Basic Science Questions and Answers updated daily – General Knowledge
Basic Science Questions: Solved 329 Basic Science Questions and answers section with explanation for various online exam preparation, various interviews, General Knowledge Category online test. Category Questions section with detailed description, explanation will help you to master the topic.
Basic Science Questions
101. Which of the following items will be attracted to the north pole of a permanent magnet by a magnet force?
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Correct Ans:A piece of iron that is not a permanent magnet
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102. Which of the following elements is a metal
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Correct Ans:Ga
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103. The accumulation of stress along the boundaries of lithospheric plates results in which of the following?
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Correct Ans:Earthquakes
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104. Which of the following is most likely to cause a rise in the average temperature of earth's atmosphere in future?
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Correct Ans:CO2 from fossil fuels
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105. Earth's seasons are caused by which of the following?
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Correct Ans:The tilt of the earth's rotation relative to the ecliptic as earth revolves around the sun
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106. Which of the following parts of the sun is easily visible only during a total solar eclipse?
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Correct Ans:corona
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107. When a gas is turned into a liquid, the process is called
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Correct Ans:condensation
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108. Which one of the following is the petroleum wax?
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Correct Ans:Paraffin wax
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109. The type of glass used in making lenses and prisms is
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Correct Ans:flint glass
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110. Soap is a mixture of sodium or potassium salts of
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Correct Ans:monocarboxylic acids
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111. Gypsum is added to cement clinker to
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Correct Ans:decrease the rate of setting of cement
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112. Paper is manufactured by
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Correct Ans:Wood, calcium, hydrogen sulphite and resin
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113. The vast resources of unutilised natural gas can be used in the production of
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Correct Ans:fertilisers
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114. Glass is made of the mixture of
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Correct Ans:sand and silicates
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115. Deep blue colour is imparted to glass by the presence of
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Correct Ans:cobalt oxide
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116. In vulcanisation, natural rubber is heated with
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Correct Ans:Sulphur
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117. How does common salt help in separating soap from the solution after saponification?
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Correct Ans:By decreasing solubility of Soap
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118. What are the soaps?
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Correct Ans:Sodium or potassium salts of heavier fatty acids
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119. The major ingredient of leather is
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Correct Ans:collagen
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120. Optic fibres are mainly used for which of the following?
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Correct Ans:Communication
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