KCET 2018 Biology A Question Paper with Answer Key PDF (April 18, 2018 - Morning Session)

KCET Questions

• 1.

  On the basis of standard electrode potential of redox couples given below, find out which of the following is the strongest oxidising agent. (E$^{\circ}$ values : $Fe^{3+}\left| Fe^{2+}=+ 0.77 V ; I_{2\left(s\right)}\right|I^{- } =$ $+ 0.54 V; Cu^{2+}\left|Cu= + .34 V ; Ag^{+}\right| Ag = + 0.80 V$)

  • $Fe^{3+}$
  • $I_{2(s)}$
  • $Cu^{2+}$
  • $Ag^{+}$
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• 2.

  Ammonia, on reaction with excess of chlorine, gives

  • $NCl _{3}$ and $HCl$
  • $N _{4}$ and $NH _{4} Cl$
  • $NCl _{3}$ and $NH _{4} Cl$
  • $N _{2}$ and $HCl$
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• 3.

  Which of the following induces parturition?

  • Vasopressin
  • Oxytocin
  • GH
  • TSH
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• 4.

  All veins carry deoxygenated blood except

  • pulmonary vein
  • hepatic vein
  • hepatic portal vein
  • renal vein
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• 5.

  A vessel at 1000 K contains $CO_2$ with a pressure of 0.5 atm. Some of the $CO_2$ is converted into CO on the addition of graphite. It the total pressure at equilibrium is 0.8 atm, the value of K is

  • 3 atm
  • 0.3 atm
  • 0.18 atm
  • 1.8 atm
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• 6.

  A vessel of one litre capacity containing $1$ mole of $SO_3$ is heated till a state of equilibrium is attained. $ {2SO3_{(g)} <=> 2SO2_{(g)} + O2_{(g)}}$ At equilibrium, $0.6 \,moles$ of $SO_2$ had formed. The value of equilibrium constant is

  • 0.18
  • 0.36
  • 0.45
  • 0.68
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