Science & Technology: Solved 31 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

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




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Correct Ans:74 mins
Explanation:


2. Which one of the following is a spacecraft?




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Correct Ans:Cassini
Explanation:


3. Metal tea pots have wooden handles because ____________




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


4. Bile is produced by __________




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Correct Ans:Liver
Explanation:


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




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Correct Ans:Echo Location
Explanation:


6. Insulin was discovered by ___________




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Correct Ans:Fredrick Banting
Explanation:


7. Which among the following controls blood pressure?




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Correct Ans:Adrenal
Explanation:


8. 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:


9. Which is the largest flightless bird?




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Correct Ans:Ostrich
Explanation:


10. The oxygen in photosynthesis is released from __________




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Correct Ans:H2O
Explanation:


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




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Correct Ans:Rough and sticky
Explanation:


12. Clove is a __________




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Correct Ans:Dry Flower bud
Explanation:


13. Penicillin is isolated from ____________




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Correct Ans:Fungi
Explanation:


14. Which bacteria is helpful in making curd from milk?




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Correct Ans:Lactobacillus
Explanation:


15. Newton’s first law is also called as ___________




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Correct Ans:law of inretia
Explanation:


16. Fat can be separated from milk in a cream separator because of ___________




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Correct Ans:centrifugal force
Explanation:


17. Decibel is the unit of ______




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Correct Ans:intensity of sound
Explanation:


18. PSLV-C14 in its latest space quest had carried Oceasat-2 with how many foreign nano satellites?




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Correct Ans:6
Explanation:


19. What is click jacking?




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Correct Ans:A malicious techique of tricking web users into revealing confidential information
Explanation:


20. An oil tanker is partially filled with oil and moves forward on a level road with uniform acceleration. The free surface of oil then ___________




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Correct Ans:is inclined to the horizontal with larger depth at the rear end
Explanation:



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