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6.Evolution
medium
Jurassic period of the mesozoic era is characterised by
A
flowering plants and first dinosaurs appear
B
gymnosperms are dominant plants and first birds appear
C
radiation of reptiles and origin of mammal like reptiles
D
dinosaurs become extinct and angiosperms appear.
(AIPMT-2006)
Solution
(b) : Jurassic period of mesozoic era is characterised by gymnosperms as dominant plant and the appearance of first toothed bird. Conifers, cycads and ferns were widespread.
Standard 12
Biology