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NCERT Solutions class 10 Science 15. Our Environment Chapter Review

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.

NCERT Solutions class 10 Science 15. Our Environment Chapter Review

NCERT Solutions class 10 Science 15. Our Environment Chapter Review

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.

10 Science Chapter 15. Our Environment - Chapter Review

Preparing for exams becomes easier with Chapter Review. 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.

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    15. Our Environment

    Chapter Review

    Chapter Review:

    • Substances that are broken down by the biological processes are said to be biodegradable.
    • Substances that are not broken down by biological processes are said to be non-biodegradable.
    • Ecosystem is a structural and functional unit of the biosphere consisting of a community of living beings and the physical environment; both interacting exchanging materials between them.
    • The abiotic component of an ecosystem is a community of Physical environment.
    • The biotic component of an ecosystem is a community of living organisms.
    • These are the organisms which are able to systhesise their food. They are mainly green plants.Therefore, all green plants are called producers. They are also called autotrophs.
    • They are organisms which consume other organisms or their products as their food. The consumers depend upon producers for their food directly or indirectly. They get their food either by eating other organisms or their products.
    • These are organisms (animals) which get their food by eating the
      producers (or plants) directly. Herbivores are also called first order
      consumers.
    • These are organisms (animals) which consume other animals.
      Therefore, carnivores feed on the flesh of harbivores. These are also called primary carnivores or second order consumers.
    • The organisms which feed on both plants and animals are called
      omnivores.
    • Which break down the complex organic compounds present in dead organisms like plants and their products into a simpler substance. These are called reducers.
    • The network of various food chains which are interconnected at various tropic levels is called food web.
    • One organism consumes another organism to transfer food energy is called a food chain. In a food chain, unidirectional transfer of energy takes place.
    • Energy is used and conveyed from one trophic level to another is a food chain. This is called flow of energy.
    • According to ten percent law only ten percent of the energy entering a particular trophic level is stored and the remaining is lost during energy transfer.
    • Chemicals like DDT are widely used to kill pests.
    Other Pages of this Chapter:

    Page 1 Chapter Review

    Page 2 Text-book Questions

    Page 3 Exercise

    Page 4 Additional Questions With Solutions

    Page 5 Additional Questions With Solutions

    📘 Why Chapter Review are Important?

    Chapter Review 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.

    ✍️ Quick Revising Points as Notes in Page-1

    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.

    📚 NCERT Exercise Solutions

    Every NCERT chapter ends with exercises, and solving them is crucial. Our Chapter Review 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.

    📝 Additional Important Questions & Answers

    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.

    🎯 Useful for Board & Mid-Term Exams

    Our Chapter Review 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.

    🌟 Final Words

    In short, Chapter Review 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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