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JKCET Natural Selection — practice questions

Explore 1 free Natural Selection questions in JKCET Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Natural Selection questions and exercises with answers

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Industrial melanism in **Biston betularia (peppered moth)** is a classic example of:Read the answer and worked solution →

Worked practice questions

Industrial melanism in **Biston betularia (peppered moth)** is a classic example of:

  1. Genetic drift
  2. Lamarckian inheritance
  3. Natural selection (directional)
  4. Bottleneck effect
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Correct answer: C. Natural selection (directional)

**Before industrialisation:** pale, lichen-camouflaged moths predominated. After soot blackened tree trunks, dark (carbonaria) form became favoured by selection (camouflaged from predatory birds). A directional natural-selection example.

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