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Evolution — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYEvolution1 Mark
MCQ
Appearance of antibiotic$-$resistant bacteria is an example of:
  • A
    Adaptive radiation.
  • B
    Transduction.
  • ✓
    Pre$-$existing variation in the population.
  • D
    Divergent evolution.
✓

Answer

Correct option: C.
Pre$-$existing variation in the population.
Adaptive radiation is related to evolution of different designs for a single organ according to varied needs of different groups. Transduction is related to transfer of viral or bacterial genetic material. Divergent evolution is related to homologous organs.
Hence, option $'c\ ’$ is correct.

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