Geography as a Discipline
Chhattisgarh Board · Class 11 · Geography
NCERT Solutions for Geography as a Discipline — Chhattisgarh Board Class 11 Geography.
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EXERCISES — Geography as a Discipline
1(i)Which one of the following scholars coined the term 'Geography'?
(a) Herodotus
(b) Erathosthenese
(c) Galileo
(d) AristotleShow solution
The Greek scholar Eratosthenes (276–194 BC) was the first to use the word 'Geography' (Greek: Geo = Earth, Graphos = description/writing). He is therefore regarded as the father of Geography.
1(ii)Which one of the following features can be termed as 'physical feature'?
(a) Port
(b) Road
(c) Plain
(d) Water parkShow solution
A plain is a naturally formed landform created by geological and geomorphic processes, making it a physical (natural) feature. Ports, roads, and water parks are all man-made (cultural/human-made) features.
1(iii)Make correct pairs from the following two columns:
1. Meteorology — A. Population Geography
2. Demography — B. Soil Geography
3. Sociology — C. Climatology
4. Pedology — D. Social Geography
(a) 1B,2C,3A,4D
(b) 1A,2D,3B,4C
(c) 1D,2B,3C,4A
(d) 1C,2A,3D,4BShow solution
Justification:
- Meteorology (study of atmosphere/weather) is related to Climatology (C).
- Demography (study of population) is related to Population Geography (A).
- Sociology (study of society) is related to Social Geography (D).
- Pedology (study of soils) is related to Soil Geography (B).
1(iv)Which one of the following questions is related to cause-effect relationship?
(a) Why
(b) Where
(c) What
(d) WhenShow solution
The question 'Why' seeks to explain the reason or cause behind a phenomenon, thereby establishing a cause-and-effect relationship. Geography uses 'Why' to explain spatial patterns and processes on the earth's surface.
1(v)Which one of the following disciplines attempts temporal synthesis?
(a) Sociology
(b) Geography
(c) Anthropology
(d) HistoryShow solution
History attempts temporal (time-based) synthesis by studying and integrating events, processes, and changes over different periods of time. Geography, by contrast, attempts spatial synthesis by integrating phenomena over space/area.
2(i)What important cultural features do you observe while going to school? Are they similar or dissimilar? Should they be included in the study of geography or not? If yes, why?Show solution
Similar or Dissimilar: These features are largely dissimilar — they vary from place to place depending on the local culture, religion, economic activity, and historical background. For example, the architecture of buildings, the type of market, and the mode of transport differ across regions.
Should they be included in Geography? Yes, definitely. Geography is not limited to the study of natural features alone. Human or cultural geography specifically studies man-made features and their spatial distribution. These cultural features are the result of human interaction with the natural environment. Understanding them helps us explain:
- How humans have modified the natural landscape.
- The relationship between the physical environment and human activities.
- Regional differences in culture, economy, and society.
Thus, cultural features are an integral part of geographical study.
2(ii)You have seen a tennis ball, a cricket ball, an orange and a pumpkin. Which one amongst these resembles the shape of the earth? Why have you chosen this particular item to describe the shape of the earth?Show solution
Answer: An orange most closely resembles the shape of the earth.
Reason: The earth is not a perfect sphere; it is slightly flattened at the poles and bulges at the equator. This shape is called an 'oblate spheroid' or 'geoid'. An orange is also slightly flattened at the top and bottom (poles) and wider in the middle (equator), making it the best analogy among the given objects.
- A tennis ball and a cricket ball are nearly perfect spheres — they do not represent the polar flattening.
- A pumpkin is too flat and irregular in shape.
Therefore, an orange best represents the oblate spheroid shape of the earth.
2(iii)Do you celebrate Van Mahotsava in your school? Why do we plant so many trees? How do the trees maintain ecological balance?Show solution
Why do we plant trees?
- Trees provide oxygen, timber, fruits, and medicinal herbs.
- They prevent soil erosion and maintain soil fertility.
- They help in conserving water and recharging groundwater.
- They provide habitat for wildlife.
- They reduce air pollution by absorbing and other pollutants.
How do trees maintain ecological balance?
1. Carbon cycle: Trees absorb carbon dioxide during photosynthesis and release oxygen, thus regulating the composition of the atmosphere.
2. Water cycle: Trees release water vapour through transpiration, which contributes to rainfall and maintains the hydrological cycle.
3. Soil conservation: Tree roots bind the soil, preventing erosion by wind and water.
4. Biodiversity: Forests provide habitat and food for a large variety of plants, animals, and microorganisms, thus maintaining biodiversity.
5. Climate regulation: Forests moderate local and regional climate by reducing temperature extremes.
Thus, trees are essential for maintaining the ecological balance of the earth.
2(iv)You have seen elephants, deer, earthworms, trees and grasses. Where do they live or grow? What is the name given to this sphere? Can you describe some of the important features of this sphere?Show solution
Name of the sphere: This zone is called the Biosphere (also known as the 'living world' or 'ecosphere').
Important features of the Biosphere:
1. The biosphere is a narrow zone on the earth's surface where life exists.
2. It extends from the deep ocean floors to the highest mountain peaks where life can survive.
3. It includes all living organisms — plants, animals, and microorganisms.
4. It interacts with the other three spheres: lithosphere (land), hydrosphere (water), and atmosphere (air).
5. It is the zone where energy from the sun is converted into organic matter through photosynthesis.
6. It maintains the cycling of nutrients (carbon, nitrogen, oxygen) essential for life.
7. It supports a vast diversity of ecosystems — forests, grasslands, deserts, oceans, etc.
2(v)How much time do you take to reach your school from your house? Had the school been located across the road from your house, how much time would you have taken to reach school? What is the effect of the distance between your residence and the school on the time taken in commuting? Can you convert time into space and vice versa?Show solution
Observation: Suppose a student takes 30 minutes to reach school, which is 3 km away. Had the school been just across the road (say 100 metres away), the student would have taken only 2–3 minutes.
Effect of distance on time: There is a direct relationship between distance (space) and time taken to commute. Greater the distance, greater the time required (assuming the same mode of transport and speed). This relationship can be expressed as:
Conversion of time into space and vice versa:
Yes, time can be converted into space and vice versa. For example:
- If a person walks at 4 km/h and takes 30 minutes, the distance covered = km. (Time converted to space)
- If the distance is 6 km and speed is 3 km/h, time taken = hours. (Space converted to time)
In geography, this concept is important because spatial interaction between places depends not just on physical distance but also on the time and cost of travel. This is called 'time-space compression' in modern geography — advances in transport and communication have effectively reduced the 'time-distance' between places.
3(i)You observe every day in your surroundings that there is variation in natural as well as cultural phenomena. All the trees are not of the same variety. All the birds and animals you see, are different. All these different elements are found on the earth. Can you now argue that geography is the study of 'areal differentiation'?Show solution
Argument that Geography is the study of Areal Differentiation:
1. Variation in Natural Phenomena:
- Not all trees are of the same variety. Tropical rainforests have dense, broad-leaved trees; deserts have cacti and thorny shrubs; temperate regions have coniferous or deciduous trees. This variation is due to differences in climate, soil, and relief.
- Birds and animals also differ from region to region. The tiger is found in Indian forests, the polar bear in the Arctic, and the kangaroo in Australia. Each species is adapted to its specific environment.
- Landforms vary — some areas have mountains, others have plains, plateaus, or coastal features.
- Climate varies — some regions are hot and dry, others are cold and wet.
2. Variation in Cultural Phenomena:
- Human settlements, languages, religions, food habits, dress, and economic activities differ from place to place.
- Agricultural practices vary — rice cultivation in river deltas, wheat in temperate plains, and nomadic herding in arid regions.
- Urban landscapes differ from rural landscapes.
3. Geography Explains These Differences:
- Geography does not merely describe these differences; it seeks to explain why they exist — the cause-and-effect relationships between the physical environment and human activities.
- It studies the spatial distribution of phenomena and the interactions between different elements within an area.
Conclusion: Since every part of the earth's surface is unique in its combination of physical and human features, and geography systematically studies these spatial differences and their causes, it is fully justified to say that geography is the study of 'areal differentiation'. It integrates knowledge from various natural and social sciences to understand why different areas of the earth are different from one another.
3(ii)You have already studied geography, history, civics and economics as parts of social studies. Attempt an integration of these disciplines highlighting their interface.Show solution
Interface between the Disciplines:
1. Geography and History:
- Geography provides the physical setting (landforms, climate, rivers) within which historical events take place. For example, the Indus Valley Civilisation developed along the fertile banks of the Indus river — a geographical factor.
- The rise and fall of empires, trade routes (Silk Route), and colonial expansion were all influenced by geographical factors.
- History, in turn, explains how the landscape has been modified by human activity over time — deforestation, urbanisation, and land use changes are historical processes with geographical outcomes.
2. Geography and Economics:
- The distribution of natural resources (minerals, forests, water, fertile soil) determines the economic activities of a region — mining, agriculture, forestry, fishing.
- Industrial location, trade patterns, and transport networks are studied both in geography (economic geography) and economics.
- Poverty, development, and inequality have strong spatial dimensions that geographers and economists both study.
3. Geography and Civics (Political Science):
- Political boundaries, nations, and states are spatial entities studied in political geography.
- Issues like water disputes between states, border conflicts, and resource sharing are both geographical and political.
- Environmental policies, urban planning, and disaster management require an understanding of both geography and governance.
4. History and Economics:
- Economic history studies how economies have evolved over time — from agrarian to industrial to service-based economies.
- Colonial exploitation of resources is both a historical and economic issue.
5. History and Civics:
- The evolution of democratic institutions, constitutions, and governance systems is studied in both history and civics.
- Social movements and revolutions are historical events with political consequences.
Conclusion: Geography, History, Civics, and Economics are deeply interrelated. Geography provides the spatial and environmental context; History provides the temporal dimension; Economics explains the production and distribution of resources; and Civics explains governance and political organisation. Together, they offer a holistic understanding of human society and its interaction with the natural environment. This integration is the essence of Social Studies as a discipline.
Project WorkSelect forest as a natural resource.
(i) Prepare a map of India showing the distribution of different types of forests.
(ii) Write about the economic importance of forests for the country.
(iii) Prepare a historical account of conservation of forests in India with focus on Chipko movements in Rajasthan and Uttaranchal.Show solution
--- Part (i): Map of India — Distribution of Different Types of Forests ---
Students should draw an outline map of India and mark/shade the following forest types:
1. Tropical Evergreen Forests: Western Ghats (Kerala, Karnataka, Tamil Nadu), Andaman & Nicobar Islands, northeastern states (Assam, Meghalaya, Arunachal Pradesh). These regions receive very heavy rainfall (above 200 cm) and have dense, multi-layered forests.
2. Tropical Deciduous Forests (Monsoon Forests): Most widespread type; found in Madhya Pradesh, Chhattisgarh, Odisha, Jharkhand, Maharashtra, and parts of Uttar Pradesh. Divided into moist deciduous (100–200 cm rainfall) and dry deciduous (70–100 cm rainfall).
3. Tropical Thorn Forests: Rajasthan, Gujarat, parts of Haryana and Punjab. Found in arid and semi-arid regions with rainfall below 70 cm.
4. Montane Forests: Himalayan region — sub-tropical forests in lower Himalayas, temperate forests (oak, rhododendron, deodar) in middle Himalayas, and alpine forests/meadows at higher altitudes.
5. Mangrove/Tidal Forests: Sundarbans (West Bengal), Mahanadi delta (Odisha), Krishna-Godavari delta (Andhra Pradesh), Gulf of Kutch (Gujarat). Found along coastal areas and river deltas.
--- Part (ii): Economic Importance of Forests ---
Forests are one of the most valuable natural resources of India. Their economic importance can be described under the following heads:
1. Timber and Wood: Forests provide valuable timber (teak, sal, deodar, rosewood) used in construction, furniture making, and railway sleepers. India's timber industry employs millions of people.
2. Fuel and Charcoal: A large proportion of India's rural population depends on firewood as the primary source of fuel for cooking and heating.
3. Non-Timber Forest Products (NTFPs): Forests provide bamboo, cane, resin, gum, lac, honey, wax, medicinal herbs, and spices. These are important for cottage industries and tribal livelihoods.
4. Paper and Pulp Industry: Bamboo and softwood are used as raw material for the paper and pulp industry.
5. Agriculture: Forests maintain soil fertility, regulate water supply, and prevent floods and droughts, thereby supporting agricultural productivity.
6. Tourism and Recreation: Forest-based eco-tourism (national parks, wildlife sanctuaries) generates significant revenue and employment.
7. Employment: The forest sector directly and indirectly employs millions of people, especially tribal communities who depend on forests for their livelihood.
8. Carbon Credits: In the context of climate change, India's forests serve as carbon sinks and can earn carbon credits under international agreements.
--- Part (iii): Historical Account of Forest Conservation in India — Chipko Movement ---
Background:
India has a long tradition of forest conservation. Ancient texts like Arthashastra and Manusmriti mention rules for protecting forests. Sacred groves ('Dev Vans') were maintained by communities across India.
Colonial Period:
During British rule, forests were exploited commercially for timber (especially for railways and shipbuilding). The Indian Forest Act of 1865 and 1878 brought forests under state control, often displacing local communities. This led to widespread deforestation.
Post-Independence:
After independence, the National Forest Policy of 1952 was adopted, which aimed at maintaining one-third of India's land under forest cover. However, development projects continued to cause deforestation.
Chipko Movement in Uttaranchal (Uttarakhand):
- The Chipko Movement ('Chipko' means 'to hug/embrace') began in 1973 in the Chamoli district of Uttarakhand (then Uttar Pradesh).
- It was led by Sunderlal Bahuguna and Chandi Prasad Bhatt, with women playing a central role.
- When the government allotted trees in the Mandal forest to a sports goods company, local villagers — especially women — hugged the trees to prevent them from being felled.
- The movement spread rapidly across the Garhwal Himalayas.
- It highlighted the dependence of hill communities on forests for fodder, fuel, and water.
- As a result of this movement, the government imposed a 15-year ban on commercial felling of trees in the Himalayan forests of Uttar Pradesh in 1980.
- The movement became a symbol of grassroots environmental activism and inspired similar movements across India and the world.
Chipko Movement in Rajasthan (Bishnoi Movement):
- The roots of tree conservation in Rajasthan go back to 1730 AD, when Amrita Devi Bishnoi and 363 other members of the Bishnoi community in Khejarli village sacrificed their lives to protect Khejri trees from being felled on the orders of the Maharaja of Jodhpur.
- The Bishnoi community has traditionally protected trees and wildlife as part of their religious beliefs.
- This historical event is considered the precursor of the modern Chipko Movement.
- The Khejarli massacre is commemorated every year, and the Amrita Devi Bishnoi Wildlife Protection Award is given by the Government of Rajasthan.
Legacy:
- The Chipko Movement led to greater awareness about the ecological importance of forests.
- It influenced the Forest Conservation Act of 1980, which made it mandatory to obtain central government approval before diverting forest land for non-forest purposes.
- It demonstrated that local communities, especially women, are the best guardians of forests.
- It inspired the concept of Joint Forest Management (JFM) in India, where local communities participate in forest protection and management.
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