NCERT Solutions for Class 8 Geography Chapter 2 Land, Soil, Water

Mastering Social Science requires a deep understanding of the environment and the resources that sustain life on Earth. In Class 8 Geography Chapter 2, titled "Land, Soil, Water, Natural Vegetation, and Wildlife Resources," students explore the critical components of our planet's physical environment. This chapter is pivotal for exams, and having access to accurate extra class 8 geography chapter 2 question answer is essential for scoring well.

Understanding the Core Resources

Before diving into the class 8 geography chapter 2 question answer pdf, let’s summarize the five vital resources discussed in this chapter:

• Land: Covering only 30% of the Earth's surface, land is the most basic resource. Its usage depends on physical factors like topography and human factors like population.

• Soil: The thin layer of grainy substance covering the Earth.2 It takes hundreds of years to make just one centimeter of soil.

• Water: A vital renewable natural resource. While 3/4th of the Earth is water, only 2.7% is freshwater.

• Natural Vegetation and Wildlife: These exist only in the narrow zone of contact between the lithosphere, hydrosphere, and atmosphere, called the Biosphere.

Land and Soil Resources: Key Concepts

Land is unevenly inhabited across the globe due to varied characteristics of land and climate. Rugged topography, steep slopes, and water-logged areas are sparsely populated, while plains and river valleys are densely populated.

Land Conservation

The growing population has led to large-scale destruction of forest cover. Common methods to conserve land include:

1. Afforestation

2. Land reclamation

3. Regulated use of chemical pesticides

4. Checks on overgrazing

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Soil Formation and Degradation

Soil is made up of organic matter, minerals, and weathered rocks. Soil erosion and depletion are the major threats. To combat this, we use techniques like:

• Mulching: Covering bare ground with organic matter.

• Contour Barriers: Using stones or grass to build barriers along contours.

• Terrace Farming: Making flat steps on steep slopes.

• Intercropping: Growing different crops in alternate rows.

Water Resources: Challenges and Solutions

Water scarcity is a global problem. Even though it is renewable, over-usage and pollution make it unfit for use.

Conservation of Water

To conserve this "Blue Gold," we must:

• Treat effluents before releasing them into water bodies.

• Adopt Rainwater Harvesting.

• Use efficient irrigation methods like Drip or Trickle irrigation in dry regions.

Class 8 Geography Chapter 2 Question Answers (NCERT Solutions)

Here are the most important class 8 geography chapter 2 question answers that frequently appear in school examinations.

Q1. Which are the two main climatic factors responsible for soil formation?

Answer: Temperature and rainfall are the two main climatic factors. Rainfall influences the rate of weathering and humus formation, while temperature affects the rate of decomposition of organic matter.

Q2. Write any two reasons for land degradation today.

Answer: 1. Deforestation and overgrazing.

2. Overuse of chemical fertilizers and pesticides in farming.

Q3. Why is land considered an important resource?

Answer: Land is considered important because it provides the base for agriculture, forestry, mining, building houses, roads, and setting up industries. It supports all forms of terrestrial life.

Q4. Suggest three ways to conserve water.

Answer: 1. Rainwater Harvesting: Collecting rainwater to recharge groundwater.

2. Afforestation: Planting trees to slow down surface runoff.

3. Improved Irrigation: Using sprinklers and drip irrigation to minimize water wastage.

Natural Vegetation and Wildlife

Wildlife includes animals, birds, insects, and aquatic life. They provide us with milk, meat, wool, and honey. Bees act as pollinators and birds act as decomposers, maintaining the balance in the ecosystem.

Conservation of Vegetation and Wildlife

Changes in climate and human interference have caused the loss of natural habitats for many plants and animals.

• National Parks and Sanctuaries: Established to protect our natural vegetation and wildlife.

• CITES: An international agreement between governments to ensure that international trade in specimens of wild animals and plants does not threaten their survival.

• Awareness Programs: Social forestry and Vanamahotsava are encouraged at the community level.

Comparative Table: Soil Conservation Methods

Tips for Scoring High in Class 8 Geography

1. Draw Diagrams: Always draw the soil profile or a rainwater harvesting plant when answering long questions.

2. Use Keywords: In Social Science, keywords like "Humus," "Weathering," "Biosphere," and "Tessellation" carry more marks.

3. Practice Map Work: Identify major areas of soil types or wildlife sanctuaries mentioned in the chapter.

4. Refer to Solutions: Regularly check class 8 geography chapter 2 question answers from reliable sources like NCERT to match your answers with standard formats.

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