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+2 AMU Sci./ Dip. Engg. 2014-2015, The value of tan48°tan23 tan42°tuan67° is:, (a) 0, , b), , (c)2, The, , 2., , 12, , (d) None of theso, roots, of the, , wo, , cquations, , a(b-c)x+b(c-a)x+c(a-b)=0 are l and:, (a) a - 6 ), , b) b-a), , b(c-a), , a(b -, , (c) a6-), b(c a), , (a)cm, 7, , (4) caa(b-c), , If the points, , 3., , c), , (2,3),, , (4,k), , and, , (6,-3), , are, , collinear, then the value of k is:, are the, a rhombus and P, Q, R and S, CD, and, DA, mid-points of the sides AB, BC,, the quad PQRS is a:, , 4., , (c) 130cm, 14., , (6) Equal, (c) Perpendicular to each other, (d) None of these, , 15., , Sum, , of, , the, , n, , term, , (d) Rhombus, points A(5,2), B(4,7) and C(7,4) form. a, triangle ABC, then the area of triangle is equal, , (a), , Ifthe, ., , b) 4, , (c)+2, , of, , roots, , (d) 5, , the quadratic equation, , 16., , (a) 6, , (c)b., , (d) b=ac, , a+c, , 7., , If, mean, , 17., , 9., , 10., , =, , (d) +k, (c)k, Two dice are thrown simultaneously. What is, the probability of getting a doublet?, (b) 1/12, (d) 11/36, , In A ABC, D is the mid-point of BC. E is the, mid-point of DC and O is the mid-point of AE., The ratio of areas of A AOC and AABC is:, (b) 1:7, (a) 1:6, (c) 1:8, (d) 1:9, The length of a tangent from a point A at, distance 5 cm from the centre of the circle is 4, , 19., , 20., , cm. The radius of the circle is equal to:, , 11., , (a) Scm, (c) 4cm, In the adjoining, , (b) 3cm, (d) 8cm, , 21., , figure, , 2, , (c) a-3, b=0, , (d) a2, b= +, , In AABC, 'E' is the aid-point of median AD, =, , (b) 1/4 ar(AABC), (c) 1/8 ar(AABC), (d) 1/6 ar(AABC), ABCD is a parallelogram. X and Y are the, , YOZ, , equals to:, (a) 121, , (6) a-1, b=tv2, , (a) 1/3 ar(AABC), , bisectors of 2 Y and, Z then, , (a) a-2, b=t/3, then, ar (ABED), , if YO and Z0 are the, , 2, , (d) 2x*+3x-1, If AABC, ADEF and their areas be,, 64cm, and 121 cm. If EF, respectively, 15.4cm then the value of BC is:, (a) 15cm, (b) 12cm, (c) 11.2cmn, (d) 18cm, Two poles of heights 6m and 11m stand ona, plane ground. If the distance betvween the feet, of the poles is 12m. The distance between their, tops equal to:, (a) 13m, (b) 14m, (c) 15m, (d) 20m, If zeroes of the polynomial x-3x+x+1 are, a-b, a, atb, find a and b., , (c) x*+2x-3, , 1%., , (b)k, , (b) 2x-3x+1, , (a)-3x+x+2, , ..,, , (a) 1/6, (c) 5/18, , (d) 10, The quadratic polynomial formed by the, reciprocal of zeroes of the quadratic, , polynomial x-3x+2 is:, , is the mean of X1, X2, K3....,Xa» then, of a1+k), (x3+k), (x3+k),, (xtk), , a), , (b)-6, , (c)-10, , will be, , 8., , If a and ß are the zeroes of the quadratic, , polynomial x-2x-8, then a+ß+aß is:, , then:, , (b) b-ac, , Series, , (d) None of these, , (a2+b)x-2b(atc)x+(b+c) = 0 are equal,, , (a) 2b-atc, , the, , (b) v2(mXn+), , 2, , to:, , (a)-4, If the, , of, , 2,8,18,/32 ,.is, , (b) Parallelogram, , (a) Rectangle, (c) Triangle, , (d) 135cm, , The diagonals of parallelogram are:, (a) Bisect each other, , (d) 4, , (c)-2, , (b))2, , (a) 0, ABCD is, , 5 pencils 7 pens together cost Rs. 50 whereas, 7 pencils and 5 pens together cost Rs. 46, then, the cost of one pencil is equal to:, (b) Rs.7, (a) Rs. 5, (d) Ra. 9, (c) Rs. 3, The area of a sector of a circle with radius, 6cm, if angle of the sector is 60 is equal to, , mid-points of BC and CD respectively, then, , 6)36, , (c) 40°, , (d) 25, , ar(AAXY) is equal to:, (a) 1/2 ar(AABCD), (c) 3/4 ar(AABCD), , (b) 1/4 ar(AABCD), (d) 3/8 ar(AABCD)
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Z01", , SCi.I Dip., , p. Engg. Pape, , 23, , *, (a) 102, , (b) 104, (d) 106, , c) 105, , 24, , 35., , 2then the value of 16y+is:, , 36., , A river 3r deep and 40m wide is flowing at, the rate of 2km, per hour into the sea. How, much water will fall into the sca in, a minute?, , (a) 400m, , (b) 2400m, , (c) 4000m, 25., , cos a+sin'ß, , is:, , b) Maize, (d) Cotton, , (c)Wheat, solution, it wil:, a hypertonic, Ifa cell is kept in, 6) Shrink, (a) Swell up, same size, (d) Stay the, side, (c) Swim in a, mode of nutrition, autotrophic, In, , plants,, , requires:, , (d) 4200m, , If a+p-90° and, a-2B, then, equal to:, (a) 1, (6) 0, (c)1 /2, (d) 2, ABC is a right triangle, right, , 26., , 37., , A 'rabi' crop, (a) Rice, , is, , 30., , (b) Chlorophyll, , (a) Sunlight, above, (d) All the, () CO, and H,O, controlled, by:, is, Phototropism in plants, (b) Gibberellins, , (a) Cytokinins, , (oAuxins, , angled at, , C. Let, , BC-a, CA=b, AB=c and let p be the length of, perpendicular from C on AB, then, is, equal to:, , (d) Abscisic acid, micro-nutrient, , An example of, , 40., , (b) Sulphur, (a) Manganese, (d) Oxygen, (c) Potassium, are found in:, Xylem and phloem tissues, , is:, , ay Fern, , (), , (, , 41., , (C) Riccia, The site of complete, (a) Stomach, c ) Small intestine, , 27., , The, , value, , (a) Leishmania, , simplifying is:, , (a) x, 28., , b) 1/x, , 43, , (d)-1, Ifthe points (a,-11), (5,b), (2,15) and (1,1) are, the vertices of a parallelogramn taken in order,, , 29., , (b) a=-4, b =3, 45., , 31., , 32., , ., , (d) 20cim, , (b) x-y, , 47., , (d) 8y, 48., , (d)Bacteria, , Apteridophytic plant is:, , (a) Bird-wing, , (b) Flying-fox, (d) None of these, , 34., , (c) Horse-tail, This is an alga:, (a) Marsilea, , (b) Riccia, , () Spirogyra, , (d) Marchantia, , (6) Hen, (d) Wheat, , 49, , (b)Virus, (d) Fungus, , Which ofthese is nota true fish?, (b) Flying fish, (a) Jelly fish, , Lion fish, (c) Sea horse, Fungal cell wall is made up of, (c) Chitin, , The solution used to stain cell is / are:, (a) Iodine, (b) Safranin, (c) Methylene blue, (d) All of these, , 33., , b) Amoeba, , (d) Poultry birds, Japanese encephalitis or brain fever is cansed by:, , (a) Lignin, , Single circuiar chromosome is found in:, (a) Human cell, (b) Amoeba, (c) Plant cell, , organism reproduces, , Bombay duck and tuna are examples of, (a) Fresh water fishes (b) Marine fishes, , (c) Protozoan, , (x+y°-x-y}-6y(x-y) is equal to:, , (a) xty, (c) 8x, , (a) Cow, , (a) Bacteria, , 9856cm° and diameter of base is 28cm then, slant height of cone is:, (a) 49cm, b) 50cm, 30., , (d) Large intestine, , (c)Honey-bees, , (c) a =-4, b =-3, (d) a= 4, b =3, If the volume of a right circular cone is, , (c) 60cm, , (b) Duodenum, , K) Both (a) and (b), (c) Malaria parasite, Brown Swiss is an exotic breed of, (c) Buffalo, , 44., , then the values of a and b are:, , (a) a-4, b=-3, , (b) Moss, (d) Marchantia, digestion of food is:, , Which of the following, by multiple fission?, , of, , (cT, , of the crop plant, , 39, , b) Suberin, (d) Cellulose and pectin, , The five kingdom classification was given by, b) Carolus Linnaeus, (a) Carl Woese, (d) Robert Whittaker, (c) Ernst Haeckel, Eosinophil and basophil cells are found in:, (b) Areolar tissue, (a) Cartilage, (d) Blood, (c) Adipose tissue, Solid matrix of cartilage is made up of, , a) Proteins and sugar, (b) Calcium and phosphorus, (c) Proteins and calcium carbonate, , (d) Proteins and phosphorus, , (2)
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lDip. Engg. Pape, per, (a) Two, , the Sun in, revolve around, one of its, , (a) The planet, with the Sun at, elliptical orbit, , b) Three, 74., , c) Four, (d) Six, The, , foci, , echo of a, , sonar beep is heard 2.50 s, of, speed sound in the water is 1400, the iceberg is at the, distance:, (a) 3500 m, (b) 1900 m, If the, , 75, , (c) 175 m, , sweeps, , later., , time, distance of a planet, of the mean, (c) The cube, proportional to the square, , ms;, , from the Sun is, , of its orbital period, , (d) 142 mn, , An electric bulb is rated 220V and 100W., When it is operated on 110V, the, power, , consumed will be:, (a) 100W, (c)50W, , 76., , A, , rate, , 81., b) 75W, (d) 25W, , of, series, , of, , two, , resistors, , are, , below. The, , figure, , the, , that, , graph, , represent, , parallel, , combination is:, (a) A, , (b) B, , and B, Which one of the, , (d) none, , (c) both A, 82., , x10 kg m, , to the, , momentum, , and, , in, , shown, , 10kg m, , 78., , The, parallel, , metallic, , of its volume outside another, , proportional, , of change in, V-I graphs, , combinations, , liquid. The density of the another liquid is:, , 77, , force is, , (d) Gravitational, , body floats withof its volume outside, , water and, , and the Sun, joining the planet intervals of, in equal, equal areas, , b) The line, , following take(s) place, , in, , hydrogen bomb while detonating, (a) Fission only, (b) Fusion only, , kg n, , If you read a book placed at distançe 35.0 cm, from your eye and the distance from eye lens, to retina is 19.0 mm the focal length of, your, eye lens is:, (a) 3.50cm, (b) 5.93em, (c) 2.00cm, (d) 1.89cm, Which of the following cannot be speed-time, graph of a body in motion?, , (c) First fission then fusion only, (d) First fusion then fission only, 83., , Three resistors of, resistance 30 each, are, , combined, , to, , form an equilateral, triangle. Resistance, between any two, , ends of the triangle, would be:, (6) 22, , (a)2, 84., (b), , (a), , 79, , 100g, having a, , (a) 2kgms, C)12 gcm s, 80., , car, when its, , speed, , is, , tripled, is increased by the factor, (6) 4, (a) 3, (d) 27, (c)9, , 86., , Gold can be dissolved in:, (a) Hydrochloric acid (6) Nitric acid, (c) Steam, (d) Aqua regia, results in:, with, water, acid, an, Mixing, concentration, of H,0" ions, in, the, (a) Decrease, , (b) %kgms, 87., , In order to calculate, attraction Sir Isaac Newton had made use of:, , a, , When a potential difference of 3.0 V across a, resistor set up a current of 0.6A in it to flow., The potential difference required to set up the, current of 0.4A m the resistor:, b) 2.0V, (a) 1.0V, (d) 4.0V, ) 3.0V, , K.E. of 201?, , (d) none of these, the gravitational force of, , (d) 92, , 85., , td), , (c), , What is the momentum of a body of mass, , (c) 62, Kinetic energy of, , 2, , per unit volume, (b) Increase in the concentration of H,O" ions, per unit volume, , (4)
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+2 AMU Scl. /, , 2014-201, , Dip. Eng9. Paper, , (c) The concentration of H,0' ions per unit, volune remains same, (d) Absorption of heat, Which gas is produced when sodium roucts, with ethanol?, , 88., , (b) Carbon monoxido, (d) Water vapours, , (a) Hydrogen, , (c) Carbon dioxide, When a metal "X' reacts with, , 89., , 93, , 94, , of XOH is 40. The, , ofmetal X' is:, (a) Calcium, , b) Potassium, , (c) Magnesium, , (d) Sodium, , name, , 90., , 95, 96., , 91., , (c) 28g, The valency of Fe in Fe,0, is:, (b) 3, (d) 5, , BaSOu +2NaCl, , (a) Combustion reaction, (6) Combination reaction, , A solution reacts with crushed egg shells to, give a gas that turns lime water milky. The, solution contains:, (b) KCI, (a) NaCl, , (d) CaClh, Aqua regia is a freshly prepared mixture of:, (a) 3:1 concentrated sulphuric acid and, concentrated nitric acid, , (b)3:1, , (b) 7g, (d) 42g, , The above reaction, , (b) 2,8,8,2, (d) 2,8,18,8,4, , (c) HCI, , 92., , give, , I mole of nitrogen gas is equal to:, , 97.NazSO4 +BaCl, , is:, (a) 2,8,10, (c) 2,10,8, , will, , Formula units mass of CaClh is:, (b) 82u, (d) 63u, (c) 11lu, , (a) 2, (c) 4, , The electronic configuration of the element, , pairs, , displacement reactions?, , (a) 14g, , 2X+2H0>2XOH +H2, If the molecular, , following, , (a) 70u, , equation is below:, mass, , the, , (b) MgClh Bolution and aluminium metal, (c) FeSOs solution and silver metal, (d) AgNO, solution and copper metal, , cold water, it, , formula XOH. Its bslanced chomical, , of, , (a) NaCl solution and copper metal, , poduces hydrogen gas and metal hydroxide, , having, , Which, , (c) Displacement reaction, (d) Double-displacement reaction, , 98., , (b) Basic medium, , (a) Acidic medium, , 99., , 100., , concentrated hydrochloric acid and, , Phenolphthalein gives pink colour in:, , (c) Neutral medium, (d) Both acidic and basic, and, HCI dissolves in water and give, , Cr ion., (a) H, , (b) OH, , (c) H0, , (d) None of the above, , Plaster of, , paris, , on, , mixing with, , water, , changes, , to:, , concentrated sulphuric acid, (c) 3:1 concentrated hydrochloric acid and, , (b) CaSO H;O, (d) CaSOs.H0, , (a)CaSO4.2H,0, (c)(CaSO)h. AH;O, , concentrated nitric acid, (d) 3:1 concentrated nitric acid and water, , Answers, , 1., , a, , 21., , b, , 11.a12., , 5., d 3.a |4, 14.a|15. c, , 31. d 32., 41., , 51., 61., a, 71., , 42., , 52.a, , 62. a, , 13., , 23., 33., , a, , 24, C, , 43., 53., , 63., , 72. C73. c, , 34., , 25., , 35., , 6b7d8., , a9, , 18. C 19., 28., d29., 26.a 27.C, 16. b |17. b, , 36. 1, , 37._, , d, , 38., , C, , 39., , d 49., , b, a, , d, , 10., 20.b, 30. d, 40., 50., , 48., 46., a 47. C, b 45., 59., 60. b, 58.C, d 55. C56. c57.| b, 70., a, 69., b, 66. C 67. b 68., a | 65., 80., 74. c 7 5 . d 76.|a 77. c78. b79. a, , 44., 54., 64., , C83. b84. C 85. b 86. d 87.b 88., 81. a 82., 92.C93.d94.c95.c, 96. b 97. d 98., 91.b, , 89. d90. b, b99. C 100. a, , a