UPSC Essentials  brings to you its initiative for the practice of  Mains answer writing . It covers the essential topics of static and dynamic parts of the UPSC Civil Services syllabus covered under various GS papers. This answer-writing practice is designed to help you as a value addition to your UPSC CSE Mains. Attempt today’s answer writing on questions related to topics of  GS-1  to check your progress. Gear up for UPSC Prelims 2026—Practice smarter, revise faster, and succeed with our  Special Quiz Magazine . ( Click Here ) Discuss the major factors responsible for the disappearance of lakes and examine their implications for urban ecology, livelihoods and water security. QUESTION 2 Discuss how the Revolt of 1857 reflected the collective grievances of different sections of Indian society against colonial rule, rather than remaining merely a military rebellion.…