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Heredity and Evolution — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceHeredity and Evolution1 Mark
MCQ
Which statement describes an example of artificial selection ?
  • A
    It has been found that some strains of bacteria produce antibiotics.
  • ✓
    It is common practice to mate bulls with cows that produce the most milk.
  • C
    It is possible to control caterpillars on food crops by releasing small wasps which lay their eggs on caterpillars and kill them.
  • D
    Mosquitoes have developed strains that are resistant to insecticides.
✓

Answer

Correct option: B.
It is common practice to mate bulls with cows that produce the most milk.

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