ExamSpark Class 12 Geography
Subject: CBSE Class 12 Geography (NCERT Full-Syllabus Practice)
Total Score
--/20
Correct
--
Incorrect
--
Unattempted
--
Correct Answer: Option B (Improvement in quality of life through education, health, and income)
Concept Explanation: Human development focuses on improving people's well-being through better education, healthcare, and living standards.
Correct Answer: Option C (Intensive subsistence farming)
Concept Explanation: Intensive subsistence farming uses small farms intensively with high labor input to maximize yield.
Correct Answer: Option B (Availability of cheap electricity)
Concept Explanation: Aluminium production requires huge amounts of electricity, so industries locate near power sources.
Correct Answer: Option C (Coal)
Concept Explanation: Coal is exhaustible and takes millions of years to form, making it non-renewable.
Correct Answer: Option B (Pipelines)
Concept Explanation: Pipelines are safe, economical, and efficient for transporting liquids such as crude oil.
Correct Answer: Option B (Sustainable water management)
Concept Explanation: Rainwater harvesting helps recharge groundwater and improves water availability sustainably.
Correct Answer: Option B (Conserving water resources)
Concept Explanation: Drip irrigation supplies water directly to roots, reducing water loss through evaporation.
Correct Answer: Option B (They provide access to sea routes and ports)
Concept Explanation: Coastal cities connect countries through maritime routes, facilitating global trade.
Correct Answer: Option C (Banking services)
Concept Explanation: Tertiary activities provide services such as banking, communication, transport, and insurance.
Correct Answer: Option A (Kosi)
Concept Explanation: The Kosi River frequently changes its course and causes severe floods in Bihar.
Correct Answer: Option A (Both A and R are true, and R is the correct explanation of A)
Concept Explanation: Increasing urban population and vehicles create congestion and infrastructure stress.
Correct Answer: Option A (Both A and R are true, and R is the correct explanation of A)
Concept Explanation: Vegetation cover stabilizes soil and protects land from erosion by wind and water.
Correct Answer: Option B (Disaster mitigation and preparedness)
Concept Explanation: Mangroves reduce storm impact while warning systems help save lives during disasters.
Correct Answer: Option B (Sustainable urban development)
Concept Explanation: Eco-friendly transport, recycling, and greenery improve sustainability in urban areas.
Correct Answer: Option C (Uncontrolled outward expansion of cities)
Concept Explanation: Urban sprawl refers to unplanned expansion of cities into surrounding rural areas.
Correct Answer: Option C (Excessive use of chemical fertilizers)
Concept Explanation: Excessive chemical use damages soil fertility and harms the environment.
Correct Answer: Option B (Infrastructure development)
Concept Explanation: Transport and communication networks are necessary for utilizing resources and promoting development.
Correct Answer: Option B (Promoting public transport and electric vehicles)
Concept Explanation: Public transport and electric vehicles reduce fuel consumption and harmful emissions.
Correct Answer: Option B (Ratio of dependent population to working-age population)
Concept Explanation: Dependency ratio measures the burden on economically productive people by dependents.
Correct Answer: Option B (Promoting renewable energy sources)
Concept Explanation: Renewable energy ensures sustainable and cleaner energy supply for future needs.