Biology
1. Nomenclature is governed by certain universal rules. Which one of the following is countrary to the rules of nomenclatur 2. Chrysophytes, Euglenoids, Dinoflagellates
and Slime moulds are included in the Kingdom 3. Which one of the following statements is wrong? 4. One of the major components of cell wall of most fungi is 5. The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals, include the 6. Which of the following statements is wrong for viroids? 7. In bryophytes and pteridophytes, transport of male gametes requires 8. Select the correct statement 9. Which of the following characteristic features always holds true for the corresponding group of animals?
.tg {border-c 10. Which of the following features is not present in the Phylum Arthropoda? 11. Which one of the following characteristics is not shared by birds and mammals? 12. Which of the following is not a stem modification? 13. Stems modified into flat green organs performing the functions of leaves are known as 14. Tricarpellary, syncarpous gynoecium is found in flowers of 15. The standard petal of a papilionaceous corolla is also called 16. Cotyledon of maize grain is called 17. A typical fat molecule is made up of 18. Which one of the following statements is wrong? 19. Spindle fibres attach on to 20. In meiosis crossing over is initiated at 21. Which of the following is not a characteristic feature during mitosis in somatic cells? 22. In which of the following all three are macronutrients? 23. Emerson's enhancement effect and Red drop have been instrumental in the discovery of 24. In a chloroplast the highest number of protons are found in 25. Water vapour comes out from the plant leaf through the stomatal opening. Through the same stomatal opening carbon dioxid 26. Water soluble pigments found in plant cell vacuoles are 27. A plant in your garden avoids photorespiratory losses, has improved water use efficiency, shows high rates of photosynth 28. The Avena curvature is used for bioassay of 29. In the stomach, gastric acid is secreted by the 30. Which of the following guards the opening of hepatopanjcreatic duct into the duodenum? 31. Asthma may be attributed to 32. Reduction in pH of blood will 33. Name the chronic repiratory disorder caused mainly by cigarette smoking. 34. In mammals, which blood vessel would normally carry largest amount of urea? 35. Blood pressure in the pulmonary artery is 36. Lack of relaxation between successive stimuli in sustained muscle contraction is known as 37. Photosensitive compound in human eye is made up of 38. Which of the following pairs of hormones are not antagonistic (having opposite effects) to each other? 39. The amino acid tryptophan is the precursor for the synthesis of 40. The coconut water from tender coconut represents 41. Which one of the following statements is not true? 42. Seed formation without fertilisation in flowering plants involves the process of 43. Proximal end of the filament of stamen is attached to the 44. Which of the following statements is not correct? 45. Fertilisation in humans is practically feasible only if 46. Changes in GnRH pulse frequency in females is controlled by circulating levels of 47. Select the incorrect statement. 48. Identify the correct statement on 'inhibin'. 49. Which of the following approaches does not give the defined action of contraceptive ? 50. In context of Amniocentesis, which of the following statement is incorrect ? 51. In a testcross involving F1 dihybrid flies, more parental-type offspring were produced than the recombinant-typeoffsprin 52. Which of the following most appropriately describes haemophilia ? 53. Match the terms in Column-I with their description in Column-II and choose the correct option :
.tg {border-collapse:c 54. A cell at telophase stage is observed by a student in a plant brought from the field. He tells his teacher that this cel 55. Pick out the correct statements :
(a) Haemophilia is a sex-linked recessive disease.
(b) Down's syndrome is due to aneup 56. A tall true breeding garden pea plant is crossed with a dwarf true breeding garden pea plant. When the F1 plants
were se 57. Which one of the following is the starter codon ? 58. Which of the following is required as inducer(s) for the expression of Lac operon? 59. A complex of ribosomes attached to a single strand of RNA is known as : 60. Which of the following structures is homologus to the wing of a bird ? 61. Analogous structures are a result of : 62. Following are the two statements regarding the origin of life -
(a) The earliest organisms that appeared on the earth we 63. Antivenom injection contains preformed antibodies while polio drops that are administered into the body contain - 64. In higher vertebrates, the immune system can distinguish self-cells and non-self. If this property is lost due to geneti 65. Which of the following statements is not true for cancer cells in relation to mutations ? 66. A system of rotating crops with legume or grass pasture to improve soil structure and fertility is called -
67. Which of the following is wrongly matched in the given table? 68. Which of the following is not a feature of the plasmids ? 69. The taq polymerase enzyme is obtained from 70. Which of the following is not required for any of the techniques of DNA fingerprinting available at present? 71. Which of the following is a restriction endonuclease ? 72. Which part of the tobacco plant is infected by Meloidogyne incognita ? 73. The two polypeptides of human insulin are linked together by 74. It is much easier for a small animals to run uphill than for a large animal, because - 75. Gause's principle of competitive exclusion states that - 76. When does the growth rate of a population following the logistic model equal zero? The logistic model is given as
dN/dt 77. Which of the following would appear as the pioneer organisms on bare rocks? 78. The term ecosystem was coined by : 79. Which one of the following is a characteristic feature of cropland ecosystem ? 80. Which of the following is the most important cause of animals and plants being driven to extinction ? 81. Which is the National Aquatic Animal of India ? 82. Depletion of which gas in the atmosphere can lead to an increased incidence of skin cancers 83. A river with an inflow of domestic sewage rich in organic waste may result in - 84. Joint Forest Management Concept was introduced in India during : 85. Specialised epidermal cells surrounding the guard cells are called - 86. Which type of tissue correctly matches with its locations ? 87. Mitochondria and chloroplast are-
(a) semi-autonomous organelles
(b) formed by division of pre existing organelles and t 88. Microtubules are the constituents of 89. Which one of the following cell organelles is enclosed by a single membrane?
90. Which of the following features is not present
in Periplaneta americana?
Chemistry
1. Two electrons occupying the same orbital are distinguished by 2. In which of the following options the order of arrangement does not agree with the variation of property indicated again 3. Predict the correct order among the following : 4. Consider the molecules CH4, NH3 and H2O.
Which of the given statements is false? 5. Equal moles of hydrogen and oxygen gases are placed in a container with a pin-hole through which both can escape. What f 6. The correct thermodynamic conditions for the spontaneous reaction at all temperatures is 7. Consider the following liquid-vapour equilibrium.
Liquid $$\rightleftharpoons$$ Vapour
Which of the following relation 8. MY and NY3, two nearly insoluble salts, have the same Ksp values of 6.2 $$ \times $$ 10$$-$$13 at room temperature. Whic 9. For the following reactions :
(A) CH3CH2CH2Br + KOH $$ \to $$
&nbs 10. Which of the following biphenyls is optically active ? 11. Consider the nitration of benzene using mixed conc.H2SO4 and HNO3. If a large amount of KHSO4 is added to the mixture, t 12. The correct statement regarding the comparison of staggered and eclipsed conformations of ethane, is 13. The pair of electrons in the given carbanion, CH3C $$ \equiv $$ C$$-$$, is present in which of the following orbitals? 14. In the reaction
X and Y are 15. The reaction
can be classified as 16. Which of the following statements about hydrogen is incorrect? 17. The product obtained as a result of a reaction of nitrogen with CaC2 is 18. Which of the following statments is false? 19. Which of the following reagents would distinguish cis-cyclopenta-1-2-diol from the trans-isomer? 20. The correct statement regarding a carbonyl compound with a hydrogen atom on its alpha-carbon, is 21. The correct statement regarding the basicity of arylamines is 22. The product formed by the reaction of an aldehyde with a primary amine is 23. The correct statement regarding RNA and DNA, respectively is 24. Which one given below is a non-reducing sugar? 25. In a protein molecule various amino acids are linked together by 26. Natural rubber has 27. The ionic radii of A+ and B$$-$$ ions are 0.98 $$ \times $$ 10$$-$$10 m and 1.81 $$ \times $$ 10$$-$$10 m. The coordinat 28. Lithium has a bcc structure. Its density is 530 kg m$$-$$3 and its atomic mass is 6.94 g mol$$-$$. Calculate the edge le 29. At 100oC the vapour pressure of a solution of 6.5 g of a solute in 100 g water is 732 mm. If Kb = 0.52, the boiling poin 30. Which of the following statements about the composition of the vapour over an ideal 1 : 1 molar mixture of benzene and t 31. The pressure of H2 required to make the potential of H2-electrode zero in pure water at 298 K is 32. The rate of first-order reaction is 0.04 mol L$$-$$1 s$$-$$1 at 10 seconds and 0.03 mol L$$-$$1 s$$-$$1 at 20 seconds af 33. The addition of a catalyst during a chemical reaction alters which of the following quantities? 34. Which one of the following characteristics is associated with adsorption? 35. Fog is a colloidal solution of 36. Match the compounds given in column I with the hybridisation and shape given in column II and mark the correct option
. 37. Which is the correct statement for the given acids? 38. When copper is heated with conc. HNO3 it produces 39. Which one of the following orders is correct for the bond dissociation enthalpy of halogen molecules? 40. Among the following the correct order of acidity is 41. Match items of Column I with the items of Column II and assign the correct code :
.tg {border-collapse:collapse;border 42. Which one of the following statements is correct when SO2 is passed through acidified K2Cr2O7 solution? 43. The electronic configuration of Eu (Atomic No. 63), Gd (Atomic No. 64) and Tb (Atomic No.65) are 44. Which of the following is an analgesic? 45. Which of the following has longest C$$-$$O bond length? (Free C$$-$$O bond length in CO is 1.128 $$\mathop A\limits^o $
Physics
1. If the velocity of a particle is v = At + Bt2, where A and B are constants, then the distance travelled by it between 1 2. If the magnitude of sum of two vectors is equal to the magnitude of difference of the two vectors, the angle between the 3. A particle moves so that its position vector is given by $$\overrightarrow r = \cos \omega t\,\widehat x + \sin \,\omeg 4. A car is negotiating a curved road of radius R. The road is banked at an angle $$\theta $$. The coefficient of friction 5. A particle of mass 10 g moves along a circle of radius 6.4 cm with a constant tangential acceleration. What is the magni 6. A body of mass 1 kg begins to move under the action of a time dependent force $$\overrightarrow F = \left( {2t\widehat 7. What is the minimum velocity with which a body of mass m must enter a vertical loop of radius R so that it can complete 8. A disc and a sphere of same radius but different masses roll off on two inclined planes of the same altitude and length. 9. From a disc of radius R and mass M, a circular hole of diameter R, whose rim passes through the centre is cut. What is t 10. A uniform circular disc of radius 50 cm at rest is free to turn about an axis which is perpendicular to its plane and pa 11. The ratio of escape velocity at earth (ve) to the escape velocity at a planet (vp) whose radius and mean density are tw 12. At what height from the surface of earth the gravitation potential and the value of g are $$-$$5.4 $$ \times $$ 107 J kg 13. Coefficient of linear expansion of brass and steel rods are $$\alpha $$1 and $$\alpha $$2. Lengths of brass and steel ro 14. A piece of ice falls from a height h so that it melts completely. Only one-quarter of the heat produced is absorbed by t 15. Two non-mixing liquids of densities $$\rho $$ and n$$\rho $$ (n > 1) are put in a container. The height of each liqui 16. A black body is at a temperature of 5760 K. The energy of radiation emitted by the body at wavelength 250 nm is U1, at w 17. A gas is compressed isothermally to half its initial volume. The same gas is compressed separately through an adiabatic 18. The molecules of a given mass of a gas have r.m.s. velocity of 2000 m s$$-$$1 at 27oC and 1.0 $$ \times $$ 105 N m$$-$$2 19. A refrigerator works between 4oC and 30oC. It is required to remove 600 calories of heat every second in order to keep t 20. A siren emitting a sound of frequency 800 Hz moves away from an observer towards a cliff at a speed of 15 m s$$-$$1. The 21. An air column, closed at one end open at the other, resonates with a tuning fork when the smallest length of the column 22. A uniform rope of length L and mass m1 hangs vertically from a rigid support. A block of mass m2 is attached to the free 23. A capacitor of 2 $$\mu $$F is charged as shown in the diagram. When the switch S is turned to position 2, the percentag 24. Two identical charged spheres suspended from a common point by two massless strings of lengths $$l$$, are initially a 25. A potentiometer wire is 100 cm long and a constant potential difference is maintained across it. Two cells are connected 26. The charge flowing through a resistance R varies with time t is Q = at $$-$$ bt2, where $$a$$ and $$b$$ are positive con 27. A long straight wire of radius $$a$$ carries a steady current $$I$$. The current is uniformly distributed over its cross 28. A square loop ABCD carrying a current $$i$$, is placed near and coplanar with a long straight conductor XY carrying a cu 29. The magnetic susceptibility is negative for 30. A small signal voltage V(t) = V0 sin$$\omega $$t is applied across an ideal capacitor C 31. A long solenoid has 1000 turns. When a current of 4 A flows through it, the magnetic flux linked with each turn of the s 32. An inductor 20 mH, a capacitor 50 $$\mu F$$ and a resistor 40 $$\Omega $$ are connected in series across a source of emf 33. Out of the following options which one can be used to produce a propagating electromagnetic wave ? 34. Match the corresponding entries of column 1 with column 2. [Where m is the magnification produced by the mirror]
.tg { 35. In a diffraction pattern due to a single slit of width $$a$$, the first minimum is observed at an angle 30o when light 36. The intensity at the maximum in a Young's double slit experiment is $$I$$0. Distance between two slits is d = 5$$\lambda 37. The angle of incidence for a ray of light at a refracting surface of a prism is 45o. The angle of prism is 60o. If the 38. A astronomical telescope has objective and eyepiece of focal lengths 40 cm and 4 cm respectively. To view an object 200 39. When a metallic surface is illuminated with radiation of wavelength $$\lambda $$, the stopping potential is V. If the sa 40. An electron of mass m and a photon have same energy E. The ratio of de-Broglie wavelengths associated with them is 41. When an $$\alpha $$-particle of mass m moving with velocity v bombards on a heavy nucleus of charge Ze, its distance of 42. Given the value of Rydberg constant is 107 m$$-$$1, the wave number of the last line of the Balmer series in hydrogen sp 43. To get output 1 for the following circuit, the correct choice for the input is
44. A npn transistor is connected in common emitter configuration in a given amplifier. A load resistance of 800 $$\Omega $$ 45. Consider the junction diode as ideal. The value of current flowing through AB is
1
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
Consider the junction diode as ideal. The value of current flowing through AB is
A
10$$-$$1 A
B
10$$-$$3 A
C
0 A
D
10$$-$$2 A
Paper analysis
Total Questions
Biology
90
Chemistry
45
Physics
45
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