In the given question, a word has been given and there are three ways in which the word has been used, in similar or different forms. You need to see which of the sentences has/have correctly used the highlighted word, and mark that as your answer. Realm
I. The protection against the incoming waves in the realm is gradually weakening and if not addressed in time, waters may enter the land.
II. The realms one can explore all through his life are vast and most of the time, we are contended with our existing zone and not stretching beyond the limits.
III. The realms that are arranged for the shooting of the advertisement are left out while starting from our office.

1.       (e) The word 'realm' means 'a kingdom'; 'a field or domain of activity or interest'. In sentence I, the word 'realm' is used for describing a kingdom that is located nearby a water body and it is also grammatically correct in its usage. In sentence II, the word 'realms' is used to describe the different scopes and activities one can enjoy or come across in one's life. The use of the word is contextually and grammatically correct. In sentence III, the word 'realms' is used to describe a thing that is used to record events. Its use is contextually incorrect and the appropriate word to be used in this sentence is 'reels' (a cylinder on which film, wire, thread, or other flexible materials can be wound). Hence, the correct answer is option (e).