Select the option that can be used as a one-word substitute for the underlined groupof words.

The person supervising during the examination was very strict.

Correct option is C

The correct one-word for the given group of words is invigilator.

An invigilator is a person who supervises students during an examination, ensuring that the test is conducted fairly and without cheating.

Correct word: Invigilator – परीक्षा में निगरानी रखने वाला व्यक्ति

Use in a sentence: The invigilator walked around the classroom throughout the test.

Meanings of the other given options:

• Administrator:प्रशासक – A person responsible for running an organization.
• Attendant:सेवक / सहाय्यक – A person who provides a service or assistance.
• Attorney:वकील – A person appointed to act for another in legal matters.