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Evolution — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYEvolution1 Mark
MCQ
First mammals appeared in the period:
  • A
    Triassic
  • B
    Jurassic
  • C
    Cretaceous
  • D
    Tertiary
✓

Answer

  1. Triassic

Explanation:

Triassic period, in geologic time, the first period of the Mesozoic era. It began 252 million years ago.

Reptiles increased in diversity and number, and the first dinosaurs appeared during this period along with the appearance of first mammals.

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