Evolution Ques 23
23. Jurassic period of the mesozoic era was characterised by
[2006]
(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
Show Answer
Answer : d
Hints & Solution
(d) Jurassic period of meoszoic era was about 19-20 crore years ago & lasted for about 5.56 crore years. The climate was hot and damp. It is called the age of dinosaurs. Ist primitive bird Archaeopteryx evolved from reptiles. Ist angiosperm appeared as a dicotyledon but gymnosperms were dominant.
BETA
