Welcome to ATP Education
ATP Education
13. Our Environment Class 10 Science Solutions English Medium-Additional Questions With Solutions
13. Our Environment Class 10 Science Solutions English Medium-Additional Questions With Solutions Get chapter-wise detailed explanations, step-by-step answers, important questions and exam-ready study material in Hindi and English medium.
Topics Covered In This Article
13. Our Environment Class 10 Science Solutions English Medium-Additional Questions With Solutions, NCERT Solutions for CBSE Board Classes 6 to 12, ncert solutions for all classes, NCERT SOLUTIONS, online NCERT solutions, NCERT, ncert, ncert solutions, ncert solutions for board exams, ncert Maths solution, Mathematics, ncert science solutions, ncert English book solutions, ncert Hindi book solutions, ncert Social Science book solutions, ncert accounts book solutions, Computer Education, solved question answer for all exercise
13. Our Environment Class 10 Science Solutions English Medium-Additional Questions With Solutions
NCERT Solutions for Class 10 are specially prepared according to the latest CBSE syllabus (2026-27) to help students understand every concept clearly. These solutions provide step-by-step explanations, accurate answers, and exam-oriented guidance for all chapters. Class 10 students can improve their problem-solving skills, strengthen conceptual understanding, and prepare confidently for school as well as board examinations. All questions are solved in a simple and easy-to-understand language for both Hindi and English medium learners.
13. Our Environment Class 10 Science Solutions English Medium-Additional Questions With Solutions
NCERT Solutions Class 10 Science English Medium
13. Our Environment
Topic: Additional Questions With Solutions
Chapter 13: Our Environment
Extra Important Questions with Answers
Q1. What is meant by the environment?
Answer: The environment is the surroundings in which living organisms exist and interact with one another as well as with non-living components.
Q2. What are the two main components of the environment?
Answer: The two main components of the environment are biotic components (living organisms) and abiotic components (air, water, soil, sunlight, etc.).
Q3. Define an ecosystem.
Answer: An ecosystem is a functional unit of nature where living organisms interact with one another and with the physical environment.
Q4. What are biotic components?
Answer: Biotic components are the living organisms of an ecosystem, such as plants, animals, fungi, and microorganisms.
Q5. What are abiotic components?
Answer: Abiotic components are the non-living parts of an ecosystem, such as air, water, soil, temperature, and sunlight.
Q6. What are producers?
Answer: Producers are green plants and algae that prepare their own food by photosynthesis and form the first trophic level.
Q7. Who are consumers?
Answer: Consumers are organisms that depend directly or indirectly on producers for food.
Q8. What are decomposers?
Answer: Decomposers are microorganisms such as bacteria and fungi that break down dead plants and animals into simpler substances.
Q9. What is a food chain?
Answer: A food chain is a sequence of organisms in which each organism is eaten by the next higher organism.
Q10. What is a food web?
Answer: A food web is a network of interconnected food chains in an ecosystem.
Q11. What is a trophic level?
Answer: A trophic level is each step or feeding level in a food chain.
Q12. Which organisms occupy the first trophic level?
Answer: Producers occupy the first trophic level.
Q13. Why are decomposers important in an ecosystem?
Answer: Decomposers recycle nutrients by breaking down dead organic matter and returning minerals to the soil.
Q14. State the 10% law of energy transfer.
Answer: According to the 10% law, only about 10% of the energy at one trophic level is transferred to the next trophic level.
Q15. Why are food chains generally short?
Answer: Food chains are short because most of the energy is lost at each trophic level, leaving only about 10% for the next level.
Q16. What is biological magnification?
Answer: Biological magnification is the gradual increase in the concentration of harmful non-biodegradable substances at successive trophic levels of a food chain.
Q17. Name two non-biodegradable pollutants.
Answer: DDT and plastic are examples of non-biodegradable pollutants.
Q18. What are biodegradable substances?
Answer: Biodegradable substances are materials that can be broken down by microorganisms into simpler and harmless substances.
Q19. Give two examples of biodegradable waste.
Answer: Vegetable peels and paper are examples of biodegradable waste.
Q20. What are non-biodegradable substances?
Answer: Non-biodegradable substances are materials that cannot be decomposed by microorganisms.
Q21. Give two examples of non-biodegradable waste.
Answer: Plastic and glass are examples of non-biodegradable waste.
Q22. What is ozone?
Answer: Ozone is a molecule made up of three oxygen atoms (O₃) that forms a protective layer in the stratosphere.
Q23. Why is the ozone layer important?
Answer: The ozone layer protects living organisms by absorbing harmful ultraviolet (UV) rays from the Sun.
Q24. Which chemicals are mainly responsible for ozone depletion?
Answer: Chlorofluorocarbons (CFCs) are mainly responsible for ozone depletion.
Q25. What are the harmful effects of ozone layer depletion?
Answer: Ozone depletion increases UV radiation, leading to skin cancer, cataracts, weakened immunity, and damage to plants and marine life.
Q26. What is waste management?
Answer: Waste management is the proper collection, treatment, recycling, and disposal of waste to protect the environment.
Q27. What do the 3Rs stand for?
Answer: The 3Rs stand for Reduce, Reuse, and Recycle.
Q28. Why should plastics be used judiciously?
Answer: Plastics are non-biodegradable and accumulate in the environment, causing pollution and harm to living organisms.
Q29. How can we help conserve the environment?
Answer: We can conserve the environment by planting trees, reducing waste, recycling materials, conserving natural resources, and avoiding the excessive use of plastics.
Q30. Why is environmental conservation important?
Answer: Environmental conservation is important to maintain ecological balance, protect biodiversity, conserve natural resources, and ensure a healthy planet for future generations.
All Topics From 13. Our Environment
See other sub-topics of this chapter:
1. Chapter Review 2. Text-book Questions 3. TextBook Exercise 4. Additional Questions With Solutions 5. Long Additional Questions With SolutionsNCERT Solutions Class 10 Hindi and English Medium – Complete Study Material
NCERT Solutions Class 10 students ke liye specially CBSE latest syllabus (2026-27) ke according prepare kiye gaye hain. Yeh solutions Hindi aur English medium dono ke liye available hain, jisse har student apni language preference ke hisaab se padh sakta hai. Har chapter ke sabhi prashnon ke step-by-step answers diye gaye hain jo concept clarity aur exam preparation me madad karte hain.
Chapter-Wise Detailed Explanations
Class 10 ke liye diye gaye Chapter Wise NCERT Solutions me har question ka detailed aur easy explanation diya gaya hai. Chahe aap CBSE Board Exam Preparation kar rahe ho ya school test ke liye revise kar rahe ho, yeh solutions aapko complete understanding denge. Har answer simple language me likha gaya hai jisse students concepts ko easily grasp kar saken.
Hindi and English Medium Support
Students Hindi aur English medium dono me NCERT Book Solutions Class 10 access kar sakte hain. Yeh dual language support un students ke liye helpful hai jo apni regional language me better samajhna chahte hain. Sabhi answers CBSE Latest Syllabus 2026-27 ke anusaar update kiye gaye hain.
Important Features of NCERT Solutions
- Class 10 NCERT Solutions PDF
- CBSE Class 10 Study Material
- NCERT Book Questions and Answers
- Exam Oriented Important Questions
- Step-by-Step Detailed Solutions
- Concept Clarity and Revision Notes
Why Students Should Use NCERT Solutions?
Aaj ke competitive environment me sirf textbook padhna kaafi nahi hota. NCERT Solutions for Class 10 students ko practice aur conceptual understanding dono provide karte hain. Yeh solutions unhe exam pattern samajhne, frequently asked questions practice karne aur high score achieve karne me madad karte hain. Regular practice se students apne weak topics ko improve kar sakte hain.
Best Resource for Exam Preparation
Agar aap Class 10 CBSE Preparation ke liye ek trusted aur reliable source dhundh rahe hain, to yeh NCERT Solutions perfect choice hain. Yeh study material school exams, unit tests, half-yearly aur annual exams ke liye equally useful hai. Har chapter ke answers accurate, verified aur student-friendly format me diye gaye hain.
Isliye agar aap NCERT Solutions Class 10 Hindi and English Medium search kar rahe hain, to yahan aapko complete chapter-wise solutions milenge jo aapki academic journey ko strong aur confident banayenge.