Science & Technology Questions and Answers updated daily – General Knowledge
Science & Technology Questions: Solved 139 Science & Technology 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.
Science & Technology Questions
101. When measuring the characteristics of a small-signal amplifier, say for a radio receiver, one might be concerned with its "Noise..."?
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Correct Ans:Figure
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102. What does EPROM stand for?
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Correct Ans:Erasable Programmable Read Only Memory
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103. What does AM mean?
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Correct Ans:Amplitude Modulation
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104. "CD" computer abbreviation usually means ?
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Correct Ans:Compact Disc
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105. Once the active medium is excited, the first photons of light are produced by which physical process?
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Correct Ans:Spontaneous emission
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106. What does the term PLC stand for?
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Correct Ans:Programmable Logic Controller
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107. Larger buildings may be supplied with a medium voltage electricity supply, and will required a substation or mini-sub. What is the main item of equipment contained in these?
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Correct Ans:Transformer
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108. Voltage is sometimes referred to as EMF, or Electromotive...?
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Correct Ans:Force
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109. Compact discs, (according to the original CD specifications) hold how many minutes of music?
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Correct Ans:74 mins
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110. Which one of the following is a spacecraft?
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Correct Ans:Cassini
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111. Metal tea pots have wooden handles because ____________
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Correct Ans:because wood is a bad conductor of heat
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112. Bile is produced by __________
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Correct Ans:Liver
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113. Which phenomenon do bats and dolphins use to find prey?
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Correct Ans:Echo Location
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114. Insulin was discovered by ___________
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Correct Ans:Fredrick Banting
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115. Which among the following controls blood pressure?
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Correct Ans:Adrenal
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116. A chemical substance secreted by particular species of animal to attract another member of same species is _________
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Correct Ans:Pheromones
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117. Which is the largest flightless bird?
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Correct Ans:Ostrich
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118. The oxygen in photosynthesis is released from __________
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Correct Ans:H2O
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119. Pollen grains of flowers in which pollination takes place by insects are __________
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Correct Ans:Rough and sticky
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120. Clove is a __________
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Correct Ans:Dry Flower bud
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