ST Xaviers College Entrance Exam PAST Question Papers 6 in Help For SEE App.pdf

ST. Xavier’s College +2 Science Entrance Exam PAST QUESTION PAPER with Solutions in Help For SEE App. 1. What is the velocity by which a ball be projected vertically so that the distance covered by it in 5th second is twice the distance covered by it in 6th second (g = 10 m/s 2)?...

ST. Xavier’s College +2 Science Entrance Exam PAST QUESTION PAPER with Solutions in Help For SEE App. 1. What is the velocity by which a ball be projected vertically so that the distance covered by it in 5th second is twice the distance covered by it in 6th second (g = 10 m/s 2)? a) 10 m/s b) 20 m/s c) 50 m/s d) 65 m/s 2. At the top of the trajectory, the acceleration is: a) Maximum b) Minimum c) Zero d) Equal to„g‟ 3. The energy which an electron acquires when accelerated through a potential difference of 1 volt called: a) 1 joule b) 1 eV c) 1 erg d) 1 Watt 4. A bomb of 12 kg explodes into two pieces of masses 4 kg and 8 kg. The velocity of 8 kg mass is 6 m/s, the kinetic energy of the other mass is a) 48J b) 32J c) 24J d) 288J 5. If the polar ice caps melts and spread uniformly, the length of day would: a) increase b) decrease c) remains unchanged d) be halved 6. Earth is flattened at poles, bulged at the equator. This is due to: a) the angular velocity of spinning about its axis is less at equator b) the angular velocity of spinning about its axis is more at equator c) the centripetal force is more at the equator than at the poles d) earth revolves round the sun in an elliptic orbit 7. A boat will submerge until it displaces water equal to its own: a) Volume b) Weight c) Density d) Surface area 8. The volume coefficient expansion of a metal whose linear expansion is 15 × 10-6 /° C a) 45xl0-6/°C b) 25 × 10 -6 / °C c) 30 × l0 -6/°C d.) 5 × 10 -6 / °C 9. The relative humidity range between which, a man feels most comfortable is: a) 30 to 40 % b) 40 to 45% c) 60 to 65% d) 80 to 85 % 10. The speed of sound of a wave of frequency 200Hz in air is 340 m/s. The speed of sound of wave of frequency 400 Hz in same air is: a) 340 m/s b) 680m/s c) 170 m/s d) 3 × 108m/s 11. The rainbow is produced by: a) refraction of light only b) total internal reflection of light only c) diffraction of light ST. Xavier’s College +2 Science Entrance Exam PAST QUESTION PAPER with Solutions in Help For SEE App. d) both refraction and total internal reflection of light 12. The objective of an astronomical telescope consists of: a) a concave lens of larger focal length and large aperture b) a convex lens of smaller focal length and large aperture c) a convex lens of larger focal length and small aperture d) a convex lens of larger focal length and large aperture 13. An isolated conducting sphere is given a positive charge. Its mass: a) increases b) decreases c) remains the same d) mass is not involved 14. Three resistances 2, 3 and 5 are connected in series and a potential difference of 20V is applied across the terminals of combination. The potential difference across 32 resistance is: a) 3V b) 6V c) 9V d) 20V 15. Which one of the following is not a compound? a) Sugar b) water c) Ozone d) Marsh gas 16. In CuSO4.5H2O, the percentage of H2O is: a) 5% b) 10% c) 36% d) 60% 17. An atomic orbital: a) Defines exactly the position of an electron relative to the nucleus b) Has a shape dependent on the spin of the electron c) Is always spherical in shape d) Represents the probability of finding an electron at a certain distance from the nucleus 18. Nitirc acid contains …… bond (s): a) Only ionic b) Only covalent c) Both ionic & covalent d) Ionic, covalent & Co-ordinate 19. Oxidation is: a) Gain of electron b) Loss of electron c) Increase in valency of negative part d) Decrease in valency of positive part 20. Which of the following is the weakest base? a) NaOH b) Ca(OH)2 c) KOH d) Zn (OH)2 21. Which of the following is used as fungicide? ST. Xavier’s College +2 Science Entrance Exam PAST QUESTION PAPER with Solutions in Help For SEE App. a) HC1 b) CuSO4 + lime c) Na2CO3 + NaHCO3 d) ZnS + BaSO4 22. Vinegar is: a) Fe2O3.xH2O b) COCl3 c). CH3COOH d) HCl 23. All are insoluble in water except: a) AgCl b) BaSO4 c) Agl d) Ba(OH)2 24. Normal elements are: a) s - block elements b) p-block elements c) d - block elements d) Both (a) & (b) 25. What happens when steam is passed over red hot carbon? a) CO2 + H2 are formed b) CO + H2 are formed c) H2 + O2 + steam are formed d) None of the above 26. The total number of gaseous elements is: a) 6 b) 10 c) 11 d) 13 27. Which of the following is poisonous? a) Nitric oxide b) Phosgene c) Ammonia d) Caron dioxide 28. Seat worm is alternate name of: a) Pinworm b) Hookworm c) Intestinal roundworm d) Guinea worm 29. The first segment of annelids is: a) Prostomitim b) Peristomium c) Prestomium d) Poststomium 30. Aquatic larva of mosquitoes is popularly known as: a) Maggot b) Grub c) Wriggler d) Naiad 31. Connecting link between annelida and molliisca is: a) Squid b) Nautilus c) Neopilina d) Sepia ST. Xavier’s College +2 Science Entrance Exam PAST QUESTION PAPER with Solutions in Help For SEE App. 32. Three fundamental characters of all chordates are: a) Dorsal tubular nerve cord, diaphragm, notochord b) Notochord, diaphragm, gill slits c) Gill slits, diaphragm and dorsal tubular nerve cord d) Notochord, gill slits, dorsal tubular nerve cord 33. Iodine deficiency in man causes: a) Goitre b) Acromegaly c) Myxoedema d) Addison‟s disease 34. An example of analogy is: a) Wings of bird and butterfly b) Limbs of turtle and tortoise c) Limbs of horse and man d) Paddles of whale and forelimbs of man 35. Animals capable of digging are: a) Arboreal b) Cursorial c) Fossorial d) Pelagic 36. The tricuspid valve in heart guards the opening between: a) Left auricle and left ventricle b) Left ventricle and right auricle c) Right auricle and right ventricle d) Pulmonary trunk and right auricle 37. The protein sheath of virus is called: a) Plasma membrane b) Viritheca c) Virilemma d) Capsid 38. Cell organelle that converts light energy to chemical energy: a) Chloroplast b) Chromoplast c) Leucoplast d) Plastid 39. Disjunction refers to: a) The separation of homologous chromosomes at anaphase -1 b) The type of chromosomal aberration in which there is loss of a part of chromosomes, c) Modification of gene action by a non- allelic gene d) All of the above 40. The association of certain ants with some plants like mango & litchiis: a) Symbiosis b) Myrmecophily Entomophily c) Commensalism d) between androecium 41. The elongated axis of flower and gynoecium is called: ST. Xavier’s College +2 Science Entrance Exam PAST QUESTION PAPER with Solutions in Help For SEE App. a) Gynophore b) Anthophore c) Androphore d) Gonophore 42. “Naked seeds‟ of gymnosperms mean: a) Seeds without seed coat b) Seeds not enclosed in ovary wall c) Seeds without tegmen d) All of these 43. The annulus of sporangium of fern assists in the dispersal of spores by: a) Collapsing in strong wind b) Taking up water from air c) Losing all air of its cells d) Losing water from its cells 44. Yeast produces an enzyme that is responsible for fermentation is: a) Zymase b) Invertase c) Aldolase d) None 45. A plant producing flowers and fruits once in its life is called: a) Holocarpic b) Monocarpic c) Perennial d) Annual 2 2 46. The radius of circle x + y + 2cos0x + 2 sinOy - 8 0 is a) 2 3 b) 3 c) 10 d) 0 47. The equation of circle passing through points (0, 0), (a, 0) and (0, b) is: a) x2+y2-ax-by = 0 b) x2+y2+2ax = 0 c) x2+y2+2ax+2by = 0 d) x2+y2+ax+by = 0 2 2 48. Distance between the pair of lines represented by x - 6xy + 9y +3x -9y -4 = 0 1 5 a) b) 5 2 3 1 c) d) 2 4 49. For what value of k points (1,-1), (k, 1) and (4,5) are collinear ? a) k = -4 b) k = 3 c) k = 0 d) k = 2 50. If , a b , c are mutually perpendicular vectors of equal magnitudes then angle between a and a + b + c is : 1 a) /3 b) cos-3    3 1 c) /3 d) cos-1 3   51. If O be the circum centre and O be orthocenter of a triangle ABC then vector OA + OB + OC = a) 20'0 b) 200' ST. Xavier’s College +2 Science Entrance Exam PAST QUESTION PAPER with Solutions in Help For SEE App. c) 0'0 d) 00' 52. If tan + tan2 + tan3 =  then  = a)  b) /2 c) /3 d) /4 53. If 4sin x + cos x =  then the value of x = -1 -1 a) 1 b) 3 /2 c) 1/ 2 d) 1/2 54. IfA + B + C =  then cotA. cotB + cotB.cotC + cotC.cotA = a) -1 b) 2 c) 1 d) 0 55. A = {x : 2x + 1= 0 and x is an integer} then A is a : a) Disjoint set b) Power set c) Universal set d) Null set 56. If f(x) = x + 2 and g(x) = x3 then fog(l) is : a) 2 b) 3 c) 1 d) 4 57. If A and B are arbitrary square matrices of the same order then which of following is true ? a) (AB)T = ATBT b) (AT)T (BT)T=BTAT c) A(adj.A) = A d) (AB)T = BTAT x x 58. If A = x x then value of A3 3 3 3 3 x x  3x 3x  a) x3 x3 b) 3x2 3x3 3 3 2 2 4x 4x  3x 3x  c) 4x3 4x3  d) 3x2 3x2 59. If a, b, c are in G.P. and a1/x = c1/z then x, y, z are in: a) A.P b) G.p c) H.P d) None 60. If m times the m term of an A.P. is equal to n times the nth term then (m+n)th term is: th a) 1 b) m + n c) m + n – 1 d) 0 61. The value of K so that the equation 3x2 + 7x + 6- k = 0 has one of its roots equal to zero is : a) 2 b) 8 c) 4 d) 6 62. Both roots of x + bx + c = 0 and x2 + dx + e = 0 are common then : 2 a) be = cd b) bc = de 2 2 c) d c = d e d) bd = ce 63. The pipes P and Q take 4 hrs and 6 hrs to fill a tank respectively. When waste pipe R is opened with P and Q the empty' tank is filled in 24 hrs. In what time does waste pipe R empty a full tank of water? a) 2 hrs b) 2hrs. 30 mm. ST. Xavier’s College +2 Science Entrance Exam PAST QUESTION PAPER with Solutions in Help For SEE App. c) 2 hrs. 40 mm d) 4 hrs. 64. A business man marked the selling price of an article 20% above the cost price. If he sells the article at 10 % discount on marked price, find profit percent. a) 8% b) 12% c) 10% d) 14% 65. A set of furniture is bought at Rs. 12000. The rate of compound depreciation is 10%. When will the value of this will be set at Rs.9720? a) 1 year b) 2 years c) 3 years d) 4 years x+1 x+2 66. 4 –9.2 + 32= 0 then x = a) 0, 2 b) 1,3 c) 3,0 d) 2,3 67. If the length of a rectangle is increased by 3m and its breadth is decreased by 3m, its area decreases by 1Bm 2. If its both length and breadth are increased by 3m, area increases by 60m2, find its length & breadth. a) 10m, 8m b) 10m, 6m c) 7m, l0m d) 8m, 7m 68. ABCD is a square of side 14cm. Taking each of its vertex as centre of circles, four such circles have been drawn which touch each other. The area between circles is: a) 22 cm2 A B 2 b) 44 cm c) 11 cm2 C D d) 42 cm2 69. If perimeter of a square field is 4x + 8, then, diagonal will be: a) 2(x + 2 ) b) x + 2 2 c) 2 (X+2) d) x 2 +2 70. A Bag contains 4 red marbles, 5 blue marbles and 2 yellow marbles. Two marbles are drawn; first replaced before the second is drawn, what is probability that they are of same colour? 76 25 a) 121 b) 121 45 16 c) 121 d) 121 71. Synonym of OBEISANCE is: a) Respectfulness b) Transitiona c) Deep concern d) Frightful 72. Antonym of MORBID is a) Insipid b) cheerful c) appealing d) healthy 73. Find out the mis-spelt word. a) Supercede b) exceed c) proceed d) concede ST. Xavier’s College +2 Science Entrance Exam PAST QUESTION PAPER with Solutions in Help For SEE App. 74. The apple of discord a) Result of a fight b) A cause of strife c) remedy for disagreement d) ways and means to improve relation 75. Synonym of words : taint, stiggamate, blot a) Corrupt b) stigma c) dried d) careful 76. Stop that noise………………………..? a) Will you b) won‟t you c) can‟t you d) don‟t you 77. No sooner did the train at the station than the passengers rushed towards it. a) Has arrived b) mechanic: car c) arrive d) sculpture: clay 78. Artist: paint:: a) doctor: patient b) will arrive c) chemist: discovery d) arrived 79. Find out the correct sentence a) Returning to her room, several pieces of jewellery were, missing. b) While finishing his speech, the audience, was invited to ask questions. c) Accustomed to get up early, he had no difficulty adjusting to the new schedule. d) Everyone should put his examination paper on my desk before leaving. 80. There is no difference between………. a) us and them b) them and us c) me and they d) they and me 81. I expect nothing from you and……….. a) she b) her c) hers d) she‟s 82. All …………..glitters is not gold. a) which b) that c) who d) both a & b 83. A person who is very fond of sensuous enjoyments: a) hedonist b) lusty c) stoic d) epicure 84. A hater of learning and knowledge a) misologist b) misogynist c) bibliophile d) misanthropist 85. When students do not have time to read a novel before class, they read an outline of the plot instead. a) an article b) a synopsis c) a critique d) an essay ST. Xavier’s College +2 Science Entrance Exam PAST QUESTION PAPER with Solutions in Help For SEE App. 86. Choose the odd-man out: a) A fox: a cunning fellow b) A phoenix : a nobel man c) A vixen : a corrupt woman d) A pig: a fool 87. Convict: prison:: a) tiger : den b) lion: lair c) owl: barn d) fowl: kennel 88. Complete the proverb : „A rolling stone gathers no a) motion b) energy c) fern d) moss 89. Which of the following is acceptable? a) The boy was watched running up the steps. b) The boy was watched to be run up the steps. c) The boy was watched to run the steps. d) none of these 90. The structure for “She felt herself lifted up” - a) S+V+DO+Adj b) S +V +DO + Past Participle c) S + V+.Noun/Pronoun + Past participle d) S + V + O + Adj 91. Which King in the history of Nepal passed away without knowing that he was declared the King? a) Trailokya Bikram Shah b) Dipendra Bir Bikram Shah c) Rana Bahadur Shah d) Rajendra Bikram Shah 92. June 20 is observed every year throughout the world as: a) World Environment day b) World Population day c) World Refugee Day d) World Youth Day 93. When was the first winter Olympic games held? a) 1924 b) 1932 c) 1916 d) 1936 94. Which of the following is not the painting of Leonardo Da Vinci? a) Monalisa b) The last supper c) The Grand Duke‟s Madonna d) The Virgin of Rocks 95. In a certain code, „7 8 6‟ means „study very hard‟, „9 5 8‟ means „hard work pays‟, „6 4 5‟ means „study and ST. Xavier’s College +2 Science Entrance Exam PAST QUESTION PAPER with Solutions in Help For SEE App. work‟, which of the following is the code for „very‟? a) 8 b) 6 c) 7 d) cannot be determined 96. John is older than Bob. Bob is younger than Steve. Steve is older than Joe. Joe is older than John. Ray is younger than Jim. Which conclusion is definitely accurate? a) Bob is older than Ray b) Joe is older than Bob c) Joe is older than Jim d) Jim is older than Bob 97. 165135 is to peace as 1215225 is to a) lead b) love c) loop d) castle 98. A lady runs 12 km towards north, then 6 km towards south and then 8 km east. How far is she from her starting point and in which direction? a) 5 km North-East b) 5 km East c) 10 km North-East d) 10 km West 99. A boy is trying to focus an object under a compound microscope. He sees magnified image of the object. How many lenses are involved? a) 1 b) 2 c) 3 d) 4 100. “….. all progess, all success, spring from thinking.” Who staid this? a) Albert Einstein b) Thomas Alva Edison c) Sir Isaac Newton d) Charles Darwin Answers 1.d 2.d 3.b 4.d 5.a 6.c 7.b 8.a 9.c 10.a 11.d 12.c 13.b 14.b 15.c 16.c 17.d 18.d 19.b 20.d 21.b 22.c 23.b 24.d 25.b 26.c 27.b 28.a 29.b 30.c 31.c 32.d 33.a 34.a 35.c 36.c 37.d 38.a 39.a 40.b 41.a 42.b 43.b 44.a 45.b 46.b 47.a 48.b 49.d 50.b 51.d 52.c 53.d 54.c 55.d 56.b 57.d 58.c 59.a 60.d 61.b 62.a 63.c 64.a 65.c 66.c 67.c 68.d 69.c 70.c 71.a 72.b 73.a 74.c 75.b 76.a 77.c 78.d 79.d 80.b 81.b 82.b 83.a 84.a 85.b 86.d 87.c 88.d 89.c 90.a 91.b 92.c 93.c 94.c 95.c 96.b 97.b 98.c 99.c 100.b