Biology
1. Select the wrong statement. 2. Which one is a wrong statement? 3. In which group of organisms the cell walls form two thin overlapping shells which fit together? 4. Pick up the wrong statement. 5. The structures that help some bacteria to attach to rocks and/or host tissues are 6. Choose the wrong statement. 7. Cell wall is absent in 8. Body having meshwork of cells, internal cavities lined with food filtering flagellated cells and indirect development ar 9. Metagenesis refers to 10. A jawless fish, which lays eggs in fresh water and whose ammocoetes larvae after metamorphosis return to the ocean is 11. The wheat grain has an embryo with one large, shield shaped cotyledon known as 12. Among China rose, mustard, brinjal, potato, guava, cucumber, onion and tulip, how many plants have superior ovary? 13. Axile placentation is present in 14. Roots play insignificant role in absorption of water in 15. Which of the following biomolecules does have a phosphodiester bond? 16. The chitinous exoskeleton of arthropods is formed by the polymerisation of 17. Arrange the following events of meiosis in correct sequence
(i) Crossing over
(ii) Synapsis
(iii) 18. Root pressure develops due to 19. A column of water within xylem vessels of tall trees does not break under its weight because of 20. The oxygen evolved during photosynthesis, comes from water molecules. Which one of the following pairs of elements is in 21. During biological nitrogen fixation, inactivation of nitrogenase by oxygen poisoning is prevented by 22. Chromatophores take part in 23. In photosynthesis, the light-independent reactions take place at 24. Auxin can be bioassayed by 25. The enzyme that is not present in succus entericus is 26. The primary dentition in human differs from permanent dentition in not having one of the following type of teeth. 27. Name the pulmonary disease in which alveolar surface area involved in gas exchage is drastically reduced due to damage i 28. Which one of the following animals has two separate circulatory pathways? 29. Doctors use stethoscope to hear the sounds produced during each cardiac cycle. The second sound is heard when 30. Human urine is usually acidic because 31. Which of the following is not a function of the skeletal system? 32. Which of the following joints would allow no movements? 33. Destruction of the anterior horn cells of the spinal cord would result in loss of 34. In mammalian eye, the 'fovea' is the center of the visual field, where 35. Which one of the following hormones though synthesised elsewhere, is stored and released by the master gland? 36. Which one of the following hormones is not involved in sugar metabolism? 37. Which of the following pairs is not correctly matched? 38. Filiform apparatus is characteristic feature of 39. In angiosperms, microsporogenesis and mega-sporogenesis 40. Flowers are unisexual in 41. Which one of the following fruits is parthenocarpic? 42. Coconut water from a tender coconut is 43. Male gametophyte in angiosperms produces 44. In human females, meiosis-II is not completed until 45. Ectopic pregnancies are referred to as 46. Which of the following events is not associated with ovulation in human life? 47. Which of the following layers in an antral follicle is acellular? 48. A childless couple can be assisted to have a
child through a technique called GIFT. The
full form of this technique is : 49. Which one of the following is not
applicable to RNA? 50. Balbiani rings are sites of : 51. Identify the correct order of organisation of
genetic material from largest to smallest :
52. Satellite DNA is important because it : 53. Which of the following diseases is caused
by a protozoan? 54. If you suspect major deficiency of
antibodies in a person, to which of the
following would you look for confirmatory
evi 55. Which of the following immunoglobulins
does constitute the largest percentage in
human milk? 56. Grafted kidney may be rejected in a patient
due to - 57. Outbreeding is an important strategy of
animal husbandry because it : 58. A protoplast is a cell - 59. Match the following list of microbes and
their importance -
.tg {border-collapse:collapse;border-spacing:0;width:100% 60. The DNA molecule to which the gene of
interest is integrated for cloning is called - 61. The cutting of DNA at specific locations
became possible with the discovery of - 62. Golden rice is a genetically modified crop
plant where the incorporated gene is meant
for biosynthesis of - 63. The introduction of t-DNA into plants
involves - 64. In which of the following interactions both
partners are adversely affected? 65. An association of individuals of different
species living in the same habitat and
having functional interactions is - 66. Most animals that live in deep oceanic
waters are - 67. During ecological succession : 68. In which of the following both pairs have
correct combination? 69. The species confined to a particular region
and not found elsewhere is termed as - 70. Acid rain is caused by increase in the
atmospheric concentration of - 71. Eutrophication of water bodies leading to
killing of fishes is mainly due to nonavailability of - 72. The UN conference of Parties on climate
change in the year 2012 was held at : 73. Increase in concentration of the toxicant at
successive trophic levels is known as : 74. Which of the following are most suitable
indicators of SO2 pollution in the
environment? 75. Read the different components from (1) to
(4) in the list given below and tell the
correct order of the components with
76. The body cell in cockroach discharge their
nitrogenous waste in the haemolymph
mainly in the form of - 77. The function of the gap junction is to - 78. Match the columns and identify the correct
option.
.tg {border-collapse:collapse;border-spacing:0;width:100%}
.tg td{f 79. Which of the following structures is not
found in a prokaryotic cell? 80. Cellular organelles with membranes are - 81. Which of the following are not membranebound ? 82. The imperfect fungi which are decomposers
of litter and help in mineral cycling belong to
Chemistry
1. 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 2. If Avogadro number NA, is changed from 6.022 $$ \times $$ 1023 mol$$-$$1 to 6.022 $$ \times $$ 1020 mol$$-$$1, this woul 3. The number of water molecules is maximum in 4. Which is the correct order of increasing energy of the listed orbitals in the atom of titanium ? (At. no. Z = 22) 5. In which of the following pairs, both the species are not isostructural ? 6. Decreasing order of stability of O2, O2$$-$$, O2+ and O22$$-$$ is 7. A gas such as carbon monoxide would be most likely to obey the ideal gas law at 8. 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 9. What is the pH of the resulting solution when equal volumes of 0.1 M NaOH and 0.01 M HCl are mixed? 10. If the equilibrium constant for
N2(g) + O2(g) $$\rightleftharpoons$$ 2NO(g) is K, the equilibrium
constant for $${1 \o 11. Aqueous solution of which of the following compounds is the best conductor of electric current ? 12. Which one of the following pairs of solution is not an acidic buffer ? 13. Which of the following statements is not correct for a nucleophile? 14. Which of the following is not the product of dehydration of
15. 2,3-Dimethyl-2-butene can be prepared by heating which of the following compounds with a strong acid? 16. In the reaction with HCl, an alkene reacts in accordance with the Markovnikov's rule to give a product 1-chloro-1 methyl 17. The possible stereo-structures of CH3CHOHCOOH, which are optically active, are called 18. In an SN1 reaction on chiral centers, there is 19. Reaction of phenol with chloroform in presence of dilute sodium hydroxide finally introduces which one of the following 20. Which of the following reaction(s) can be used for the preparation of alkyl halides?
21. 20.0 g of a magnesium carbonate sample decomposes on heating to give carbon dioxide and 8.0 g magnesium oxide. What will 22. On heating which of the following releases CO2 most easily? 23. The oxidation of benzene by V2O5 in the presence of air produces 24. Reaction of a carbonyl compound with one of the following reagents involves nucleophilic addition followed by eliminatio 25. Which one of the following esters gets hydrolysed most easily under alkaline conditions? 26. The following reaction
is known by the name 27. Method by which aniline cannot be prepared is 28. The number of structural isomers possible from the molecular formula C3H9N is 29. Caprolactam is used for the manufacture of 30. The vacant space in bcc lattice unit cell is 31. The correct statement regarding defects in crystalline solids is 32. What is the mole fraction of the solute in a 1.00 m aqueous solution? 33. The rate constant of the reaction A $$ \to $$ B is 0.6 $$ \times $$ 10$$-$$3 mol L$$-$$1 s$$-$$1. If the concentration 34. The stability of +1 oxidation state among Al, Ga, In and Tl increases in the sequence 35. The variation of the boiling points of the hydrogen halides is in the order HF > HI > HBr > HCl.
What explains 36. Strong reducing behavior of H3PO2 is due to 37. The formation of the oxide ion, O2$$-$$(g) from oxygen atom requires first an exthermic and then an endothermic step as 38. Which of the statements given below is incorrect? 39. In the extraction of copper from its sulphide ore. the metal is finally obtained by the reduction of cuprous oxide with 40. Assuming complete ionisation, same moles of which of the following compounds will require the least amount of acidified 41. Gadolinium belongs to 4f series. Its atomic number is 64. Which of the following is the correct electronic configuration 42. The sum of coordination number and oxidation number of the metal M in the complex [M(en)2(C2O4)]Cl (where en is ethylene 43. The hybridization involved in complex [Ni(CN)4]$$2-$$ is (At. No. Ni = 28) 44. The name of complex ion, [Fe(CN)6]3$$-$$ is 45. Number of possible isomers for the complex [Co(en)2Cl2]Cl will be (en = ethylenediamine)
Physics
1. If dimensions of critical velocity $$\upsilon $$c of a liquid flowing through a tube are expressed as $$\left[ {{\eta ^x 2. If vectors $$\overrightarrow A = \cos \omega t\widehat i + \sin \omega t\widehat j$$ and $$\overrightarrow B = \cos {{ 3. The positions vector of a particle $$\overrightarrow R $$ as a function of time is given by $$\overrightarrow R $$ = 4si 4. Two stones of masses m and 2m are whirled in horizontal circles, the heavier one in a radius $${r \over 2}$$ and the lig 5. A plank with a box on it at one end is gradually raised about the other end. As the angle of inclination with the horizo 6. Two particles A and B, move with constant velocities $$\overrightarrow {{v_1}} $$ and $$\overrightarrow {{v_2}} $$. At t 7. The heart of a man pumps 5 litres of blood through the arteries per minute at a pressure of 150 mm of mercury. If the d 8. A ball is thrown vertically downwards from a height of 20 m with an initial velocity v0. It collides with the ground, lo 9. On a frictionless surface, a block of mass M moving at speed v collides elastically with another block of same mass M wh 10. Point masses m1 and m2 are placed at the opposite ends of a rigid rod of length L, and negligible mass. The rod is to be 11. An automobile moves on a road with a speed of 54 km h$$-$$1. The radius of its wheels is 0.45 m and the moment of inerti 12. A force $$\overrightarrow F = \alpha \widehat i + 3\widehat j + 6\widehat k$$ is acting at a point $$\overrightarrow r 13. A remote-sensing satellite of earth revolves in a circular orbit at a height of 0.25 $$ \times $$ 106 m above the surfac 14. A satellite S is moving in an elliptical orbit around the earth. The mass of the satellite is very small compared to the 15. Water rises to a height h in capillary tube. If the length of capillary tube above the surface of water is made less tha 16. The value of coefficient of volume expansion of glycerin is 5 $$ \times $$ 10$$-$$4 K$$-$$1. The fractional change in th 17. 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 18. 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 19. An ideal gas is compressed to half its initial volume by means of several processes. Which of the process results in th 20. The coefficient of performance of a refrigerator is 5. If the temperature inside freezer is $$-$$20oC, the temperature o 21. Two vessels separately contain two ideal gases A and B at the same temperature, the pressure of A being twice that of B. 22. A particle is executing a simple harmonic motion. Its maximum acceleration is $$\alpha $$ and maximum velocity is $$\bet 23. 4.0 g of a gas occupies 22.4 litres at NTP. The specific heat capacity of the gas at constant volume is 5.0 J K$$-$$1 mo 24. A source of sound S emitting waves of frequency 100 Hz and an observer O are located at some distance from each other. T 25. A string is stretched between fixed points separated by 75.0 cm. It is observed to have resonant frequencies of 420 Hz 26. The fundamental frequency of a closed organ pipe of length 20 cm is equal to the second overtone of an organ pipe open a 27. A parallel plate air capacitor has capacity C, distance of separation between plates is d and potential difference $$V$$ 28. If potential (in volts) in a region is expressed as V(x, y, z) = 6xy $$-$$ y + 2yz, the electric field (in N/C) at point 29. Two metal wires of identical dimensions are connected in series. If $$\sigma $$1 and $$\sigma $$2 are the conductivity o 30. A circuit contains an ammeter, a battery of 30 V and a resistance 40.8 ohm all connected in series. If the ammeter has 31. A potentiometer wire of length L and a resistance r are connected in series with a battery of e.m.f. E0 and a resistance 32. A proton and an alpha particle both enter a region of uniform magnetic field B, moving at right angles to the field B. I 33. A rectangular coil of length 0.12 m and width 0.1 m having 50 turns of wire is suspended vertically in a uniform magneti 34. A series R-C circuit is connected to an alternating voltage source. Consider two situations :
(a) When capac 35. An electron moves on a straight line path XY as shown. The abcd is a coil adjacent to the path of electron. What will be 36. The energy of the em waves is of the order of 15 keV. To which part of the spectrum does it belong ? 37. At the first minimum adjacent to the central maximum of a single-slit diffraction pattern, the phase difference between 38. A beam of light consisting of red, green and blue colours is incifent on a right angled prism. The refractive index of t 39. In an astronomical telescope in normal adjustment a straight black line of length L is drawn on inside part of objective 40. Two slits in Young's experiment have widths in the ratio 1 : 25. The ratio of intensity at the maxima and minima in the 41. A photoelectric surface is illuminated successively by monochromatic light of wavelength $$\lambda $$ and If the maximum 42. Light of wavelength 500 nm is incifent on a metal with work function 2.28 eV. The de Broglie wavelength of the emitted e 43. A nucleus of uranium decays at rest into nuclei of thorium and helium. Then 44. In the spectrum of hydrogen, the ratio of the longest wavelength in the Lyman series to the longest wavelength in the Ba 45. The input signal given to a CE amplifier having a voltage gain of 150 is Vi = 2cos(15t + $${\pi \over 3}$$). The corres 46. In the given figure, a diode D is connected to an external resistance R = 100 $$\Omega $$ and an e.m.f. of 3.5 V. If the
1
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
In which of the following interactions both
partners are adversely affected?
A
Competition
B
Predation
C
Mutualism
D
Parasitism
2
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
An association of individuals of different
species living in the same habitat and
having functional interactions is -
A
Ecological niche
B
Ecosystem
C
Population
D
Biotic community
3
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Most animals that live in deep oceanic
waters are -
A
primary consumers
B
detritivores
C
tertiary consumers
D
secondary consumers
4
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
During ecological succession :
A
the establishment of a new biotic
community is very fast in its primary
phase.
B
the numbers and types of animals
remain constant.
C
the changes lead to a ommunity that is
in near equilibrium with the
environment and is called pioneer
community
D
the gradual and predictable change in
species composition occurs in a given
area
Paper analysis
Total Questions
Biology
82
Chemistry
45
Physics
46
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