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15. Our Environment-Exercise Science Class 10 In English
Last Updated : 06 March 2026
Explore science Solutions for Class 10 Chapter 15. Our Environment Topic Exercise in English medium.
15. Our Environment-Exercise Science Class 10 In English
Last Updated : 06 March 2026
15. Our Environment-Exercise Science Class 10 In English
15. Our Environment
Exercise
NCERT Solutions Exercise
Q1. Which of the following groups contain only biodegradable items? (a) Grass, flowers and leather
(b) Grass, wood and plastic
(c) Fruit-peels, cake and lime-juice
(d) Cake, wood and grass
Ans. Grass, wood and plastic.
Q2. Which of the following constitute a food-chain?
(a) Grass, wheat and mango
(b) Grass, goat and human
(c) Goat, cow and elephant
(d) Grass, fish and goat
Ans. Grass, goat and human.
Q3. Which of the following are environment-friendly practices?
(a) Carrying cloth-bags to put purchases in while shopping.
(b) Switching off unnecessary lights and fans.
(c) Walking to school instead of getting your mother to drop you on her scooter.
(d) All of the above.
Ans. All of the above.
Q4. What will happen if we kill all the organisms in one trophic level?
Ans. If we kill all the organisms in one trophic level the transfer of food energy tothe next trophic level will stop this will cause a break in the food chain resulting in esosystem imbalance.
Q5. 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?
Ans. Yes, the impact of removing all the arganisms in a trophic level be different for different trophic levels. If all the produced are killed. If will cause death or migration of the primary consumers in the ecosystem.
Q6. What is biological magnification? Will the levels of this magnification be different at different levels of the ecosystem?
Ans. Progressive increase in the concentration of non-biodegradable substance in a food chain is called biological magnification. The level of these harmful substence will go on increasing food onne trophic level.
Q7. What are the problems caused by the non-biodegradable wastes that we generate?
Ans: The non-biodegradable waste produced by us pollutes the environment. They do not decompose. Hence the problem of on-key disposal also comes. This creates many problems.
(i) Decrease the members of the ecosystem.
(ii) increase the biomagnification by creating it.
(iii) Water, land and air pollute.
Q8. If all the waste we generate is biodegradable, will this have no impact on the environment?
Ans: Biodegradable waste pollutes the environment only for a limited period of time. After this, it gets destroyed when it is destroyed and is also useful in recycling. After their decomposition, odor and toxic gases are generated in the atmosphere.
Q9. Why is damage to the ozone layer a cause for concern? What steps are being taken to limit this damage?
Ans: The ozone layer O3 protects us from the harmful ultraviolet radiations of the sun. Due to its damage, it causes skin diseases and skin cancer by reaching the radiations to the earth. So this is a matter of concern for us. Chlorofluorocarbons, which are used in refrigerators and fire extinguishers, are damaging ozone. To limit this damage, we should minimize the use of chlorofluorocarbons and chemical substances.
Why Our NCERT Solutions Is Matters For Your Study?
NCERT Solutions are one of the most trusted study resources for students preparing for school exams and board examinations. These solutions help students understand every concept clearly and improve their academic performance. In today’s competitive education system, simply reading the textbook is not enough. Students need proper explanations and accurate answers to understand topics in depth. That is why NCERT Solutions for Classes 6 to 12 are considered essential for effective learning and exam preparation.
On this page, students can find latest NCERT Solutions prepared according to the current CBSE syllabus. These solutions are created by subject experts to help students understand every question in a simple and easy way. With the help of chapter-wise NCERT answers, students can quickly revise important topics and strengthen their concepts. Whether you are preparing for school tests, annual exams, or board exams, these NCERT textbook solutions will guide you step by step.
NCERT Solutions for Class 10 science Chapter 15. Our Environment Topic Exercise
NCERT Solutions for Class 10 science Chapter 15. Our Environment Topic Exercise are prepared to help students understand important concepts of the chapter in a simple and clear manner. These solutions are based on the latest CBSE syllabus and follow the official NCERT textbooks. Students who are searching for accurate answers and step-by-step explanations can use these solutions to improve their learning and prepare better for school exams as well as board examinations.
In this section you will find Class 10 science NCERT Solutions covering important questions, explanations and concept-based answers. Each question from the NCERT book is solved carefully so that students can understand how to write answers correctly in examinations. These solutions are also useful for quick revision before tests and assignments.
Why NCERT Solutions Are Important for Class 10 science
NCERT books are considered the most reliable study material for CBSE students. Most examination questions are directly based on NCERT textbooks. Therefore studying NCERT Solutions for Class 10 science helps students understand the exact pattern of questions and the correct method of answering them.
By practicing the questions from Chapter 15. Our Environment, students can strengthen their conceptual knowledge and improve their analytical thinking skills. These solutions also help students identify the most important topics and prepare effectively for school examinations.
About Chapter 15. Our Environment of Class 10 science
Chapter 15. Our Environment is an important part of the Class 10 science syllabus. This chapter explains several key concepts which are essential for understanding the subject in detail. Students often face difficulties while solving textbook questions related to this chapter. That is why NCERT Solutions for Chapter 15. Our Environment are provided to explain every concept in a simple and structured way.
The explanations provided here follow the official NCERT approach so that students can easily relate them to their textbook content. By studying these answers carefully, students can learn how to structure their answers and present them clearly in exams.
Understanding Topic: Exercise
The topic Exercise plays a significant role in Class 10 science Chapter 15. Our Environment. Students must understand this topic clearly because it often appears in examinations in the form of short answer or long answer questions. The solutions provided here explain the topic in a step-by-step format so that students can easily grasp the concept.
By studying Exercise carefully, students can build a strong foundation in the subject and improve their overall academic performance. These solutions also help students revise the topic quickly before examinations.
Benefits of Using NCERT Solutions
- Concept clarity: Each answer explains the concept in simple language.
- Exam preparation: Solutions follow the CBSE exam pattern.
- Quick revision: Students can revise important questions quickly.
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- Better understanding: Step-by-step explanations improve learning.
Students studying NCERT Solutions for Class 10 science Chapter 15. Our Environment can easily understand the important points of the chapter. These solutions are also useful for completing homework assignments and preparing for tests.
Study NCERT Solutions in english
These solutions are available in english medium so that students can easily understand the concepts in their preferred language. Whether students are studying in Hindi medium or English medium, these solutions help them learn the subject more effectively and prepare confidently for examinations.
By practicing questions from Class 10 science Chapter 15. Our Environment Topic Exercise, students can strengthen their conceptual understanding and improve their problem-solving skills.
Conclusion
In conclusion, NCERT Solutions for Class 10 science Chapter 15. Our Environment Topic Exercise provide complete guidance for students who want to understand the chapter thoroughly. These solutions make learning easier, help students revise important concepts and improve their exam performance. Students should practice these answers regularly to build strong fundamentals and achieve better results in their examinations.
15. Our Environment-Exercise Science Class 10 In English
Hindi Medium Students/Teachers/Tutors:
All Chapters science Class 10
Class Wise NCERT Solutions
Students can find NCERT Solutions for Class 6, Class 7, Class 8, Class 9, Class 10, Class 11, and Class 12 on this page. Each class includes detailed solutions for important subjects such as Science, Mathematics, Social Science, English, and Hindi. These solutions are carefully prepared to ensure accuracy and clarity.
- NCERT Solutions for Classes 6 to 8 – Ideal for building strong basic concepts.
- NCERT Solutions for Classes 9 and 10 – Helpful for board exam preparation.
- NCERT Solutions for Classes 11 and 12 – Important for advanced concepts and competitive exams.
15. Our Environment-Exercise Science Class 10 In English Study Materials For Class 6 to 12
Benefits of Studying with NCERT Solutions
Using online NCERT Solutions makes learning easier and more convenient. Students can access the study material anytime and anywhere using their mobile phone, tablet, or computer. This flexibility helps students manage their study time more efficiently and prepare better for exams.
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Improve Your Learning with NCERT Solutions
Regular practice with NCERT textbook solutions helps students strengthen their understanding of each subject. These solutions not only help students complete their homework but also improve their analytical and problem-solving skills. By studying chapter-wise answers, students can learn the correct way to write answers in exams and score better marks.
If you want to improve your academic performance, start studying with free NCERT Solutions for all classes. These solutions are designed to make learning simple, clear, and effective for every student. Choose your class, explore the chapters, and begin your preparation with the latest NCERT Solutions today.