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Our ncert solutions for Solutions 15. Our Environment - Text-book Questions | Class 10 Science - Toppers Study is the best material for English Medium students cbse board and other state boards students.

Solutions ⇒ Class 10th ⇒ Science ⇒ 15. Our Environment

Solutions 15. Our Environment - Text-book Questions | Class 10 Science - Toppers Study

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Solutions 15. Our Environment - Text-book Questions | Class 10 Science - Toppers Study

CBSE board students who preparing for class 10 ncert solutions maths and Science solved exercise chapter 15. Our Environment available and this helps in upcoming exams 2022-2023.

You can Find Science solution Class 10 Chapter 15. Our Environment

  • All Chapter review quick revision notes for chapter 15. Our Environment Class 10
  • NCERT Solutions And Textual questions Answers
  • Extra NCERT Book questions Answers
  • Importatnt key points with additional Assignment and questions bank solved.

Chapter 15 Science class 10

Text-book Questions class 10 Science Chapter 15. Our Environment

15. Our Environment

| Text-book Questions |

Solutions 15. Our Environment - Text-book Questions | Class 10 Science - Toppers Study


Text-book Questions


Page no. 257 

Q1. Why are some substances biodegradable and some non-biodegradable?

Q2. Give any two ways in which biodegradable substances would affect the environment.

Q3. Give any two ways in which non-biodegradable substances would affect the environment.

Page no. 261

Q1. What are trophic levels? Give an example of a food chain and state the different trophic levels in it.

Q2. What is the role of decomposers in the ecosystem?

Page no. 264 

Q1. What is ozone and how does it affect any ecosystem?

Q2. How can you help in reducing the problem of waste disposal? Give any two methods.

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Solutions ⇒ Class 10th ⇒ Science
1. Chemical Reactions and Equations
2. Acids, Bases and Salts
3. Metals and Non-metals
4. Carbon and its Compounds
5. Periodic Classification of Elements
6. Life Processes
7. Control and Coordination
8. How do Organisms Reproduce
9. Heredity and Evolution
10. Light-Reflection and Refraction
11. Human Eye and Colourful World
12. Electricity
13. Magnetic Effects of Electric Current
14. Sources of Energy
15. Our Environment
16. Management of Natural Resources

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