The first bird is believed to have appeared on the surface of the earth
Options
(a)300 million years ago
(b)200 million years ago
(c)150 million years ago
(d)100 million years ago
The full breakdown is part of the paid archive
This question's answer, explanation and links to every related question across 48 years (1979–2026) are inside the app. The two most recent years are free to read in full — no account needed.
Independent UPSC previous-year-questions study tool — not affiliated with or endorsed by the UPSC. Question text is reproduced from publicly released UPSC examination papers. UPSCviaPYQs · Privacy · Terms