BCECE 2017 Biology Question Paper with Answer Key PDF (Set C)

BCECE Questions

• 1.

  The pyrimidine bases present in DNA are:
  

  • Cytosine and Uracil
    
  • Cytosine and Thymine
    
  • Cytosine and Guanine
    
  • Cytosine and Adenine
    
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• 2.

  How many moles of O₂ will be formed from the decomposition of Pb(NO₃)₂?
  

  • 1 mole
    
  • 2 moles
    
  • 0.5 mole
    
  • 4 moles
    
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• 3.

  Which one of these is the most acidic oxide?
  

  • MnO (Manganese (II) oxide)
    
  • Mn₂O₃ (Manganese (III) oxide)
    
  • Mn₂O₇ (Manganese (VII) oxide)
    
  • MnO₂ (Manganese (IV) oxide)
    
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• 4.

  Blood clotting is caused by which vitamin?
  

  • Vitamin A
    
  • Vitamin C
    
  • Vitamin K
    
  • Vitamin D
    
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• 5.

  Oxidation of toluene to benzaldehyde by the use of chromyl chloride is called
  

  • Wurtz reaction
    
  • Etard's reaction
    
  • Fittig reaction
    
  • Rosenmund's reaction
    
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• 6.

  Tomato is a natural source of which acid?
  

  • Acetic acid
    
  • Citric acid
    
  • Tartaric acid
    
  • Oxalic acid
    
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