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CTET Solved Paper - RTET Feburary 2011 Paper2

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146. The gas responsible for global warming is

  • Option : B
  • Explanation : Green house gas (i.e., CO2) is responsible for global warming.
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147. The atomic number of a nucleus is equal to

  • Option : C
  • Explanation : Number of proton is equal to atomic number of nucleus.
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148. If acid burn occurs in the laboratory, then wash with plenty of water and before putting vaseline which of the following first-aids should be performed?

  • Option : A
  • Explanation : Sodium bicarbonate solution reduces bad effect of acid burns.
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149. A place where small animals like termites, fly, earthworm etc. are cultured according to their habits is called

  • Option : C
  • Explanation : Terrarium is habitat place of termites, fly, earthworms etc.
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150. Which of the following statements is not correct?

  • Option : D
  • Explanation : Aim is a goal where as objective is intention.
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RTET Feburary 2011 Paper2