Choosing active or passive voice according to purpose and emphasis — IITM BS previous year questions

Choosing active or passive voice according to purpose and emphasis is part of Active and Passive Voice, Week 3 in English 2. Prasnya files every IIT Madras BS previous year question from this subtopic here, each one with a worked explanation. Take the whole set as a timed mock and you get accuracy, pacing and per-question analysis back.