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Chapters
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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Solutions for Chapter 15: Our Environment
Below listed, you can find solutions for Chapter 15 of CBSE, Karnataka Board NCERT for Science [English] Class 10.
NCERT solutions for Science [English] Class 10 15 Our Environment Intext Questions 1 [Page 260]
What are trophic levels? Give an example of a food chain and state the different trophic levels in it.
List two important roles play in the environment by decomposers.
NCERT solutions for Science [English] Class 10 15 Our Environment Intext Questions 2 [Page 262]
Why are some substances biodegradable and some non-biodegradable?
Give any two ways in which biodegradable substances would affect the environment.
Give any two ways in which non-biodegradable substances would affect the environment.
NCERT solutions for Science [English] Class 10 15 Our Environment Intext Questions 3 [Page 264]
How does ozone affect any ecosystem?
How can you help in reducing the problem of waste disposal? Give any two methods.
NCERT solutions for Science [English] Class 10 15 Our Environment Exercises [Pages 264 - 265]
Which of the following groups contain only biodegradable items?
Grass, flowers and leather
Grass, wood and plastic
Fruit-peels, cake and lime-juice
Cake, wood and grass
Which of the following constitute a food-chain?
Grass, wheat and mango
Grass, goat and human
Goat, cow and elephant
Grass, fish and goat
Which of the following are environment-friendly practices?
Carrying cloth-bags to put purchases in while shopping
Switching off unnecessary lights and fans
Walking to school instead of getting your mother to drop you on her scooter
All of the above
What will happen if we kill all the organisms in one trophic level?
Will the impact of removing all the organisms in a trophic level be different for different trophic levels? Can the organisms of any trophic level be removed without causing any damage to the ecosystem?
What is biological magnification?
Will the levels of biological magnification be different at different levels of the ecosystem?
What are the problems caused by the non-biodegradable wastes that we generate?
If all the waste we generate is biodegradable, will this have no impact on the environment?
Why is damage to the ozone layer a cause for concern? What steps are being taken to limit this damage?
Solutions for 15: Our Environment
NCERT solutions for Science [English] Class 10 chapter 15 - Our Environment
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Concepts covered in Science [English] Class 10 chapter 15 Our Environment are Waste and Its Categories, Food Chain, Ozone Layer Depletion, Wastes Generated in Our Environment, Waste Separation Exercise, Solid Waste Management, Structure and Function of an Ecosystem, Classification of Animal, Trophic Level, Food Web, Concept of Energy Flow in an Ecosystem, Waste and Its Categories, Food Chain, Ozone Layer Depletion, Wastes Generated in Our Environment, Waste Separation Exercise, Solid Waste Management, Structure and Function of an Ecosystem, Classification of Animal, Trophic Level, Food Web, Concept of Energy Flow in an Ecosystem, Waste and Its Categories, Food Chain, Ozone Layer Depletion, Wastes Generated in Our Environment, Waste Separation Exercise, Solid Waste Management, Structure and Function of an Ecosystem, Classification of Animal, Trophic Level, Food Web, Concept of Energy Flow in an Ecosystem.
Using NCERT Science [English] Class 10 solutions Our Environment exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in NCERT Solutions are essential questions that can be asked in the final exam. Maximum CBSE, Karnataka Board Science [English] Class 10 students prefer NCERT Textbook Solutions to score more in exams.
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