Name: NIOS Geography For Class 12th
Brand: Disha Publication
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NIOS Geography For Class 12th

by Madhurima

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Q1

What distinguishes endogenic forces from exogenic forces in geomorphic processes?

A1

Endogenic forces originate within Earth (volcanism, tectonics), building landforms. Exogenic forces act on surface (weathering, erosion), wearing them down through agents like wind and water.
Q2

How does the hydrological cycle maintain Earth’s water balance?

A2

Through continuous circulation—evaporation, condensation, precipitation, and runoff—it redistributes water among oceans, atmosphere, and land, sustaining all life systems.
Q3

What role does insolation play in atmospheric structure and composition?

A3

Insolation is incoming solar radiation. It heats the atmosphere unevenly, creating temperature zones, driving winds, and enabling the hydrological cycle.
Q4

Differentiate between humidity and precipitation with examples.

A4

Humidity is atmospheric moisture content. Precipitation is any form of water falling from clouds—rain, snow, hail—occurs when humidity reaches saturation point.
Q5

What are the major components of the biosphere and their link to biomes?

A5

Biosphere includes lithosphere, hydrosphere, atmosphere. Biomes are large ecological areas (tundra, forest) defined by climate and dominant vegetation within biosphere.
Q6

How do natural hazards become disasters according to Chapter 13?

A6

A natural event (earthquake) becomes a disaster when it causes widespread human, economic, or environmental loss exceeding local coping capacity.
Q7

What is the link between agriculture and food security in India?

A7

Agriculture supplies food grains. Food security means consistent physical and economic access to sufficient, safe, nutritious food for all citizens.
Q8

How does Foreign Direct Investment (FDI) impact transport and trade?

A8

FDI brings capital, technology, and efficiency. In transport, it improves ports/roads; in trade, it boosts exports and integrates India into global supply chains.
Q9

Define human development and its three core indicators.

A9

Human development expands people’s choices and well-being. Key indicators: long & healthy life (health), knowledge (education), decent living standard (income).
Q10

How are Sustainable Development Goals (SDGs) relevant to environment and sanitation?

A10

SDGs (Goal 6: clean water; Goal 11: sustainable cities) directly link environmental protection with improved sanitation, reducing open defecation and waterborne diseases.

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Have Doubts Regarding This Product ? Ask Your Question

Q1

What distinguishes endogenic forces from exogenic forces in geomorphic processes?

A1

Endogenic forces originate within Earth (volcanism, tectonics), building landforms. Exogenic forces act on surface (weathering, erosion), wearing them down through agents like wind and water.
Q2

How does the hydrological cycle maintain Earth’s water balance?

A2

Through continuous circulation—evaporation, condensation, precipitation, and runoff—it redistributes water among oceans, atmosphere, and land, sustaining all life systems.
Q3

What role does insolation play in atmospheric structure and composition?

A3

Insolation is incoming solar radiation. It heats the atmosphere unevenly, creating temperature zones, driving winds, and enabling the hydrological cycle.
Q4

Differentiate between humidity and precipitation with examples.

A4

Humidity is atmospheric moisture content. Precipitation is any form of water falling from clouds—rain, snow, hail—occurs when humidity reaches saturation point.
Q5

What are the major components of the biosphere and their link to biomes?

A5

Biosphere includes lithosphere, hydrosphere, atmosphere. Biomes are large ecological areas (tundra, forest) defined by climate and dominant vegetation within biosphere.
Q6

How do natural hazards become disasters according to Chapter 13?

A6

A natural event (earthquake) becomes a disaster when it causes widespread human, economic, or environmental loss exceeding local coping capacity.
Q7

What is the link between agriculture and food security in India?

A7

Agriculture supplies food grains. Food security means consistent physical and economic access to sufficient, safe, nutritious food for all citizens.
Q8

How does Foreign Direct Investment (FDI) impact transport and trade?

A8

FDI brings capital, technology, and efficiency. In transport, it improves ports/roads; in trade, it boosts exports and integrates India into global supply chains.
Q9

Define human development and its three core indicators.

A9

Human development expands people’s choices and well-being. Key indicators: long & healthy life (health), knowledge (education), decent living standard (income).
Q10

How are Sustainable Development Goals (SDGs) relevant to environment and sanitation?

A10

SDGs (Goal 6: clean water; Goal 11: sustainable cities) directly link environmental protection with improved sanitation, reducing open defecation and waterborne diseases.

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