Topic: Miscellaneous (Others Question of English Grammer),

Best Answer Explained in Below-:

The question asks which option is **not** a grammatical unit, and the correct answer is **C) Paragraph**. To understand why this is the case, we need to explore what comprises grammatical units.

A **clause** is a group of words that contain a subject and a predicate, making it a fundamental component of sentence structure. A **morpheme** is the smallest grammatical unit in a language, which can be a word or part of a word (like prefixes and suffixes) that carries meaning. A **phrase** is a group of words that work together as a single grammatical unit but does not include both a subject and a verb that can stand alone.

In contrast, a **paragraph** is a larger organizational unit that consists of multiple sentences. While paragraphs are essential for structuring written language, they do not operate at the level of grammar like the other options. Instead, paragraphs are used to group together ideas and cohesively present them within a text. Thus, since clauses, morphemes, and phrases are all directly related to grammar—defining the structure and meaning of sentences—whereas a paragraph comprises several sentences, it stands apart as not being a grammatical unit.