Toppers Study Toppers Study Toppers StudyGet complete NCERT Solutions for 10 Science 15. Our Environment with detailed explanations. Easy-to-understand answers to help students study effectively and score better.
Get complete NCERT Solutions for 10 Science 15. Our Environment with detailed explanations. Easy-to-understand answers to help students study effectively and score better.
Preparing for exams becomes easier with Exercise. Whether you are studying for board exams or mid-term exams, 10 Science Chapter 15. Our Environment solutions provide quick revising points, well-structured answers, and additional practice material to help you score better.
ncert_solutionsNCERT 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?
Q8. If all the waste we generate is biodegradable, will this have no impact on the environment?
Q9. Why is damage to the ozone layer a cause for concern? What steps are being taken to limit this damage?
Exercise are created by experts to give step-by-step explanations. Around 60–70% of exam questions are based on NCERT concepts. Our 10 Science Chapter 15. Our Environment solutions help you understand the core concepts and practice effectively.
Revision is the key to exam success. Our notes for 10 Science highlight important formulas, key definitions, and exam-ready points from Chapter 15. Our Environment. These quick revision notes make last-minute preparation easy.
Every NCERT chapter ends with exercises, and solving them is crucial. Our Exercise include complete solutions for 10 Science Chapter 15. Our Environment exercises. With step-by-step answers, you gain clarity and confidence to attempt similar exam questions.
To boost your preparation, we also provide additional important questions with answers. These are prepared from previous year board papers, sample papers, and important concepts of Chapter 15. Our Environment. Practicing these ensures you are well-prepared for both board and mid-term exams.
Our Exercise are useful for both board exams and mid-term exams. For 10 Science, we provide notes, exercises, and important Q&A so that you can revise smartly and write perfect answers in exams.
In short, Exercise for 10 Science Chapter 15. Our Environment are a complete study package. With quick revising points, NCERT exercises, and additional important questions, you can prepare effectively for exams. Make these solutions your study companion and excel in your academic journey.
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