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NCERT solutions for Science [English] Class 10 chapter 15 - Our Environment [2018 edition]

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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.


Intext Questions 1Intext Questions 2Intext Questions 3Exercises
Intext Questions 1 [Page 260]

NCERT solutions for Science [English] Class 10 15 Our Environment Intext Questions 1 [Page 260]

Intext Questions 1 | Q 1 | Page 260

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

Intext Questions 1 | Q 2 | Page 260

List two important roles play in the environment by decomposers.

Intext Questions 2 [Page 262]

NCERT solutions for Science [English] Class 10 15 Our Environment Intext Questions 2 [Page 262]

Intext Questions 2 | Q 1 | Page 262

Why are some substances biodegradable and some non-biodegradable?

Intext Questions 2 | Q 2 | Page 262

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

Intext Questions 2 | Q 3 | Page 262

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

Intext Questions 3 [Page 264]

NCERT solutions for Science [English] Class 10 15 Our Environment Intext Questions 3 [Page 264]

Intext Questions 3 | Q 1 | Page 264

How does ozone affect any ecosystem?

Intext Questions 3 | Q 2 | Page 264

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

Exercises [Pages 264 - 265]

NCERT solutions for Science [English] Class 10 15 Our Environment Exercises [Pages 264 - 265]

Exercises | Q 1 | Page 264

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

Exercises | Q 2 | Page 264

Which of the following constitute a food-chain?

  • Grass, wheat and mango

  • Grass, goat and human

  • Goat, cow and elephant

  • Grass, fish and goat

Exercises | Q 3 | Page 265

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

Exercises | Q 4 | Page 265

What will happen if we kill all the organisms in one trophic level?

Exercises | Q 5 | Page 265

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?

Exercises | Q 6.1 | Page 265

What is biological magnification?

Exercises | Q 6.2 | Page 265

Will the levels of biological magnification be different at different levels of the ecosystem?

Exercises | Q 7 | Page 265

What are the problems caused by the non-biodegradable wastes that we generate?

Exercises | Q 8 | Page 265

If all the waste we generate is biodegradable, will this have no impact on the environment?

Exercises | Q 9 | Page 265

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

Intext Questions 1Intext Questions 2Intext Questions 3Exercises

NCERT solutions for Science [English] Class 10 chapter 15 - Our Environment

Shaalaa.com has the CBSE, Karnataka Board Mathematics Science [English] Class 10 CBSE, Karnataka Board solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. NCERT solutions for Mathematics Science [English] Class 10 CBSE, Karnataka Board 15 (Our Environment) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.

Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. NCERT textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.

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.

Get the free view of Chapter 15, Our Environment Science [English] Class 10 additional questions for Mathematics Science [English] Class 10 CBSE, Karnataka Board, and you can use Shaalaa.com to keep it handy for your exam preparation.

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