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General Knowledge on General Science | GK Test on General Science Page 13
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General Science

General Knowledge on General Science

(Click on suggested Options to select the answer | Color Red means : Wrong & Green Means: Correct)

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121. Which one of the following statements about uranium is correct?
  • A. Uranium (U-235) is fissionable by thermal neutrons.
  • B. Fast neutrons trigger the fission process in U-235.
  • C. U-238 breaks up into fragments when bombarded by slow neutrons.
  • D. U-235 is an unstable isotope and undergoes spontaneous fission.
  • Check Answer | Discussion
122. Now a day most of buildings are made by having at least two layers of walls with a gap in between. Because
  • A. it makes the building stronger
  • B. it prevents see page from outside
  • C. it protects the building from lightning
  • D. it helps in keeping the inside cooler in summer and warmer in winter
  • Check Answer | Discussion
123. Two balloons are blown into spherical shape of unequal size and are connected through a narrow tube. Then what will observe?
  • A. The smaller balloon becomes bigger
  • B. The bigger balloon becomes smaller
  • C. The smaller becomes smaller and the bigger becomes bigger
  • D. There is no change in their size
  • Check Answer | Discussion
124. What is Virotherapy?
  • A. It is a therapy to treat viral infection in human beings
  • B. It is a treatment using biotechnology to convert viruses into therapeutic agents by reprogramming viruses to treat diseases
  • C. There are two main branches of virotherapy anti-cancer oncolytic viruses and viral immunotherapy
  • D. It is actually used to change harmful viruses intouseful one
  • Check Answer | Discussion
125. Xenobiotic which are inherently resistant to microbial attack are called as
126. Which of the following gases is used in cigarette lighters?
127. Food cans are coated with tin but not with zinc because
  • A. zinc is costlier than tin
  • B. zinc has a higher melting point than tin
  • C. zinc is more reactive than tin
  • D. tin is more reactive than zinc
  • Check Answer | Discussion
128. To look total image of a person, the minimum height of a plane mirror is
  • A. equal to the height of a person
  • B. half of the height of a person
  • C. one-fourth of the height of a person
  • D. two times the height of a person
  • Check Answer | Discussion
129. Why are the inner lining of hot water made up of copper?
  • A. copper has less heat capacity
  • B. Copper has high electrical conductivity
  • C. Copper does not react with steam
  • D. Copper is good conductor of both heat and electricity
  • Check Answer | Discussion
130. Which one of the following is used to determine the age of human fossils?
  • A. Density determination of fossil
  • B. Softness of the fossil
  • C. Radio-carbon dating
  • D. Water content of the fossil
  • Check Answer | Discussion

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