Professional Communication MCQ Set 1 1. Which of this is not a punctuation mark? a) Full stop b) Comma c) Colon d) Hashtag AnswerAnswer: d [Reason:] The main punctuation marks are full stop, comma, colon, semicolon, question mark, exclamation mark, hypen, dash, brackets, apostrophe. 2. The full stop is used at the end of an…