Select the option that can be used as a one-word substitute for the given group of words.
A book that contains information on various subjects

Correct option is A

The correct one-word substitution for the given group of words is Encyclopaedia.
Encyclopaedia: A book or set of books containing information on many subjects or one particular subject, arranged alphabetically. (Hindi: ज्ञानकोश)
Example: "I referred to an encyclopaedia to learn about ancient civilizations."
Meanings of the given other options:
· Manuscript: A handwritten or typed document before publication. (Hindi: पांडुलिपि)
· Thesaurus: A book listing synonyms and antonyms of words. (Hindi: समानार्थी शब्दकोश)
· Dictionary: A book that provides meanings, pronunciations, and usage of words. (Hindi: शब्दकोश)