#gk #gkquiz #gkallexam Who invented electricity? Ans. Benjamin Franklin 62. Which continent is known as the ‘Dark’ continent? Ans. Africa 63. Name the planet known as the Red Planet? Ans. Mars 64. Who wrote "Malgudi Days"? Ans. R. K. Narayan 65. Name the National game of the USA? Ans. Baseball 66. Who invented Watch? Ans. Peter Henlein 67. Name the largest 'Democracy' of the world? Ans. India 68. Which is the smallest bone in the human body? Ans. Stapes (Ear bone) 69. Name the country known as the Land of the Rising Sun? Ans. Japan 70. How many millimetres are there in a centimetre? Ans. 10mm 71. Name the hardest substance available on Earth? Ans. Diamond 72. Name a shape that has ten sides? Ans. Decagon 73. Name the largest ocean in the World? Ans. Pacific Ocean 74. Who is the real founder of Microsoft? Ans. Bill Gates and Paul G. Allen 75. Who gave the theory of Relativity? Ans. Albert Einstein 76. Who is the Father of our Nation? Ans. Mahatma Gandhi 77. Who discovered the X-rays first? Ans. Wilhelm Roentgen 78. Who gave the universal law of gravitation? Ans. Issac Newton