OPSC OAS Environment & Ecology Solved Prelims PYQs, OPSC OAS Solved Prelims PYQsOn the Ozozne layer , the CFC has continuing their effects as September 25, 2026
OPSC OAS Environment & Ecology Solved Prelims PYQs, OPSC OAS Solved Prelims PYQsThe concept of Sustainable Development Goal is related to September 25, 2026
OPSC OAS Environment & Ecology Solved Prelims PYQs, OPSC OAS Solved Prelims PYQsWhich of the following cause is responsible for production of Radiocarbon in the atmosphere? September 25, 2026
OPSC OAS Environment & Ecology Solved Prelims PYQs, OPSC OAS Solved Prelims PYQsAccording to Shelford’s Law of Tolerance, the organisms wide environmental factor tolerance limit show September 25, 2026
OPSC OAS Environment & Ecology Solved Prelims PYQs, OPSC OAS Solved Prelims PYQsIn terms of efficiency, the most potent greenhouse gas is September 25, 2026
OPSC OAS Environment & Ecology Solved Prelims PYQs, OPSC OAS Solved Prelims PYQsWhich of the following are the key features of ‘National Ganga River Basin Authority (NGRBA)’? September 25, 2026
OPSC OAS Environment & Ecology Solved Prelims PYQs, OPSC OAS Solved Prelims PYQsWith reference to United Nation’s Sustainable Development Goals, which of the following is Goal 10? September 25, 2026
OPSC OAS Environment & Ecology Solved Prelims PYQs, OPSC OAS Solved Prelims PYQsCBD is expanded as – CBD – Convention on Biological Diversity September 25, 2026
OPSC OAS Environment & Ecology Solved Prelims PYQs, OPSC OAS Solved Prelims PYQsThe database generated by ENVIS is used for the management of September 25, 2026
OPSC OAS Environment & Ecology Solved Prelims PYQs, OPSC OAS Solved Prelims PYQsEx situ conservation includes – Ex situ conservation – botanical gardens September 25, 2026
OPSC OAS Environment & Ecology Solved Prelims PYQs, OPSC OAS Solved Prelims PYQsWhich of the following does not belong to natural air pollutant? September 25, 2026
OPSC OAS Environment & Ecology Solved Prelims PYQs, OPSC OAS Solved Prelims PYQsBiochemical oxygen demand of water is a measure of September 25, 2026
OPSC OAS Environment & Ecology Solved Prelims PYQs, OPSC OAS Solved Prelims PYQsThe succession where the community increases its diversity and complexity with time is called September 25, 2026
OPSC OAS Environment & Ecology Solved Prelims PYQs, OPSC OAS Solved Prelims PYQsDeforestation is not a direct cause of – Deforestation is not a direct cause of September 25, 2026
OPSC OAS Environment & Ecology Solved Prelims PYQs, OPSC OAS Solved Prelims PYQsThe first sustainable development goal aims to eradicate extreme poverty; how does the U. N. currently measure extreme poverty? September 25, 2026
OPSC OAS Environment & Ecology Solved Prelims PYQs, OPSC OAS Solved Prelims PYQsWhich of the following is expected to be a cause of the rise in sea level? September 25, 2026
OPSC OAS Environment & Ecology Solved Prelims PYQs, OPSC OAS Solved Prelims PYQsWhich of the following is a correct combination? September 25, 2026
OPSC OAS Environment & Ecology Solved Prelims PYQs, OPSC OAS Solved Prelims PYQsWhat was the theme of the World Sustainable Development Summit, 2020? September 25, 2026
OPSC OAS Environment & Ecology Solved Prelims PYQs, OPSC OAS Solved Prelims PYQsThe use of microorganisms to degrade the harmful hazardous pollutants in the environment is called September 25, 2026
OPSC OAS Environment & Ecology Solved Prelims PYQs, OPSC OAS Solved Prelims PYQsWhich is the Greenest State of India – Greenest state of India – Mizoram September 25, 2026