This document contains question banks for an environmental science and engineering exam, divided into multiple parts and units. It includes questions about defining key terms, explaining concepts, and discussing topics in environmental science such as ecosystems, biodiversity, natural resources, pollution, social issues, and human population. Some example questions are about defining environmental science, explaining the biosphere, discussing different types of ecological pyramids, and explaining the causes and effects of global warming. The document aims to assess students' understanding of important environmental topics through various question formats.