IB Security Assistant/Executive 2019 Exam Answer Key | Check here

1. Ans.  6, 360
2. Ans. α + β = -b/a
3. They represent coincident lines.
4. Both option a & b i.e. 16 and -33/2
5. Ans. 5050
6. Ans. 11.2 cm
7. Ans. 21/2 sq units Note: The first option contains the same numerical answer as ‘21/2 cm’ which is not correct
8. Ans. Sin 60o
9. Ans. 10 root3 meter
10. Ans. 3 cm
11. Ans. 154/3 sq cms
12. Ans. 2.74 cms
13. Ans. 2/9
14. Ans. -1.5 Probability of an event can never be negative
15. Ans. Mean calculated by all the three methods is the same.
16. Ans. 7
17. Ans. x – 3 , 7x – 9
18. Ans. 90o
19. Ans. (1,3)
20. Ans. Volume of cone = πr2h/3
21. International Day of Yoga is celebrated annually on? 21 June
22. City of lakes in India is? Ans: Udaipur
23. Which of the diseases is not caused by a virus? TB
24. How many states are there in India? 29
25. During Akbar’s regime, who carried out land revenue reforms? Todar Mal
26. Which of the following is the unit of heat? Joule
27. Who among the following is the future Buddha that is yet to come? Maitreya
28. Jaundice is caused due to malfunctioning of? Liver
29. Tsangpo river flowing through Tibet is known in India as? Brahmaputra
30. Yuri Gagarin, the first cosmonaut to reach space, was from which country? Russia
31. What is the boiling point of water in Fahrenheit? 212 F
32. Kalibangan, the Indus Valley site, is in? Rajasthan
33. Who was the founder of Banaras Hindu University? Madan Mohan Malviya
34. Where do you find the temple of Angkor Wat? Cambodia
35. Which of the following can cause a Tsunami? Earthquake
36. The Bhakra Dam in India is built on? Satluj River
37. Who wrote ‘Ramcharitmanas? Tulsidas
38. The river known as the Ganges of the South is? Kaveri
39. Where is the Tungabhadra Sanctuary located? Karnataka
40. Where is Nanda Devi Mountain? Uttarakhand
41. Jaya Samhita is the original name of? Mahabharat
42. Rickets is caused due to deficiency of? Vitamin D
43. Who was the first women speaker of Lok Sabha? Meira Kumar
44. With which sport is term Butterfly associated with? Swimming
45. The resolution for the removal of Vice President of India should be moved in? Rajya Sabha
46. What happens when dilute hydrochloric acid is added to iron fillings? Hydrogen gas and iron chloride are produced
47. A solution turns red litmus paper blue. Its Ph is likely to be? 10
48. An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water. The element is likely to be? Calcium
49. While cooking. If the bottom of the vessel is getting blackened on the outside, it means that? The fuel is not burning completely
50. Which of the following statements is not correct about the trend when going from left to right across the periods of the periodic table? Oxides of the element become more acidic
51. Kidneys in human beings are a part of the system for? Excretion
52. The gap between two neurons is called a? Synapse
53. In a plant, the anther contains? Pollen grains
54. In evolutionary terms, we have more in common with? A Chinese school boy
55. Which of the following material cannot be used to make a lens? Clay
56. The human eyes form the image of an object at its? Retina
57. Which of the following terms does not represent electric power in a circuit? IR^2
58. The device used for producing electric current is called? Generator
59. Which of the following is not an example of biomass energy source? Nuclear energy
60. Which of the following constitute a food chain? Grass, Goat, and Human
61. Pleasure and pain are inseparable facets ___________ human existence. of
62. Is there __________ fitness centre near your house? a
63. He has hardly read _________ book. the
64. _________ of pain is real and affects one’s body, mind, and spirit. Experience
65. He drove with ______ care and hence was fined by Traffic Police. little
66. _______ cultural diversity attracts tourists from all over the world. India’s
67. I have been to _____ doctor, whose name figured in the Times of India. the
68. The _______ monkeys that escaped from the Delhi Zoo were found eating bananas in a fruit shop. three
69. We are ________ to go out for a picnic tomorrow. planning
70. The train must ________ reached Delhi by now. have
71. Mischeif: The correct spelling is “mischief”.
72. Grammer: The correct spelling is “grammar”.
73. Vehical: The correct spelling is “vehicle”.
74. Denteist: The correct spelling is “dentist”.
75. Volkano: The correct spelling is “volcano”.
76. A person who believes in God. Theist
77. Story of an individual by himself. Autobiography
78. A book or paper written in hand. Manuscript
79. A number of ships. Fleet
80. A young cow. Calf
81. Dal lake
82. Kaveri
83. temperature
84. Potato
85. Tripura (rest options are capital of states)
86. Pepper : Spice
87. Archive : Documents
88. Cote D Ivoire : Africa
89. coal : thermal power plant
90. dachshund : dog
91. 10
92. G
93. Sunday
94. AERT
95. 4 years
96. Neither (i) nor (ii) follows
97. Only conclusion (i) follows
98. Only conclusion (i) follows
99. Only conclusion (ii) follows
100. Neither (i) nor (ii) is correct.

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