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General Knowledge on General Science | GK Test on General Science Page 15
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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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141. Which one among the following nontoxic gases helps in formation of enzymes which ripen fruit?
142. Which of the following is the most important factor for speciation?
143. One of the occupational health hazards commonly faced by the workers of ceramic , pottery or glass industries is
144. The role of the calcinations metallurgical process is
  • A. to remove moisture
  • B. to decompose carbonate into oxide
  • C. to remove organic matter
  • D. All of the above
  • Check Answer | Discussion
145. Which one among the following polymers is re-synthesised from the naturally occurring polymer?
146. Which one of the following compounds was responsible for the epidemic form of disease called 'Minamata Disease?
147. Why hard water does not give lather with soap?
  • A. Hard water contains calcium and magnesium ions which form precipitate with soap.
  • B. Hard water contains sulphate and chloride ions which form precipitate .
  • C. pH of hard water is high.
  • D. pH of hard water is less.
  • Check Answer | Discussion
148. The common soap used in washing is worked by
  • A. reducing the surface tension of water
  • B. increasing the surface tension of water
  • C. reducing the viscosity of water
  • D. increasing the viscosity of water
  • Check Answer | Discussion
149. Which one of the following is correct when a body moving in a circular path with constant speed ?
  • A. The body has constant acceleration
  • B. The body has constant retardation
  • C. The body has variable acceleration
  • D. The body has constant velocity and variable speed
  • Check Answer | Discussion
150. Which one among the following is the function of osphradium found in Pila globosa?

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