Dinosaurs dominated the world in which of the following geological era?

Options

(a) Devonion
(b) Coenozoic
(c) Jurassic
(d) Mesozoic

Correct Answer:

Mesozoic

Explanation:

Dinosaurs dominated the world in mesozoic era. In Triassic period, giant reptiles (dinosaurs) emerged. In Jurassic period, dinosaurs diversified and abundant (golden age of dinosaurs) and in cretaceous period, mass extinction of dinosaurs occurred.