The Bhatiyali forms an important genre of folk music. What kind of part of speech is 'the' here?

Dr. Muhammad Shahidullah had a great feel for language. Here ‘feel’ is a_______.

Babu is meritorious , here the word’meritorious’ is ____________.

The children were rushing about. The underlined word is used here as-

What is the adjective from of the noun 'act'?