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SarkariEx am.com, CENTRAL HINDU SCHOOL ENTRANCE TEST (2015), BIOLOGY, (CLASS-XI), For English Medium, (b) Mg, (c) K, (d) Ca, What happens when dilute hydrochioric acid, is added to iron fillings ?, (a) Hydrogen gas and iron chloride are produced., (b) Chlorine gas iron hydroxide are produced., (c) Iron salt and water are produced., (d) No reaction takes place., 2., 1., (a) Na, 9., Which of the following is treated with chlorine, to obtain bleaching powder, (a) CaSO4, (c) Mg(OH)2, 10. Which of the following oxide is not neutral?, (a) CO, 11. The pH of any soiution is 3. Hydroxide ion con-, centration of this solution in moles/litre will, (b) Ca(OH)2, d) KOH, (b) HO, (c) N20, (d) NazO, Which one of the following chemicals is plaster, of Paris ?, (a) CaSO,, (b) CuSO,, be--, (c) CaSO4 H20, (d) CaSO,2H2O, (a) 100 x 10, (c) 10 x 10, 12. Which property generally decreases along a, (b) 10 ×102, (d) 10 x10, 3., The solution of one of the fo'lowing compounds, will not conduct electricity. This compound is-, (a) NaCl (b) CCI4, Which one of the following is not an allotrope, (c) MgCl2 (d) CaCl2, (a) Atomic radii, (b) lonization Potential, (c) Electron affinity, (d) Valency., 13. Which one of the following is a redox reaction?, (a) CACO3 → CaO+CO2, (b) H2 Cl2 → 2HCI, (c) CaO+ 2HCI→ CaCl2 +H2O, (d) NaOH+ HCI→ NaCl+ H20, 14. The number of chain isomers possible for, hexane CH14 is-, (а) 4, 15. A31% aqueous solution of sodium chłoride is, called-, (a) Saline water, of Carbon ?, (a) Diamond, (b) Graphite, (c) Cumene, (d) Buck minister fullerene, 5., Which of the following fuel usually burns, with blue flame ?, (а) Сoal, (c) Candle wax, (b) LPG, (d) Kerosene ( in lamp), 6., When ethanol is heated with concentrated, (c) 6, sulphuric acid at 170°C, it gets converted into, ethene. In this reaction, concentrated sulphuric, acid acts as-, (a) Oxidising agent (b) Catalyst, (c) Dehydrating agent (d) Reducing agent, According to Mendeleev's periodic law element, were amranged in the periodic table in thẻ order of-, (a) decreasing atomic number, (b) increasing atomic number, (c) decreasing atomic masses, (d) increasing atomic masses, 8., (b) 5, (d) 10, (b) Sterilized water, (d) Mineral water, 16. Atomic number of an element is 20. In the mo-, dern periodic table, this element is placed in-, (b) 4th period, (d) 1* period, (c) Brine, 7., (a) 2nd period, (c) 3rd period, 17. Preparation of 'Dalda or Vanaspati ghee' from, vegetable oil utilized which of the following, Atomic number of elements Na, Mg K and Ca, are il, 12, 19 and 20, respectively. Which of, the following will have the maximum radius?, process ?, (a) Hydrolysis, (c) Hydrogenation, (b) Oxidation, (d) Ozonolysis, Sarkari Exam.com, 4.

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SarkariExam.com, 18. Ethanol reacts with concentrated H2SO, at, 30. In human females, the sex-chromosomes are-, 170°C to form-, (а) АХ, (b) YY (c) XY, (d) XX, 31. Which organelle of the ceil is called as 'suicide, bag' ?, (a) Mitochondria, (c) Ribosome, 32. Pines are examples of-, (a) Bryophyta, (c) Angiosperm, 33. Cell wall is present in-, (a) Ethane, (c) Propane, 19. Which ofthe following is amphoteric oxide ?, (а) NaNO2 (b) ВаО, (b) Ethyl acetate, (d) Ethene, (b) Lysosome, (d) Golgibody, (c) Zno, (d) K2O, 20. The most abundant metal in the earth's crust, is-, (b) Pteridophyta, (d) Gymnosperm, (a) Iron, (c) Aluminium, 21. Solder is an alloy of-, (a) Sn and Pb, (c) Cu and Zn, 22. In the given reaction-, m MnO2 +4HCI→ MnCl2 +Cl2 +2H20, (a) MnO, is oxidised, (b) HC! is reduced, (c) MnCl2 oxidizing agent, (d) MNO, is oxidizing agent, 23. The bleaching action of SO, is due to-, (a) Oxidation, (b) Oxidation nd reduction both, (c) Substitution, (d) Reduction, (b) Сорper, (d) Mercury, (a) Virus, (c) Aninal cells, (b) Nucleus, (d) Plant cells, (b) Cu and Sn, (d) Cu and AI, 34. The most important characteristic of living, organism is-, (a) Growth, (c) Protoplasm, 35. Which one is the characteristic of animals but, (b) Multiplication, (d) Movement, not plants ?, (a) Excretory organs (b) Sensitivity, (c) Growth, The structure of chromosomes can be best, seen at--, (d) Reproduction, 36., (a) Prophase, {c) Anaphase, 37. A true fruit is-, (a) A developed ovary, (b) A developed ovule, (c) A developed nucellus, (d) A developed thalamus, Who among the following is called as 'father, of genetics' ?, (a) de Vries, (c) Darwin, 39. Photochemical smog does not possess-, (a) Ozone, (с) Р.А.N., 40. Pyrilla Perpusilla is-, (a) Pest of Cotton, (c) Pest of paddy, 41. Of the following which vitamin is responsible, for blood coagulation ?, (a) Vitamin D, (c) Vitamin A, 42. Japanese encephalitis' is transmitted by-, (a) Housefly, (c) Sand fly, (b) Metaphase, (d) Telophase, 24. Mass of two moles of CO2 is-, (a) 88 g (b) 44 g, (c) 22 g, 25. Which of the following is the correct order of, decreasing reactivity of metals ?, (a) Ca> Zn > Pb > Cu, (b) Zn, (c) Cu> Pb > Zn > Ca, (d) Pb> Ca> Zn > Cu, 26. Chlorophyll is found in-, (a} Bacteriophage, (c) Frog, Which of the following is instant energy food?, (a) Nucleic acid, (c) Vitanains, 28. Temperature renge for safe storage of dairy, products is-, (а) 7-10°С (Ь) 3-8°C (с) 1-7°C, 29. Cell theory was proposed by-, (a) Schleiden and Schwann, (b) Robert Hooke, (c) Leeuwenhock, (d) Louis Pauster and Virchow, Cu > Ca, 38., (b) Lamarck, (d) Mendel, (b) Nitrogen dioxide, (d) Carbon dioxide, 27., (b) protein, (d) Glucose, (b) Pest of Sugarcane, (d) Pest of Animals, (d) 0-3°C, (b) Vitamin C, (d) Vitamin K, 1644, (b) Tse-tse fly, (d) Mosquito, SarkariExam.com, Ka

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SarkariExam.com, 55. The renge of wavelength of Vioiet colour to, Red colour is--, (a) 4000 A to 7900 Å, (b) 5000 Å to 10,000 Å, (c) 6000 Å to 7000 Å, (d) None of these, 56. A concave mirror produces three times, enlarged image of an object placed at 10 cm in, front of it, The radius of curvature of the, mirror is-, (a) -50-cm, (с) -70 ст, 57. An electric heater is rated at 1500 W. Heat, produced per hour will, soa) 5.4 x10 Joules, ro (c) 0 Joules, 53. An archer climbs to the top of a 10 m high, building and aims at a bird a top of a tree 17 m, nim away. The line of sight from the archer t0 the, noi bird makes an angle of 45° to the horizontal., What is the height of the tree-, (a) 17 m, (c) 37 m, 59. A cricket hall of mass 250 g collides with a bat, with velocity 10 m/s and returns with the same, velocity within 0.01 second. The force act on bat, is-, 43. Autotrophic organisms include-, (a) Green piants and suiphur bacteria, (b) Green plant and ail bacteria, (c) Bacteria and virus, (d) Bacteria and fungi, 44. The largest living cell is--, (a) Muscle cell, (c) Subcutaneous cell (d) Epidermai cell, 45., (b) Nerve cell, oss of upper fertile soil of earth is called-, (a) Pedogenesis, (c) Soil erosion, 46. The ripening of fruits can be fastened by the, treatment wvith-, (a) Gibbereliic acid, (c) Ethylene, 47. Which of the following is capable of carry ing, (b) Weathering, (d) Eruption, (b) -30 ст, (d) None of these, (b) Indole acetic acid, (d) Florigen, (b) 100 Joules, (d) None of these, exygen ?, (a) Lymph, (c) Blood, 48. Deficiency of Insulin results in-, (a) Grave's disease, (c) Goitre, 49. The functional unit of chromosome is-, (b) Scrum, (d) Piasma, (b) Cretinism, (d) Diabetes, (b) 27 m, (d) 47 m, (a) Gene, (c) Chromatid, 50. D.N.A.(Deoxyribose nucleic acid) is made up, of-, (b) Chromomere, (d) Histone, (a) Phosphate, deoxyribose, sugar, bases, (b) Phosphate, ribose suger, bases, (c) Only deoxyribose sugar, (d) Phosphate and bases, 51. ifboth the masses and radius of the earth, each, decrease by 50%, the acceleration due to gravity, would a (), (a) remain same, (c) decrease by 100% (d) increase by 100%, 52. Which one of the following wil have the, maximum charge/mass ratio ?, (a) electron, (c) neutron, 53. The resistance of an ideal voltmeter is, (a) 25 N, (c) 250 N, 60. The numerical aperture for a human eye is of, (b) 50 N, (d) 500 N, the order of, Suis (a) 1, 61. The resistance of a wire 10 Q. If its length is, increased by 10% by stretching then the new, resistance of the wire will now be --, (a) 12 2 (b) 1.20 (c) 13 2, 62. A, (b) 0.1, (c) 0.01, (d) 0.001, (b) decrease by 50%, (d) 11 2, mirror always produces a small,, virtual and erect image of an object, (a) Convex, (c) Plane, 63. Human eye has a, (a) Convex, uori (C) Plano-Convex, 64. S.I unit of luminous intensity is--, (a) Ampere, (c) Mole, (b) proton, (d) alpha particles, (b) Concave, (d) Plano-convex, lense-, (b) Concave, (d) Plano-Concave, (a) zero, 2oga(c) infinite, 54. The frequency of direct eurrent (D.C.) is--, (a) 5 Hz ), (c) 20 Hz, *(b) high, (d) low, (b) 10 Hz (), (d) 0 Hz, (b) Candela, (d) Watt, SarkariExam.com

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SarkariExam.com, 93. Choose the passive voice of the sentence-, (a) Solar Impuise-2 (b) Solar Image-2, (c) Solar Impact-2 (d) Solar Windows-2, 98. AJudge of Supreme Court may resign his office, by writing letter to-, (a) The Chief Justice, (b) The President, (c) The Prime Minister, (d) The Law Minister, 99. Who among the following journalists wrote, his autobiography entitled Lucknow Boy'?, (a) Pritish Nandi, (b) Narendra Mohan, (c) Alok Mehta, (d) Vinod mehta, 100. According to the report of Census of India- 2011,, the highest populous states are arranged as-, (a) Uttar Pradesh, Bihar, Maharashtra, (b) Uttar Pradesh, Bihar, West Bengal, (c) Uttar Pradesh, Maharashtra, Bihar, (d) Uttar Pradesh, Maharashtra, West Bengal, "Post the letter' ?, (a) Let be posted the letter, (b) Letter should be posted, (c) Letter must be posted, (d) Let the letter be posted, 94. Choose the correctly speit word-, (a) Surveillance, (c) Surveilance, 95. Pick out the most appropriate word to fill in, the blank in the sentence., "There is no doubt that one has to keep ...., with the changing time.", (а) расе, 96. Among the following companies which one, has been included in Navratna Company of, India in July 2014 ?, (a) BHEL (b) GAIL (c) NBCC (d) SAIL, 97. Which is the world's first aeroplane able to fly, without fuel ?, (b) Survaillance, (d) Survellance, (b) himself(c) aside, (d) oneself, Answer Sheet, 1. (а), 11. (c), 21. (а), 31. (b), 41. (d), 51. (d), 61. (d), 71. (d), 81. (a), 2. (c), 12. (a), 22. (d), 32. (d), 42. (d), 52. (a), 4. (с), 14. (a), 5. (b), 15. (с), 25. (а), 35. (a), 45. (c), 55. (a), 65. (d), 75. (с), 85. (b), 6. (c), 16. (b), 26. (d), 3. (b), 13. (b), 23. (а), 33. (d), 43. (а), 53. (с), 63. (а), 7. (d), 17. (с), 27. (d), 37. (а), 47. (с), 57. (a), 67. (a), 77. (a), 87. (d) 88. (c), 97. (a), 8. (с), 18. (d), 28. (c), 9. (b), 19. (c), 29. (а), 39. (d), 49. (а), 59. (d), 69. (b), 10. (d), 20. (с), 30. (d), 40. (b), 36. (b), 46. (с), 38. (d), 48. (d), 56. (b), 66. (с), 76. (b), 86. (c), 50. (а), 60. (a), 70. (а), 80. (c), 90. (a), 58. (b), 68. (c), 62. (a), 72. (с), 78. (b), 82. (a), 92. (d), 79. (b), 89. (a), 91. (с), 95. (d), 96. (c), 98. (b), 99. (d) 100. (c), Sark, SarkariExam.com