yes
Studying
The word "hydrobiological" is an adjective. It describes something related to the study of aquatic life in freshwater environments.
The word aesthetic is an adjective. It is also a noun in the case of the study of beauty.
No the word study can be a verb and a noun.
The word elective is a noun form, a word for an optional course of study. The noun forms for the adjective elective are electiveness and electivity.
The word 'scholarly' is the adjective form for the noun scholar.The noun form for the adjective scholarly is scholarliness.
No. Necessary is an adjective. It cannot be a preposition.
No the word pragmatic is not a noun. It is an adjective. The noun form is pragmatics which is the study of language in a social context.
It is an adjective.It is a an adjective.
A word is a thing. The word 'word' is a noun.
The word beautiful is an adjective.
no it is not an adjective