How many states and Union Territories are there in India?

Which one of the following pairs is incorrectly matched?

St. Angelo Fort, built in 1505 by Sir Francisco de Almedia, the first Portuguese Viceroy of India, is situated near the sea coast of Kerala. Where is it located?

Name the district of Kerala sharing its border with both Karnataka and TamilNadu

Among the following four epithets which pair is incorrectly matched?

The largest animal ever to have lived on land were some groups of dinosaurs. When did they become extinct?