FREQUENTLY ASKED GK QUESTION IN SSC, UPSC, BANK, RAILWAY ,NDA, CDS, AIRFORCE X AND Y GROUP

1. Air is completely removed from an electric bulb – oxidation of filament
2. The filament of bulb is made of – tungsten
3. A Transformer is a device for – stepping up or down voltage
4. The advantage of AC over DC is that – it can be transmitted over long distances with minimum power lo
5. Curie is a unit of – Radioactivity
6. Power of lens is measured in – Diopter
7. An instrument used to measure humidity is – hygrometer
8. A steel ball floats on mercury because – the density of mercury is higher than that of steel
9. When the mass and speed of a body is doubled , its kinetic energy becomes – eight times
10. Raindrops are spherical due to – surface tension
11. Speed of sound highest in which medium – iron
12. Bat can fly in dark because they – produce ultrasonic waves
13. When the velocity of a body is doubled, its – momentum is doubled
14. The weight of a body is – maximum at the poles
15. If a body is taken from the earth to moon – its mass will remain same but weight will be different
16. When a ship enters a sea from a river – its rises  a little
17. Which of the following action will double the period of a simple pendulum – make the pendulum four times long
18. The intensity of an earthquake is measured with a – seismograph
19. A dentist’s mirror is a – concave mirror
20. A women’s voice is shriller than man’s due to – higher frequency
21. Si unit of luminous intensity is – candela
22. Which of the physical quantities have the same dimension – work and torque
23. A passenger in a moving train tosses a coin upward which falls behind him. It implies that the motion of the train is – accelerated
24. Definition of force comes from Newton’s second law of motion
25. If a bomb dropped from an airplane exploded in mid air – its KE increases
26. Fat can be separated from milk in a cream separator because of – centrifugal force
27. A diode can be used for – rectification
28. Melting point of ice – decrease with increase of pressure
29. If the temperature inside a room is increased , the relative humidity will – decrease
30. Radioactivity was discovered by – H. Becquerel
31. Barometer – pressure , lactometer – milk , coluomb’s law – charge
32. In a transistor, the base is – an extrinsic semiconductor
33. Depth of the ocean is measured by – fathometer
34. The process of splitting of a heavy molecules into 2 or more lighter molecules is known as – Nuclear fission
35. Ohm’s law – v = IR
36. Twinkling of stars is based upon – refraction
37. Optical fibre following …… to carry the information in the form of light – total internal reflection
38. Thermometer use mercury because – it does not stick to the glass
39. Light year is unit of – distance
40. Current is scalar quantity
41. Electric generator converts – mechanical to electric
42. Electric motor converts – electric to mechanical
43. Microphone converts – sound to electric  , loudspeaker converts – electric to sound ,
44. Which gas is most popular as laughing gas – Nitrous Oxide
45. Electromagnetic concept was observed and discovered by – James Hargreaves
46. The Brahmos Missile was developed by which country – joint venture of India and Russia
47. The concept of inertia was develop by – Galilio
48. For the cultivation, name the crop required of water logging – Rice
49. Who achieved the discovery of Vitamin C – James Watson
50. What is the purest form of iron – Wrought Iron
51. What is the speed of earth around sun – 30 km/sec
52. Splittiing of light into its constituent colors is known as what – Dispersion
53. Basically the heavy water is used by which type of industries – in Nuclear Power generation plants
54. Mechanical clock made by whom – Isaac Newton
55. What is the name of the tube which connects the middle ear with the throat – Eustachian Tube
56. What is the best source of protein – soyabean
57. Energy of the sun concept discovered by which scientist – Hasn Selye
58. Rate of growth of plant is measured by which instrument – Auxanometer
59. One horsepower = 746 watts
60. Which was the first satellite of India , go into the orbit = Aryabhatta
61. In human body Vitamin K is necessary for what – Formation of Prothrombin
62. Who discovered the modern Anthropology – Frederick Sanger
63. White revolution is related with what – Milk production
64. What is the radiant energy of the sun is transmitted – Short Waves
65. What is the chemical formula of Sodium Hydroxide – NaOH
66. Planet uranus was discovered by – Hideki Yakawa
67. The folded Earth book was written by – Anuradha Roy
68. Barometer was invented by – F. banting
69. Which rays is very helpful in long distance photography – Infra Red rays
70. In India, who laid the foundation of Nuclear science – Homi j bhabh
71. Name of vegetabel which is also known as a flower – Brocoli
72. Thermometer made first by – Gauss
73. When India supercomputer Param 10000 was unveiled – in 1998
74. Planet Jupiter has how many moons – at least 67 moons
75. Soda water contains – carbon dioxide
76. Stainless steel invented by – Harvery
77. Which planet is commonly known as dwarf planet – Pluto
78. Name the suitable material for purify the water – Zeolites
79. When a gas turned into a liquid the process is called – condensation
80. Which of the following parts of the sun is easily visible only during a total solar eclipse – corona
81. Earth’s seasons are caused by which of the following – the tilt of the earth’s rotation relative to the ecliptic as earth revolves around the sun
82. Which of the following is most liely to cause a rise in the average temperature of earth’s atmosphere in future – co2 from fossil fuels
83. The accumulation fo strees along the boundaries of lithospheric plates results in which of the following – earthquake
84. Which of the following elements is a metal – Ga
85. Pollination by birds is called – ornithophily
86. The fastest running terrestrial animal is – cheetah
87. As you go down into a well, your weight – decreases slightly
88. The study of phenomena at very low temperature is called – cryogenics
89. A cyclone is an engineering device that is used to – segregate paticles
90. Yeast, used in making bread is a – fungus
91. Which of the following is primarily composed of calcium carbonate – oyster shells
92. Cystitis is the infection of which of the following – urinary bladder
93. Plants get their nitrogen from – the soil
94. Which of the following elements was unknown to ancient civilization – aluminum
95. Which of the folloeing is an important lement of stainless steel – chromium
96. Which of the following is not a major pollutant from automobiles – sulfur dioxide
97. The most serious environmental pollution from a nuclear reactor is – thermal pollution
98. Biomass energy is – formed through photosynthesis
99. Which among the following is the main fatty acid of the sunflower oil – linoleic acid
100. Which among the following correctly denotes Mycorrhiza – fungus + roots
101. What is the number of essential amino acids – 20 
102. Indian Constitution Indian constitution was adopted on November 26 , 1949 and it came into effect on January 26 , 1950. it is the longest written constitution in the world. it declares India to sovereign, socialist, secular, democratic republic , assuring its citizens of justice , equality and liberty and endeavors to promote fraternity among them.
103. Dr.  Rajendra Prasad was elected as the President of the Constituent Assembly
104. Dr. Bhim Rao Ambedakar was the Chairman of the Drafting Committee of the Constituent Assembly.
105. The only state in India to have its own constitution is Jammu and Kashmir.
106. Six broad categories of Fundamental Rights are there in our Constitution.
107. Eleven Fundamental Duties of the citizen are incorporated in article 51 A , part 4 – A of the Constitution.
108. 18 years is the minimum age for a citizen to cast vote at the election to the Lok Sabha and the State assemblies
109. At the time of commencement, the constitution had 395 articles.
110. According to the constitution, if the president of India wishes to resign , he should address his resignation letter to the vice president.       
111. The Indian national congress was founded in 1885  
112. The first war of Independence (August Kranti) was fought in – 1857
113. The year of the Russian Revolution was -1917
114. The first world war started in - 1914
115. The second world war started in – 1939
116. The world’s first atomic bomb exploded in Hiroshima on August 6 – 1945
117. India gained independence in – 1947
118. Indira Gandhi was assassinated in – 31 oct 1984
119. Earth day – April 22
120. World Environment day – June 5
121. Water resource day – March 22
122. World health day – April 7
123. World population day – July 11
124. Teacher’s day – September 5
125. World teacher’s day – October 5
126. Which is the highest concrete gravity dam in Asia – Bhakhara dam
127. The famous Gandhi sagar dam is constructed on which river – Chambal
128. The famous tehri Dam is constructed on which river – Bhagirathi
129. On which river is the Hirakund dam constructed – Mahanadi
130. In which state is the Rana SAgar dam situated – Rajsthan
131. In terms of the volume of concrete involve for gravity dams , which is the largest dam in India – Sardar Sarovar
132. In which state Rihand dam is situated – Uttar Pradesh
133. Till date, whch is the highest earth fill dam constructed in India – pong dam
134. In which state is the Pandoh Dam situated – Himachal Pradesh
135. Nagarjun Dam is a very impotant dam on the river Krishna . This dam is the tallest and biggest masonry dam in the world . it creates the third largest man made lake in the world

Ansar Khan gk notes 

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