BCECE 2016 Biology Question Paper with Answer Key PDFs (April 17)

BCECE Questions

• 1.

  Which of the following is not a Bronsted acid?
  

  • CH₃NH₃ (Methylammonium ion)
    
  • CH₃COO^- (Acetate ion)
    
  • H₂O (Water)
    
  • HSO₄^- (Hydrogen sulfate ion)
    
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• 2.

  In a Bowler's solution containing the same concentrations of B^- and HB, the ratio of K_B to B^- is 10^-10. The pH of the Bowler's solution will be:

  • 4
    
  • 6
    
  • 7
    
  • 10
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• 3.

  What is Insulin chemically?
  

  • Carbohydrate
    
  • Lipid
    
  • Protein
    
  • Vitamin
    
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• 4.

  What is used for the Thermite Reaction?

  • $\text{Fe}_2\text{O}_3 + \text{Al}$
    
  • $\text{Fe}_2\text{O}_3 + \text{C}$
    
  • $\text{Al}_2\text{O}_3 + \text{Fe}$
    
  • $\text{CuO} + \text{C}$
    
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• 5.

  What color does Silver Chloride (AgCl) turn upon exposure to sunlight?
  

  • Grey
    
  • White
    
  • Yellow
    
  • Brown
    
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• 6.

  The bond dissociation energies of gaseous H₂, Cl₂, and HCl are 104, 58, and 103 kcal, respectively. The enthalpy of formation of HCl gas would be:

  • -44 kcal
    
  • -88 kcal
    
  • -22 kcal
    
  • -11 kcal
    
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