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Evolution — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYEvolution1 Mark
MCQ
Which type of selection is industrial melanism observed in moth, Biston bitularia:
  • A
    Stabilising.
  • ✓
    Directional.
  • C
    Disruptive.
  • D
    Artificial.
✓

Answer

Correct option: B.
Directional.
Industrial melanism is not a mean character but is acquired by most of the individuals. Hence, it is an example of directional change.

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