NCERT Exemplar Solution for Class 9 Science Chapter-14 Natural Resources
Natural resources are the foundation of life on Earth because every living organism depends on them for survival. The chapter Natural Resources explains how air, water, soil, sunlight, and living organisms together maintain balance in the environment. It helps students understand the importance of conserving these resources and using them wisely for future generations. The NCERT Exemplar Solution for Class 9 Science provides a deeper understanding of environmental concepts through practical and analytical questions. By studying the NCERT Exemplar Solution, students learn about ecosystems, the atmosphere, water cycle, and environmental balance in a simple and meaningful way that connects directly with daily life experiences.
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Key Topics Covered in Natural Resources
This chapter introduces students to the natural systems that support life on Earth. It explains how different components of nature interact with one another to create a stable environment.
Important topics included in the chapter are:
- Components of natural resources
- Role of air in sustaining life
- Importance of water for living organisms
- Atmosphere and its layers
- Oxygen and carbon dioxide cycles
- Water cycle in nature
- Greenhouse effect
- Ozone layer and its importance
- Soil and its role in agriculture
- Balance in ecosystems
The NCERT Exemplar Solution for Class 9 Science helps students understand these topics through concept-based questions and scientific explanations.
Atmosphere and Its Importance
The atmosphere acts like a protective blanket around the Earth. It contains gases that are essential for life and helps maintain a suitable temperature for living organisms.
The chapter explains the major functions of the atmosphere:
- Provides oxygen for respiration
- Supplies carbon dioxide for photosynthesis
- Protects Earth from harmful solar radiation
- Maintains temperature balance
- Supports the water cycle
Students also learn about the greenhouse effect and how excessive pollution can disturb environmental balance. The ozone layer is another major topic discussed in this chapter. It protects living organisms from harmful ultraviolet rays emitted by the Sun.
Through the NCERT Exemplar Solution, students can practice important questions related to atmospheric changes, pollution, and environmental conservation.
Water, Soil, and Life Processes
Water is one of the most valuable natural resources because all living organisms need it for survival. The chapter describes the water cycle and explains how evaporation, condensation, and rainfall help maintain the supply of fresh water on Earth.
Important concepts related to water include:
- Importance of water in life processes
- Water cycle and rainfall
- Groundwater and surface water
- Conservation of water resources
The role of soil is also discussed in detail. Soil supports plant growth by supplying nutrients and water. Different organisms such as earthworms and microorganisms improve soil fertility and maintain ecological balance.
The chapter further explains the interaction between living organisms and the environment. Plants, animals, and microorganisms depend on each other directly or indirectly for food, shelter, and survival.
Importance of Conserving Natural Resources
The chapter encourages students to understand the need for protecting natural resources. Human activities like deforestation, pollution, and overuse of resources can disturb ecological balance and create environmental problems.
Ways to conserve natural resources include:
- Reducing pollution
- Planting more trees
- Saving water and electricity
- Recycling waste materials
- Using renewable energy sources
- Protecting forests and wildlife
The NCERT Exemplar Solution for Class 9 Science helps students develop awareness about environmental conservation while improving their scientific understanding.
FAQs for NCERT Exemplar Solution for Class 9 Science Chapter 14 Natural Resources
The chapter is important because it teaches students about the natural systems that support life on Earth. Students learn about air, water, soil, atmosphere, and environmental balance. It also explains how human activities affect nature and why conservation is necessary for sustainable development. Understanding these concepts helps students become environmentally aware and responsible citizens. The chapter also builds a strong foundation for higher-level environmental science topics. Practicing the NCERT Exemplar Solution for Class 9 Science improves conceptual clarity and helps students answer application-based questions effectively in examinations and daily life situations.
The NCERT Exemplar Solution improves understanding by offering detailed answers to conceptual and analytical questions from the chapter. These questions help students think scientifically and apply theoretical knowledge to practical situations. The solutions explain important environmental concepts such as the water cycle, greenhouse effect, ozone layer, and ecosystem balance in a simple manner. Regular practice also strengthens problem-solving and reasoning abilities. Students can revise important points quickly and gain confidence before exams. The exemplar questions are especially useful for improving scientific thinking and preparing for school-level assessments and competitive examinations in the future.