SSC CGL (Prelims) General: Tenses questions with solutions

Q1. Fill in the blank with the correct tense: She ______ the presentation before the board arrived.

1. completes
2. has completed
3. completed
4. had completed

Answer: had completed

The action of completing the presentation happened before another past action, “the board arrived.” Past perfect tense is used for the earlier of two past actions.

Q2. Which of the following is the correct tense used in the sentence: "Disruption of this process through habitual short sleep has been tentatively linked to elevated long-term risk of cognitive decline."?

1. Simple Past
2. Present Perfect Passive
3. Future Continuous
4. Past Perfect Continuous

Answer: Present Perfect Passive

The structure 'has been linked' is the present perfect passive. It shows an action completed in the past with relevance to the present.