Gk Questions and Answers

1. Which one of the following chemicals helps in fruit ripening?
  A.  Isoproturan
  B.  Ethephon
  C.  Atrazine
  D.  Malathion
Answer
Ans: B
Ethephon
2. Which one of the following glasses is used in bullet proof screens?
  A. Soda glass
  B. Jena glass
  C. Reinforced glass
  D. Pyrex glass
Answer
Ans: C
Reinforced glass
3. In which type of coal percentage of carbon is the highest?
  A.  Peat
  B.  Lignite
  C.  Anthracite
  D.  Bituminous
Answer
Ans: C
Anthracite
4. Glacial acetic acid contains
  A.  acetic acid
  B.  70% acetic acid
  C.  90% acetic acid
  D.  100% acetic acid
Answer
Ans: D
100% acetic acid
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