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Indian Physical Environment: Structure & Physiography Video Lecture | NCERT Video Summary: Class 6 to Class 12 (English) - UPSC

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FAQs on Indian Physical Environment: Structure & Physiography Video Lecture - NCERT Video Summary: Class 6 to Class 12 (English) - UPSC

1. What is the physical structure of India's environment?
Ans. India's physical environment is diverse and characterized by several physical features such as mountains, plateaus, plains, and coastal regions. The northern part of the country is dominated by the Himalayan mountain range, while the central part consists of the Deccan Plateau. The Gangetic plains and the coastal regions further add to the diverse physical structure of India.
2. What is the physiography of India?
Ans. The physiography of India refers to the study and description of the physical features and landforms of the country. It includes the identification and analysis of various landforms such as mountains, plateaus, plains, valleys, and coastal regions. The physiography of India is influenced by tectonic movements, erosion, and deposition processes over millions of years.
3. How do the physical features of India impact its climate?
Ans. The physical features of India significantly influence its climate. The presence of the Himalayan mountain range in the north acts as a barrier to the cold winds from Central Asia, resulting in a distinct climatic pattern. The Western Ghats and the Eastern Ghats influence the distribution of rainfall, creating a significant contrast between the windward and leeward sides. The Deccan Plateau experiences a semi-arid climate due to its elevation, while the coastal regions are influenced by maritime influences.
4. How does the physical environment of India support its biodiversity?
Ans. The diverse physical environment of India provides a conducive habitat for a rich biodiversity. The mountains, forests, wetlands, and coastal regions harbor a wide variety of flora and fauna. The Western Ghats and the Eastern Himalayas are recognized as biodiversity hotspots due to the presence of numerous endemic species. The rivers and lakes also support a diverse aquatic ecosystem. The physical environment plays a crucial role in sustaining and protecting this biodiversity.
5. What are the major threats to India's physical environment?
Ans. India's physical environment faces several threats, including deforestation, pollution, land degradation, and climate change. Deforestation for agricultural expansion and urbanization leads to loss of forest cover and habitat fragmentation. Pollution from industries, agriculture, and urban areas negatively impacts air, water, and soil quality. Land degradation, including soil erosion and desertification, further deteriorates the physical environment. Climate change poses additional challenges such as rising temperatures, changing rainfall patterns, and sea-level rise, which have far-reaching impacts on India's physical environment.
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