A) Radiation of reptiles and origin of mammal- like reptiles
B) Dinosaurs become extinct and angiosperms appeared
C) Flowering plants and first dinosaurs appeared
D) Gymnosperms were dominant plants and first birds appeared
Correct Answer: D
Solution :
[d] Jurassic period of meoszoic era was about 19-20 crore years ago & lasted for about 5.5-6 crore years. The climate was hot and damp. It is called the age of dinosaurs. 1st primitive bird Archaeopteryx evolved from reptiles. 1st angiosperm appeared as a dicotyledon but gymnosperms were dominant.
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