he following is popularly known as the age of dinosaurs: paleozoic mesozoic coenozoic none of the options

The correct answer to the question is "Mesozoic."

Explanation

1. The Mesozoic Era is known as the "Age of Dinosaurs" because it is the time period when dinosaurs were the dominant terrestrial vertebrates. This era lasted from approximately 252 to 66 million years ago and is divided into three periods: the Triassic, Jurassic, and Cretaceous.

2. The Paleozoic Era, preceding the Mesozoic, is known for the development of early life forms and significant evolutionary advancements, including the emergence of fish, amphibians, and reptiles, but not dinosaurs.

3. The Cenozoic Era follows the Mesozoic and is characterized by the rise of mammals and birds after the mass extinction that wiped out the dinosaurs.

Conclusion

Therefore, the era that is popularly known as the age of dinosaurs is the Mesozoic Era.