The dialect is the composition of a language proper to a region or territory and is related to the linguistic variations found in the speech of certain social groups. In this case, the word "dialect" is the most appropriate to fill in the blank in the questionnaire. This is because "Plants: cells" means that plants are composed of cells, so "language: dialects" means that language is composed of dialects.
Paraphrase means when we restate some text, passage or work. The vitality of paraphrasing is that the writer should keep the meaning or content of the restated words intact.
Paraphrase is used when using generally accepted information.