Science & Technology: Solved 60 Science & Technology Questions and answers section with explanation for various online exam preparation, various interviews, Logical Reasoning Category online test. Category Questions section with detailed description, explanation will help you to master the topic.

Science & Technology Questions

21. DTP computer abbreviation usually means ?




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Correct Ans:DeskTop Publishing
Explanation:


22. 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
Explanation:


23. What does EPROM stand for?




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Correct Ans:Erasable Programmable Read Only Memory
Explanation:


24. What does AM mean?




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Correct Ans:Amplitude Modulation
Explanation:


25. "CD" computer abbreviation usually means ?




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Correct Ans:Compact Disc
Explanation:


26. 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
Explanation:


27. What does the term PLC stand for?




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Correct Ans:Programmable Logic Controller
Explanation:


28. 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
Explanation:


29. Voltage is sometimes referred to as EMF, or Electromotive...?




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Correct Ans:Force
Explanation:


30. Compact discs, (according to the original CD specifications) hold how many minutes of music?




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Correct Ans:74 mins
Explanation:


31. Which one of the following is a spacecraft?




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Correct Ans:Cassini
Explanation:


32. Metal tea pots have wooden handles because ____________




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Correct Ans:because wood is a bad conductor of heat
Explanation:


33. Bile is produced by __________




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Correct Ans:Liver
Explanation:


34. Which phenomenon do bats and dolphins use to find prey?




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Correct Ans:Echo Location
Explanation:


35. Insulin was discovered by ___________




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Correct Ans:Fredrick Banting
Explanation:


36. Which among the following controls blood pressure?




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Correct Ans:Adrenal
Explanation:


37. A chemical substance secreted by particular species of animal to attract another member of same species is _________




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Correct Ans:Pheromones
Explanation:


38. Which is the largest flightless bird?




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Correct Ans:Ostrich
Explanation:


39. The oxygen in photosynthesis is released from __________




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Correct Ans:H2O
Explanation:


40. Pollen grains of flowers in which pollination takes place by insects are __________




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Correct Ans:Rough and sticky
Explanation:





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