NCERT/Class 12/Biology/Evolution

Evolution

Class 12 · Biology

39 questions22 easy13 medium4 hard

Sample Questions

Q1.The Miller-Urey experiment demonstrated:

  • ALife can originate from inorganic molecules
  • BOrganic molecules can form from inorganic compounds
  • CLife arose spontaneously
  • DProteins form easily in nature

Q2.Disruptive selection favours:

  • AThe average phenotype
  • BBoth extreme phenotypes
  • CThe most common phenotype
  • DOnly recessive traits

Q3.The origin of life likely involved:

  • AChemical evolution from inorganic molecules
  • BBiological evolution
  • CSpontaneous generation
  • DDivine creation

Q4.Fossils provide evidence of:

  • ACurrent species distribution
  • BEvolutionary history and past life
  • CGenetic code
  • DProtein structure

Q5.Vestigial organs are:

  • AOrgans that are fully functional
  • BDegenerated organs with reduced or no function
  • COrgans that evolved recently
  • DOrgans unique to one species

Q6.This is a sample question to preview what you'll get in the full practice test...

  • A. Option one
  • B. Option two
  • C. Option three
  • D. Option four
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Concepts Covered

AdaptationComparative anatomyEvolution evidenceFossil recordGene poolGenetic driftHardy-Weinberg principleMolecular evolutionNatural selectionSpeciation

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