KCET 2016 Biology A-1 Question Paper with Answer Key PDF (May 4, 2016 - Morning Session)

KCET Questions

• 1.

  In Leucosolenia, food is stored in

  • archaeocytes
  • choanocytes
  • amoebocytes
  • porocytes
  View Solution

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• 2.

  After absorbring a slowly moving neutron of Mass mN (momentum $\approx$ 0) a nucleus of mass M breaks into two nuclei of masses $m_1$ and $5m_1$ ($6\, m_1 = M + mN$ ) respectively. If the de Broglic wavelength of the nucleus with mass $m_1$ is $\lambda$, the de Broglie wevelength of the nucleus will be:

  • $5\,\lambda$
  • $\lambda $\5
  • $\lambda$
  • $25\,\lambda$
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• 3.

  Acetaldehyde gives orange coloured precipitate on treatment with

  • 2, 4-DNP
  • $NH_2OH $
  • $NaHSO_3$
  • NaOH
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• 4.

  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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• 5.

  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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• 6.

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

  • precystic stage
  • mature quadrinucleate stage
  • trophozoite stage
  • mature binucleate stage
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