OPSC OCS 2019 · Question 94 of 99
General Studies
Silk is a natural protein fiber, some forms of which can be woven into textiles. The protein fiber of silk is composed mainly of fibroin and is produced by certain insect larvae to form cocoons.
Source: OPSC OCS Prelims 2019 GS Paper-I; answers per hemunda.com unofficial key
Practice the full OPSC OCS 2019 paper
Timed test with all 99 questions, just like the real exam.
Start test