Which one of these was a flying dinosaur

Which one of the these was a flying dinosaur ?

A flying dinosaur was

Which one of the following diseases is spread by house fly?

Which one of the following periods is largely associated with extinction of dinosaurs and the increase in flowering plants and reptiles

Which one of the following periods is largely associated with extinction of dinosaurs and the increase in flowering plants and reptiles

Which one of the following periods is largely associated with extinction of dinosaurs and the increase in flowering plants and reptiles

Which one of the following periods is largely associated with extinction of dinosaurs and the increase in flowering plants and reptiles

In which of the following periods dinosaurs were maximum developed ?