ExamSpark Class 12 Geography
Subject: CBSE Class 12 Geography (NCERT Full-Syllabus Practice)
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Correct Answer: Option B (Study of interaction between humans and environment)
Concept Explanation: Human geography studies human activities, settlements, economy, and their interaction with the physical environment.
Correct Answer: Option B (Plantation farming)
Concept Explanation: Plantation farming involves large-scale production of cash crops such as tea, coffee, and rubber.
Correct Answer: Option B (Proximity to raw materials)
Concept Explanation: Iron and steel industries require bulky raw materials like iron ore and coal, so they locate near raw material sources.
Correct Answer: Option C (Solar energy)
Concept Explanation: Solar energy is naturally replenished and can be used continuously without depletion.
Correct Answer: Option C (Pipelines)
Concept Explanation: Pipelines are economical and efficient for transporting liquid and gaseous fuels over long distances.
Correct Answer: Option C (Sustainable land management)
Concept Explanation: Terrace farming conserves soil and water, making agriculture more sustainable in hilly regions.
Correct Answer: Option A (Sustainable urban planning)
Concept Explanation: Metro systems reduce vehicular emissions and support sustainable urban transport.
Correct Answer: Option B (Coastal regions of Gujarat and Tamil Nadu)
Concept Explanation: Strong and continuous coastal winds make Gujarat and Tamil Nadu ideal for wind energy projects.
Correct Answer: Option C (Knowledge and information-based services)
Concept Explanation: Quaternary activities involve specialized knowledge services such as research, IT, and consultancy.
Correct Answer: Option C (Ganga-Brahmaputra)
Concept Explanation: The Ganga-Brahmaputra delta, also called the Sundarbans delta, is the world's largest delta.
Correct Answer: Option A (Both A and R are true, and R is the correct explanation of A)
Concept Explanation: River valleys attract population due to fertile land, irrigation, and favorable living conditions.
Correct Answer: Option A (Both A and R are true, and R is the correct explanation of A)
Concept Explanation: Airways require costly infrastructure, maintenance, and fuel, making them more expensive.
Correct Answer: Option B (Conserving water resources)
Concept Explanation: Rainwater harvesting and drip irrigation help conserve water and improve water-use efficiency.
Correct Answer: Option B (Knowledge-based infrastructure)
Concept Explanation: Technology industries depend mainly on skilled labor, communication, and advanced infrastructure.
Correct Answer: Option B (Excessive emission of greenhouse gases)
Concept Explanation: Greenhouse gases like carbon dioxide trap heat in the atmosphere, causing global warming.
Correct Answer: Option C (Unlimited exploitation of fossil fuels)
Concept Explanation: Sustainable development discourages overexploitation of natural resources.
Correct Answer: Option B (Iron and steel industry)
Concept Explanation: Iron and steel industries depend heavily on coal and iron ore as raw materials.
Correct Answer: Option B (Expanding green cover in cities)
Concept Explanation: Urban greenery absorbs heat and helps reduce temperature in cities.
Correct Answer: Option B (Permanent or semi-permanent movement of people from one place to another)
Concept Explanation: Migration involves movement of people for employment, education, safety, or better living conditions.
Correct Answer: Option C (Produce lower pollution per unit of transport)
Concept Explanation: Water transport is fuel-efficient and causes less pollution compared to road and air transport.