State PCS 2025 Q21 — General Studies PYQ with Answer
2025Q21·General Studies·GS-I
Match the items given in Column-I and Column-II: Column-I A. Biomagnification B. Electro-precipitation C. Landfills D. Stratosphere Column-II 1. Synthesis of ozone 2. Solid waste 3. Concentration build-up at successive trophic levels 4. Particulate matter Codes:
