World Geography Some Glimpses - NCERT Solutions Class 8 Social Science (New)

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World Geography Some Glimpses – NCERT Solutions Class 8 Social Science (New) Understanding Society includes all the questions with solutions given in the NCERT Class 8 Social Science Book Understanding Society textbook.

NCERT Solutions Class 8

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World Geography Some Glimpses – NCERT Solutions

Q.1: What are the unique physical features of the continents?

Solution:

Each of Earth’s seven continents features distinct landforms, led by Asia’s towering peaks, Africa’s vast deserts, and Antarctica’s massive ice sheets.

Q.2: Why do we need to understand world geography?

Solution:

Understanding world geography helps us make sense of global news, international trade, and cultural differences.

Global Connections and Economy

Trade routes: Explains how goods move between countries and why shipping delays affect local prices.
Resource distribution: Shows where vital materials like oil, water, and food come from and why they matter.

Environment and Society

Climate impact: Helps track natural disasters, weather patterns, and long-term changes to the earth.
Cultural awareness: Builds respect for diverse traditions, languages, and lifestyles around the globe.

Q.3: Why do all map projections have some amount of distortion?

Solution:

Every map has some distortion because it is impossible to perfectly represent the curved surface of the Earth on a flat plane. The Earth is a three-dimensional sphere (more precisely, an oblate spheroid), and when we try to project this curved surface onto a two-dimensional map, certain properties must be altered or distorted.

Q.4: What makes the Tibetan Plateau unique?

Solution:

The Tibetan Plateau is unique because it is the world’s highest and largest plateau, functions as the “Third Pole” of freshwater ice, and powerfully drives Asian weather and monsoons.

Q.5: Why are coral reefs called the ‘rainforests of the sea’?

Solution:

Coral reefs are called the “rainforests of the sea” because they feature extreme biodiversity, complex physical structures, and high biological productivity. Even though they cover less than 1% of the ocean floor, they support huge numbers of living things.

Q.6: How do the oceans help to regulate the Earth’s climate?

Solution:

Oceans regulate the Earth’s climate by absorbing and storing solar heat, absorbing carbon dioxide, and circulating warm and cold ocean currents. These processes help balance global temperatures, influence weather patterns, and maintain a stable climate.

Q.7: What is the main reason for the Great Barrier Reef facing threats today?

Solution:

The main reason the Great Barrier Reef faces threats today is climate change, driven specifically by rising ocean temperatures, mass coral bleaching, and ocean acidification.

Q.8: Why is the Amazon Rainforest often called the ‘Lungs of the Earth’?

Solution:

The Amazon Rainforest is called the “Lungs of the Earth” because its billions of trees absorb carbon dioxide and produce oxygen through photosynthesis, much like human lungs.

Oxygen and Carbon Role

Oxygen production: It generates a massive share of the planet’s oxygen supply.
Carbon storage: It acts as a carbon sink, locking away carbon dioxide to help slow down global warming.

Q.9: Choose two different types of geographical features you have explored in this chapter. Write short paragraphs on how they influence the flora and fauna or human lives in that area. Do they also have an implication for the whole globe?

Solution:

Mountains and rivers are two key geographical features that shape local life and have major global impacts. They control weather patterns, provide water, and support diverse living things across the planet.

Mountains

Local Life: Steep slopes and cold air limit plant types to hardy trees and low shrubs. Animals like mountain goats grow thick fur to survive the cold. Humans build terraced farms to grow food on slopes and use melting snow for fresh water.
Global Impact: They block wind and rain clouds, creating wet zones on one side and dry deserts on the other. They also store huge amounts of fresh water in glaciers for millions of people downstream.

Rivers

Local Life: Flowing fresh water brings rich soil to riverbanks, helping thick forests and wetland plants grow. Fish, birds, and land animals gather here to hunt and drink. Humans build towns along rivers to fish, farm, and move goods easily.
Global Impact: They carry nutrients and water into the oceans, feeding sea life. They also cycle water back into the air through evaporation, driving the global weather system.

Q.10: Discuss how oceans influence climate and trade. Use examples from the Indian and Pacific Oceans.

Solution:

Oceans shape global climate and trade by storing heat, driving weather systems, and hosting key maritime routes. The Indian Ocean and Pacific Ocean control monsoons, shift global rainfall via events like El Niño, and carry massive commercial shipping and energy supplies.

Q.11: Choose one environmental issue (deforestation, reef bleaching, or desertification) and explain its causes, impacts, and possible solutions.

Solution:

Deforestation is a major environmental crisis driven by three key factors: agricultural expansion, logging, and infrastructure development.

Causes

Agricultural expansion: Clearing huge areas of land to grow crops like soy and palm oil or to raise cattle for meat.
Commercial logging: Cutting down valuable trees for timber, paper, and wood products.
Infrastructure growth: Building new roads, dams, and mines that cut through wild forests.

Impacts

Habitat loss: Millions of animals and plants lose their homes, which leads to extinction.
Climate change: Trees absorb carbon dioxide, so cutting them down leaves more greenhouse gases in the air.
Soil erosion: Without tree roots to hold the dirt in place, rain washes the soil away and ruins nearby farms and rivers.

Solutions

Tree planting: Restoring damaged areas by planting new saplings to grow the canopy back.
Strict laws: Governments must punish illegal logging and protect public land.
Smart shopping: People can buy products that do not harm the forests, such as items labeled with sustainable certifications.

Q.12: Imagine you are a geographer asked to advise a government about protecting one major landscape in your country. Which one would you choose, and why?

Solution:

I would choose to protect the Himalayan mountain landscape. It is the source of major rivers like the Ganga, Yamuna, and Brahmaputra, supports rich biodiversity, regulates climate, and provides livelihoods through farming and tourism. Protecting the Himalayas helps prevent landslides, soil erosion, and the impacts of climate change, ensuring water security and ecological balance for millions of people.

Q.13: Imagine that someone is funding a group of you for a road trip across two continents. There are differences of opinion on which two they should be. Make a pitch for the ones you would like everyone to go to. Use a blank map, trace your route and locate the places on it, and try to convince the others to your point of view. You could use a variety of creative ways.

Solution:

I would choose Asia and Europe for our road trip because they offer an exciting mix of history, culture, natural beauty, and modern development.

Our journey would begin in India, passing through Pakistan, China, Kazakhstan, and Russia, before entering Europe through countries such as Finland, Sweden, Germany, France, and ending in Italy.

This route lets us experience:

The Himalayas and vast Asian landscapes.
Ancient civilizations, famous monuments, and diverse cultures.
Modern cities like Berlin and Paris.
Historic landmarks such as the Eiffel Tower, Colosseum, and Leaning Tower of Pisa.
Different climates, cuisines, languages, and traditions.

This road trip would provide an unforgettable learning experience by combining geography, history, culture, and adventure in two of the world’s most fascinating continents.

Route to mark on a blank map:

India → Pakistan → China → Kazakhstan → Russia → Finland → Sweden → Germany → France → Italy