KCET 2008 Biology Question Paper with Answer Key PDF (April 19)

KCET Questions

• 1.

  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
  View Solution

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• 2.

  In Entamoeba histolytica, the presence of chromatid bodies is characteristic of

  • precystic stage
  • mature quadrinucleate stage
  • trophozoite stage
  • mature binucleate stage
  View Solution

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• 3.

  Which one of the following is an amphoteric oxide?

  • $ZnO$
  • $Na _{2} O$
  • $SO _{2}$
  • $B _{2} O _{3}$
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• 4.

  In Leucosolenia, food is stored in

  • archaeocytes
  • choanocytes
  • amoebocytes
  • porocytes
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• 5.

  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
  View Solution

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• 6.

  Which one of the following has the regular tetrahedral structure ?

  • $XeF_4$
  • $[Ni(CN)+4]^{2-}$
  • $BF^-_4$
  • $SF_4$
  View Solution