{"id":41977,"date":"2020-07-03T17:36:21","date_gmt":"2020-07-03T12:06:21","guid":{"rendered":"https:\/\/cracku.in\/blog\/?p=41977"},"modified":"2020-07-03T18:57:07","modified_gmt":"2020-07-03T13:27:07","slug":"top-20-ssc-cpo-inventions-and-discoveries-questions-pdf","status":"publish","type":"post","link":"https:\/\/cracku.in\/blog\/top-20-ssc-cpo-inventions-and-discoveries-questions-pdf\/","title":{"rendered":"Top-20 SSC CPO Inventions and Discoveries Questions PDF"},"content":{"rendered":"<h2>Top-20 SSC CPO Inventions and Discoveries Questions PDF<\/h2>\n<p>Download SSC CPO Inventions and Discoveries Questions with answers PDF based on previous papers very useful for SSC CPO exams. Very important Questions for SSC exams.<\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/downloads\/9728\" target=\"_blank\" class=\"btn btn-danger  download\">Download Top-20 SSC CPO Inventions and Discoveries Questions PDF<\/a><\/p>\n<p><p class=\"text-center\"><a href=\"https:\/\/cracku.in\/pay\/8dL2a\" target=\"_blank\" class=\"btn btn-info \">10 SSC CPO Mocks for Rs. 117<\/a><\/p><br \/>\n<iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/SZpeaDV-A2A\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<h2>Read this Post in <a style=\"color: blue;\" href=\"https:\/\/cracku.in\/blog\/hindi\/top-20-ssc-cpo-inventions-and-discoveries-questions-in-hindi-pdf\/\">Hindi<\/a><\/h2>\n<p><b>Question 1:\u00a0<\/b>Who discovered the camera?<\/p>\n<p>a)\u00a0Johann Zahn<\/p>\n<p>b)\u00a0George Eastman<\/p>\n<p>c)\u00a0Thomas Alva Edison<\/p>\n<p>d)\u00a0Charles Babbage<\/p>\n<p><b>Question 2:\u00a0<\/b>C.Funk\u2019s name has been associated with the research of which of the following?<\/p>\n<p>a)\u00a0Vitamins<\/p>\n<p>b)\u00a0Proteins<\/p>\n<p>c)\u00a0Minerals<\/p>\n<p>d)\u00a0Carbohydrates<\/p>\n<p><b>Question 3:\u00a0<\/b>Penicillin was discovered by<\/p>\n<p>a)\u00a0Fleming<\/p>\n<p>b)\u00a0Edward Jenner<\/p>\n<p>c)\u00a0Z. Jansen<\/p>\n<p>d)\u00a0G. Daimler<\/p>\n<p><b>Question 4:\u00a0<\/b>Antigen was discovered in &#8230;&#8230;&#8230;. by &#8230;&#8230;&#8230;.<\/p>\n<p>a)\u00a01902, Bellis and Sterling<\/p>\n<p>b)\u00a01939, Paul Mueller<\/p>\n<p>c)\u00a01901, Landsteiner<\/p>\n<p>d)\u00a01953, Henry Swan<\/p>\n<p><b>Question 5:\u00a0<\/b>Who invented the microchip?<\/p>\n<p>a)\u00a0Robert Noyce and Jack Kilby<\/p>\n<p>b)\u00a0Larry Page and Sergey Brin<\/p>\n<p>c)\u00a0Sabeer Bhatia<\/p>\n<p>d)\u00a0Gordon Moore &amp; Robert Noyce<\/p>\n<p><b>Question 6:\u00a0<\/b>In 1679, Denis Papin, a French physicist, who assisted Robert Boyle, used the latter&#8217;s scientific discoveries and invented what is today one of the most commonly found kitchen equipment. His invention earned him a member of the Royal Society of England. What was the invention?<\/p>\n<p>a)\u00a0Knife<\/p>\n<p>b)\u00a0Fork<\/p>\n<p>c)\u00a0Pressure Cooker<\/p>\n<p>d)\u00a0Stove<\/p>\n<p><b>Question 7:\u00a0<\/b>This personality is the father of radio science and has pioneered Bengali science fiction in the country. He invented the crescograph, a device that measures growth in plants. Identify him.<\/p>\n<p>a)\u00a0Homi Bhabha<\/p>\n<p>b) Jagadish Chandra Bose<\/p>\n<p>c)\u00a0CV Raman<\/p>\n<p>d)\u00a0Govind Khurana<\/p>\n<p><b>Question 8:\u00a0<\/b>Who invented the Safety razor?<\/p>\n<p>a)\u00a0Gillette<\/p>\n<p>b)\u00a0Steve Cher<\/p>\n<p>c)\u00a0Steve Job<\/p>\n<p>d)\u00a0Lar strauss<\/p>\n<p><b>Question 9:\u00a0<\/b>Mercury thermometer was invented by:<\/p>\n<p>a)\u00a0Galileo<\/p>\n<p>b)\u00a0Fahrenheit<\/p>\n<p>c)\u00a0Newton<\/p>\n<p>d)\u00a0Priestley<\/p>\n<p><b>Question 10:\u00a0<\/b>Who among the following created the Electronic Discrete Variable Automatic Computer (EDVAC) with a memory to hold both, a stored program as well as data?<\/p>\n<p>a)\u00a0John von Neumann<\/p>\n<p>b)\u00a0Bletchley Park<\/p>\n<p>c)\u00a0Arthur Samuel<\/p>\n<p>d)\u00a0Thomas H Flowers<\/p>\n<p class=\"text-center\"><a href=\"https:\/\/www.youtube.com\/channel\/UCVFahh7Fd1b4sPUpq2mtxpg\" target=\"_blank\" class=\"btn btn-warning \">FREE SSC EXAM YOUTUBE VIDEOS<\/a><\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/ssc-cpo-previous-papers\" target=\"_blank\" class=\"btn btn-info \">Download SSC CPO Previous Papers PDF<\/a><\/p>\n<p><b>Question 11:\u00a0<\/b>Television was invented by<\/p>\n<p>a)\u00a0R.A Millikan<\/p>\n<p>b)\u00a0Louis Braille<\/p>\n<p>c)\u00a0J.L Baird<\/p>\n<p>d)\u00a0Lawrence<\/p>\n<p><b>Question 12:\u00a0<\/b>\u201cAn average level of Intelligence Quotient (IQ) and high level of Emotional Intelligence is a formula for personal success\u201d. Who proposed this?<\/p>\n<p>a)\u00a0William Bell<\/p>\n<p>b)\u00a0Thurston<\/p>\n<p>c)\u00a0Peter James<\/p>\n<p>d)\u00a0Daniel Goleman<\/p>\n<p><b>Question 13:\u00a0<\/b>Who is the inventor of Dynamite?<\/p>\n<p>a)\u00a0Alfred Nobel<\/p>\n<p>b)\u00a0Marie Currie<\/p>\n<p>c)\u00a0Robert Oppenheimer<\/p>\n<p>d)\u00a0Otto Hahn<\/p>\n<p><b>Question 14:\u00a0<\/b>The invention of crescograph is associated to which of the following scientists of India?<\/p>\n<p>a)\u00a0Meghnad Saha<\/p>\n<p>b) Jagdish Chandra Bose<\/p>\n<p>c)\u00a0Homi J Bhabha<\/p>\n<p>d)\u00a0Satyendranath Bose<\/p>\n<p class=\"text-center\"><a href=\"https:\/\/www.youtube.com\/channel\/UCVFahh7Fd1b4sPUpq2mtxpg\" target=\"_blank\" class=\"btn btn-warning \">FREE SSC EXAM YOUTUBE VIDEOS<\/a><\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/ssc-cpo-previous-papers\" target=\"_blank\" class=\"btn btn-info \">Download SSC CPO Previous Papers PDF<\/a><\/p>\n<p><b>Question 15:\u00a0<\/b>Which of the following activities by Benjamin Franklin led him to gain a better understanding of lightning and eventually to the invention of the lightning rod?<\/p>\n<p>a)\u00a0Practising on a piano<\/p>\n<p>b)\u00a0Swimming in a river<\/p>\n<p>c)\u00a0Flying a kite<\/p>\n<p>d)\u00a0Riding a horse<\/p>\n<p><b>Question 16:\u00a0<\/b>Who discovered the electron?<\/p>\n<p>a)\u00a0J.J. Thomson<\/p>\n<p>b)\u00a0James Chadwick<\/p>\n<p>c)\u00a0E. Rutherford<\/p>\n<p>d)\u00a0E. Goldstein<\/p>\n<p><b>Question 17:\u00a0<\/b>Who discovered that mosquitoes spread malaria?<\/p>\n<p>a)\u00a0Sir Ronald Ross<\/p>\n<p>b)\u00a0Homi Bhabha<\/p>\n<p>c)\u00a0Sir Issac Newton<\/p>\n<p>d)\u00a0Michael S Brown<\/p>\n<p><b>Question 18:\u00a0<\/b>Which scientist formulated &#8216;the theory of Evolution&#8217;?<\/p>\n<p>a)\u00a0Alexander Fleming<\/p>\n<p>b)\u00a0Charles Darwin<\/p>\n<p>c)\u00a0Aristotle<\/p>\n<p>d)\u00a0Issac Newton<\/p>\n<p><b>Question 19:\u00a0<\/b>Who discovered the fact that sunlight consists of seven colours?<\/p>\n<p>a)\u00a0Faraday<\/p>\n<p>b)\u00a0Newton<\/p>\n<p>c)\u00a0Oersted<\/p>\n<p>d)\u00a0Snell<\/p>\n<p><b>Question 20:\u00a0<\/b>Who among the following discovered the presence of neutrons in the nucleus of an atom?<\/p>\n<p>a)\u00a0J. Chadwick<\/p>\n<p>b)\u00a0E. Goldstein<\/p>\n<p>c)\u00a0J.J. Thomson<\/p>\n<p>d)\u00a0E. Rutherford<\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/ssc-study-material\" target=\"_blank\" class=\"btn btn-danger \">SSC Study Material &#8211; 18000 Solved Questions<\/a><\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/ssc-questions\" target=\"_blank\" class=\"btn btn-primary \">1500+ Top Free SSC CPO Solved Questions<\/a><\/p>\n<p><span style=\"text-decoration: underline;\"><strong>Answers &amp; Solutions:<\/strong><\/span><\/p>\n<p><strong>1)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p>The camera was discovered by Johann Zahn.<\/p>\n<p><strong>2)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p><strong>3)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p><strong>4)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p><strong>5)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p><strong>6)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p><strong>7)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p><strong>8)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p><strong>9)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p><strong>10)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p><strong>11)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p><strong>12)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p><strong>13)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p><strong>14)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p><strong>15)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p><strong>16)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p><strong>17)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p><strong>18)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p><strong>19)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p><strong>20)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/ssc-cpo-mock-test\" target=\"_blank\" class=\"btn btn-info \">SSC CPO Free Mock Tests<\/a><\/p>\n<p class=\"text-center\"><a href=\"https:\/\/play.google.com\/store\/apps\/details?id=in.cracku.app&amp;hl=en_US\" target=\"_blank\" class=\"btn btn-danger \">DOWNLOAD APP FOR SSC FREE MOCKS<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Top-20 SSC CPO Inventions and Discoveries Questions PDF Download SSC CPO Inventions and Discoveries Questions with answers PDF based on previous papers very useful for SSC CPO exams. Very important Questions for SSC exams. Read this Post in Hindi Question 1:\u00a0Who discovered the camera? a)\u00a0Johann Zahn b)\u00a0George Eastman c)\u00a0Thomas Alva Edison d)\u00a0Charles Babbage Question 2:\u00a0C.Funk\u2019s [&hellip;]<\/p>\n","protected":false},"author":49,"featured_media":41992,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"footnotes":""},"categories":[9,3794],"tags":[3876,3874],"class_list":{"0":"post-41977","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-ssc","8":"category-ssc-cpo-en","9":"tag-ssc-cpo-inventions-and-discoveries-questions","10":"tag-ssc-cpo-questions-en"},"better_featured_image":{"id":41992,"alt_text":"Top-20 SSC CPO Inventions and Discoveries Questions PDF","caption":"Top-20 SSC CPO Inventions and Discoveries Questions PDF","description":"Top-20 SSC CPO Inventions and Discoveries Questions 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Very important Questions for SSC exams. Read this Post in Hindi Question 1:\u00a0Who discovered the camera? a)\u00a0Johann Zahn b)\u00a0George Eastman c)\u00a0Thomas Alva Edison d)\u00a0Charles Babbage Question 2:\u00a0C.Funk\u2019s [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/cracku.in\/blog\/top-20-ssc-cpo-inventions-and-discoveries-questions-pdf\/\" \/>\n<meta property=\"og:site_name\" content=\"Cracku\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/crackuexam\/\" \/>\n<meta property=\"article:published_time\" content=\"2020-07-03T12:06:21+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2020-07-03T13:27:07+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2020\/07\/SSC-CPO-3-JULY-iNVEN.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"720\" \/>\n<meta name=\"twitter:card\" content=\"summary\" \/>\n<meta name=\"twitter:creator\" content=\"@crackuexam\" \/>\n<meta name=\"twitter:site\" content=\"@crackuexam\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Organization\",\"@id\":\"https:\/\/cracku.in\/blog\/#organization\",\"name\":\"Cracku\",\"url\":\"https:\/\/cracku.in\/blog\/\",\"sameAs\":[\"https:\/\/www.facebook.com\/crackuexam\/\",\"https:\/\/www.youtube.com\/channel\/UCjrG4n3cS6y45BfCJjp3boQ\",\"https:\/\/twitter.com\/crackuexam\"],\"logo\":{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/cracku.in\/blog\/#logo\",\"inLanguage\":\"en-US\",\"url\":\"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2016\/09\/logo-blog-2.png\",\"width\":544,\"height\":180,\"caption\":\"Cracku\"},\"image\":{\"@id\":\"https:\/\/cracku.in\/blog\/#logo\"}},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/cracku.in\/blog\/#website\",\"url\":\"https:\/\/cracku.in\/blog\/\",\"name\":\"Cracku\",\"description\":\"A smarter way to prepare for CAT, XAT, TISSNET, CMAT and other MBA Exams.\",\"publisher\":{\"@id\":\"https:\/\/cracku.in\/blog\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":\"https:\/\/cracku.in\/blog\/?s={search_term_string}\",\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/cracku.in\/blog\/top-20-ssc-cpo-inventions-and-discoveries-questions-pdf\/#primaryimage\",\"inLanguage\":\"en-US\",\"url\":\"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2020\/07\/SSC-CPO-3-JULY-iNVEN.png\",\"width\":1280,\"height\":720,\"caption\":\"Top-20 SSC CPO Inventions and Discoveries Questions PDF\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/cracku.in\/blog\/top-20-ssc-cpo-inventions-and-discoveries-questions-pdf\/#webpage\",\"url\":\"https:\/\/cracku.in\/blog\/top-20-ssc-cpo-inventions-and-discoveries-questions-pdf\/\",\"name\":\"Top-20 SSC CPO Inventions and Discoveries Questions PDF - 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