The question below has one blank, which is indicating that something has been omitted. Find out which option can be used to fill up the blank to make it meaningfully complete.
The safety protocol will ________ that all equipment is tested daily.

Correct option is D

The correct option to fill in the blank is (d) ensure.
Ensure means to make certain or guarantee that something happens, which fits a protocol making daily tests mandatory. (Hindi: निश्चित करना/सुनिश्चित करना).
Example: The new checklist ensures that every tool is inspected before use.
Explain why other options are incorrect.
· endure: to suffer/tolerate (Hindi: सहना/झेलना); wrong meaning.
· aspire: to aim/hope (Hindi: आकांक्षा करना); not about guaranteeing an action.
· insure: to provide insurance (Hindi: बीमा करना); different usage from ensure.
· staunch: to stop the flow (verb) or firm/loyal (adj.) (Hindi: रोकना/दृढ़); not about making something certain.