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Chapter 15 Class 10 - Our Environment

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.


This chapter comes under Class 10 Biology.


The chapter's name is - Environment.

But, what does environment mean?

The Environment includes our physical surroundings like air, water, soil and all the living organisms around us - like animal, human beings, microorganisms like bacteria, fungi.


In this chapter, we will learn

  • What is an Ecosystem
  • Types of Ecosystem - Natural and Man-made, and their examples
  • What are the Functions of an Ecosystem
  • What are the Components of Ecosystem
  • What are Producers, Consumers and Decomposers
  • Different types of Consumers - Herbivores, Carnivores, Omnivores
  • What are Food Chains, with Examples
  • What are Food Webs
  • Difference between Food Chain and Food Web
  • What is the meaning of Trophic Level
  • What are Autotrophs and Heterotrophs
  • Difference between Autotrophs and Heterotrophs
  • How does Flow of Energy take place in a Trophic Level
  • Why is so much energy lost when going from one trophic level to another?
  • What is Biological Magnification?
  • What is Ozone?
  • How is Ozone formed?
  • How is Ozone Layer depleted?
  • How can we segregate Waste
  • How can we manage waste properly


Click on the Concept to start the chapter.


Note: When you click on any link, the first question will open. To open other questions, go to the bottom. There is a list with arrows at the bottom. It has all the questions