Frequently Asked Questions on CBSE Class 10 Science Notes Chapter 15: Our Environment What are the different types of landforms present in our environment ? Mountains, hills, plateaus and plains are the four major types of landforms which are majorly present in our environment .. What is 'Lithosphere'? The document provides information about ecosystems, their components, trophic levels in a food chain, and the ozone layer. 2. The main components of an ecosystem are biotic factors like plants and animals, and abiotic factors like air, water, and land. Producers, consumers, and decomposers all interact within an ecosystem. 3. Food web → In nature large numbers of food chains are interconnected forming a food web. • Environmental problems: Changes in the environment affect us and our activities change the environment around us. Human activities leads to pollution, deforestation etc. Get Notes , NCERT Questions, Extra Questions (with answers) of Chapter 15 Class 10 Science - Our Environment . We at Teachoo have solved the NCERT Back Questions, as well as the questions from inside the chapter and provided Revision Notes as well.
