloning is called -
Chemistry
1. The sum of coordination number and oxidation number of the metal M in the complex [M(en)2(C2O4)]Cl (where en is ethylene 2. The hybridization involved in complex [Ni(CN)4]$$2-$$ is (At. No. Ni = 28) 3. The name of complex ion, [Fe(CN)6]3$$-$$ is 4. Number of possible isomers for the complex [Co(en)2Cl2]Cl will be (en = ethylenediamine) 5. Gadolinium belongs to 4f series. Its atomic number is 64. Which of the following is the correct electronic configuration 6. What is the mole fraction of the solute in a 1.00 m aqueous solution? 7. Reaction of phenol with chloroform in presence of dilute sodium hydroxide finally introduces which one of the following 8. Which one of the following esters gets hydrolysed most easily under alkaline conditions? 9. The oxidation of benzene by V2O5 in the presence of air produces 10. Reaction of a carbonyl compound with one of the following reagents involves nucleophilic addition followed by eliminatio 11. The number of structural isomers possible from the molecular formula C3H9N is 12. The following reaction
is known by the name 13. Method by which aniline cannot be prepared is 14. Which of the following reaction(s) can be used for the preparation of alkyl halides?
15. The rate constant of the reaction A $$ \to $$ B is 0.6 $$ \times $$ 10$$-$$3 mol L$$-$$1 s$$-$$1. If the concentration 16. Strong reducing behavior of H3PO2 is due to 17. The formation of the oxide ion, O2$$-$$(g) from oxygen atom requires first an exthermic and then an endothermic step as 18. Which of the statements given below is incorrect? 19. The stability of +1 oxidation state among Al, Ga, In and Tl increases in the sequence 20. The variation of the boiling points of the hydrogen halides is in the order HF > HI > HBr > HCl.
What explains 21. Assuming complete ionisation, same moles of which of the following compounds will require the least amount of acidified 22. If the equilibrium constant for
N2(g) + O2(g) $$\rightleftharpoons$$ 2NO(g) is K, the equilibrium
constant for $${1 \o 23. What is the mass of the precipitate formed when 50 mL of 16.9% solution of AgNO3 is mixed with 50 mL of 5.8% NaCl solut 24. The number of water molecules is maximum in 25. If Avogadro number NA, is changed from 6.022 $$ \times $$ 1023 mol$$-$$1 to 6.022 $$ \times $$ 1020 mol$$-$$1, this woul 26. Which is the correct order of increasing energy of the listed orbitals in the atom of titanium ? (At. no. Z = 22) 27. Decreasing order of stability of O2, O2$$-$$, O2+ and O22$$-$$ is 28. In which of the following pairs, both the species are not isostructural ? 29. Aqueous solution of which of the following compounds is the best conductor of electric current ? 30. The heat of combination of carbon to CO2 is $$-$$393.5 kJ/mol. The heat released upon formation of 35.2 g of CO2 from ca 31. What is the pH of the resulting solution when equal volumes of 0.1 M NaOH and 0.01 M HCl are mixed? 32. Which one of the following pairs of solution is not an acidic buffer ? 33. Which of the following statements is not correct for a nucleophile? 34. Which of the following is not the product of dehydration of
35. 2,3-Dimethyl-2-butene can be prepared by heating which of the following compounds with a strong acid? 36. In the reaction with HCl, an alkene reacts in accordance with the Markovnikov's rule to give a product 1-chloro-1 methyl 37. The possible stereo-structures of CH3CHOHCOOH, which are optically active, are called 38. In an SN1 reaction on chiral centers, there is
Physics
1. A potentiometer wire of length L and a resistance r are connected in series with a battery of e.m.f. E0 and a resistance 2. 4.0 g of a gas occupies 22.4 litres at NTP. The specific heat capacity of the gas at constant volume is 5.0 J K$$-$$1 mo 3. A particle is executing a simple harmonic motion. Its maximum acceleration is $$\alpha $$ and maximum velocity is $$\bet 4. A string is stretched between fixed points separated by 75.0 cm. It is observed to have resonant frequencies of 420 Hz 5. The fundamental frequency of a closed organ pipe of length 20 cm is equal to the second overtone of an organ pipe open a 6. A circuit contains an ammeter, a battery of 30 V and a resistance 40.8 ohm all connected in series. If the ammeter has 7. A proton and an alpha particle both enter a region of uniform magnetic field B, moving at right angles to the field B. I 8. Two metal wires of identical dimensions are connected in series. If $$\sigma $$1 and $$\sigma $$2 are the conductivity o 9. A parallel plate air capacitor has capacity C, distance of separation between plates is d and potential difference $$V$$ 10. A rectangular coil of length 0.12 m and width 0.1 m having 50 turns of wire is suspended vertically in a uniform magneti 11. If potential (in volts) in a region is expressed as V(x, y, z) = 6xy $$-$$ y + 2yz, the electric field (in N/C) at point 12. Two slits in Young's experiment have widths in the ratio 1 : 25. The ratio of intensity at the maxima and minima in the 13. A series R-C circuit is connected to an alternating voltage source. Consider two situations :
(a) When capac 14. An electron moves on a straight line path XY as shown. The abcd is a coil adjacent to the path of electron. What will be 15. A beam of light consisting of red, green and blue colours is incifent on a right angled prism. The refractive index of t 16. In an astronomical telescope in normal adjustment a straight black line of length L is drawn on inside part of objective 17. At the first minimum adjacent to the central maximum of a single-slit diffraction pattern, the phase difference between 18. The energy of the em waves is of the order of 15 keV. To which part of the spectrum does it belong ? 19. A nucleus of uranium decays at rest into nuclei of thorium and helium. Then 20. A photoelectric surface is illuminated successively by monochromatic light of wavelength $$\lambda $$ and $$\lambda/2 $$ 21. In the spectrum of hydrogen, the ratio of the longest wavelength in the Lyman series to the longest wavelength in the Ba 22. Point masses m1 and m2 are placed at the opposite ends of a rigid rod of length L, and negligible mass. The rod is to be 23. On a frictionless surface, a block of mass M moving at speed v collides elastically with another block of same mass M wh 24. Two particles A and B, move with constant velocities $$\overrightarrow {{v_1}} $$ and $$\overrightarrow {{v_2}} $$. At t 25. The heart of a man pumps 5 litres of blood through the arteries per minute at a pressure of 150 mm of mercury. If the d 26. If vectors $$\overrightarrow A = \cos \omega t\widehat i + \sin \omega t\widehat j$$ and $$\overrightarrow B = \cos {{ 27. Two stones of masses m and 2m are whirled in horizontal circles, the heavier one in a radius $${r \over 2}$$ and the lig 28. A plank with a box on it at one end is gradually raised about the other end. As the angle of inclination with the horizo 29. The positions vector of a particle $$\overrightarrow R $$ as a function of time is given by $$\overrightarrow R $$ = 4si 30. A ball is thrown vertically downwards from a height of 20 m with an initial velocity v0. It collides with the ground, lo 31. A remote-sensing satellite of earth revolves in a circular orbit at a height of 0.25 $$ \times $$ 106 m above the surfac 32. A force $$\overrightarrow F = \alpha \widehat i + 3\widehat j + 6\widehat k$$ is acting at a point $$\overrightarrow r 33. Light of wavelength 500 nm is incifent on a metal with work function 2.28 eV. The de Broglie wavelength of the emitted e 34. A satellite S is moving in an elliptical orbit around the earth. The mass of the satellite is very small compared to the 35. An automobile moves on a road with a speed of 54 km h$$-$$1. The radius of its wheels is 0.45 m and the moment of inerti 36. Water rises to a height h in capillary tube. If the length of capillary tube above the surface of water is made less tha 37. The value of coefficient of volume expansion of glycerin is 5 $$ \times $$ 10$$-$$4 K$$-$$1. The fractional change in th 38. The cylindrical tube of a spray pump has radius R, one end of which has n fine holes, each of radius r. If the speed of 39. The Young's modulus of steel is twice that of brass. Two wires of same length and of same area of cross section, one of 40. Two vessels separately contain two ideal gases A and B at the same temperature, the pressure of A being twice that of B. 41. An ideal gas is compressed to half its initial volume by means of several processes. Which of the process results in th 42. The coefficient of performance of a refrigerator is 5. If the temperature inside freezer is $$-$$20oC, the temperature o 43. In the given figure, a diode D is connected to an external resistance R = 100 $$\Omega $$ and an e.m.f. of 3.5 V. If the 44. If dimensions of critical velocity $$\upsilon $$c of a liquid flowing through a tube are expressed as $$\left[ {{\eta ^x
1
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
The rate constant of the reaction A $$ \to $$ B is 0.6 $$ \times $$ 10$$-$$3 mol L$$-$$1 s$$-$$1. If the concentration of A is 5 M, then concentration of B after 20 minutes is
A
3.60 M
B
0.36 M
C
0.72 M
D
1.08 M
2
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Strong reducing behavior of H3PO2 is due to
A
high electron gain enthalpy of phosphorus
B
high oxidation state of phosphorus
C
presence of two $$-$$OH groups and one P$$-$$H bond
D
presence of one $$-$$OH group and two P$$-$$H bonds.
3
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
The formation of the oxide ion, O2$$-$$(g) from oxygen atom requires first an exthermic and then an endothermic step as shown below:
O(g) + e$$-$$ $$ \to $$ O$$-$$(g); $$\Delta $$fHo = $$-$$141 kJ mol$$-$$1
O$$-$$(g) + e$$-$$ $$ \to $$ O2$$-$$(g); $$\Delta $$fHo = +780 kJ mol$$-$$1
Thus, process of formation of O2$$-$$ is isoelectronic with neon. It is due to the fact that,
O(g) + e$$-$$ $$ \to $$ O$$-$$(g); $$\Delta $$fHo = $$-$$141 kJ mol$$-$$1
O$$-$$(g) + e$$-$$ $$ \to $$ O2$$-$$(g); $$\Delta $$fHo = +780 kJ mol$$-$$1
Thus, process of formation of O2$$-$$ is isoelectronic with neon. It is due to the fact that,
A
O$$-$$ ion has comparatively smaller size than oxygen atom
B
oxygen is more electronegative
C
addition of electron in oxygen results in larger size of the ion
D
electron repulsion outweighs the stability gained by achieving noble gas configuration.
4
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Which of the statements given below is incorrect?
A
O3 molecule is bent.
B
ONF is isoelectronic with O2N
C
OF2 is an oxides of fluorine.
D
Cl2O7 is an anhydride of perchloric acid.
Paper Analysis
Total Questions
Biology 67
Chemistry 38
Physics 44
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