ExamSpark Class 12 Geography
Subject: CBSE Class 12 Geography (NCERT Full-Syllabus Practice)
Detailed Question Analysis
Q1. Which of the following best defines "sustainable development"?
Correct Answer: Option B (Development that meets present needs without harming future generations)
Concept Explanation: Sustainable development ensures balanced use of resources so future generations can also meet their needs.
Q2. Which type of economic activity involves extraction of natural resources directly from nature?
Correct Answer: Option C (Primary activity)
Concept Explanation: Primary activities include farming, fishing, forestry, and mining, where natural resources are directly used.
Q3. Which factor mainly influences the location of the sugar industry in India?
Correct Answer: Option C (Nearness to sugarcane-producing areas)
Concept Explanation: Sugar industry is based on a bulky and perishable raw material, so it is located near sugarcane fields.
Q4. Which of the following is a major cause of urban pollution?
Correct Answer: Option B (Excessive vehicular emissions)
Concept Explanation: Large numbers of vehicles release harmful gases, contributing significantly to urban air pollution.
Q5. Which transport system is considered most economical for bulky goods over long distances?
Correct Answer: Option C (Waterways)
Concept Explanation: Water transport is economical and fuel-efficient for carrying heavy and bulky cargo.
Q6. Farmers in Punjab are shifting from rice cultivation to pulses due to falling groundwater levels. Which concept does this reflect?
Correct Answer: Option B (Sustainable agricultural practice)
Concept Explanation: Pulses require less water than rice, helping conserve groundwater resources sustainably.
Q7. A metropolitan city introduces electric buses and cycle tracks to reduce carbon emissions. This initiative mainly promotes:
Correct Answer: Option B (Sustainable urban transport)
Concept Explanation: Electric buses and cycling reduce fossil fuel consumption and urban pollution.
Q8. Why are coastal regions suitable for port development?
Correct Answer: Option B (Easy access to international trade routes)
Concept Explanation: Coastal areas connect countries through sea routes, making them ideal for trade and port activities.
Q9. Which of the following is an example of a quaternary activity?
Correct Answer: Option C (Software consultancy)
Concept Explanation: Quaternary activities involve specialized knowledge and information-based services.
Q10. Which of the following rivers is known for causing frequent floods in Assam?
Correct Answer: Option C (Brahmaputra)
Concept Explanation: The Brahmaputra carries huge water volume and sediments, leading to frequent flooding in Assam.
Q11. Assertion (A): Mining activities can cause environmental degradation. Reason (R): Mining often leads to deforestation, soil erosion, and pollution.
Correct Answer: Option A (Both A and R are true, and R is the correct explanation of A)
Concept Explanation: Mining disturbs land surfaces and ecosystems, resulting in environmental damage.
Q12. Assertion (A): Population density is low in desert regions. Reason (R): Harsh climate and water scarcity discourage settlements.
Correct Answer: Option A (Both A and R are true, and R is the correct explanation of A)
Concept Explanation: Extreme temperatures and lack of water make desert regions less suitable for dense population.
Q13. Read the following case carefully: A hilly region develops terrace farming, afforestation programs, and check dams to reduce soil erosion. Which objective is mainly being achieved?
Correct Answer: Option B (Land and water conservation)
Concept Explanation: Terrace farming and afforestation reduce runoff and conserve soil and water resources.
Q14. Read the passage carefully: An industrial corridor develops rapidly due to highways, rail connectivity, power supply, and skilled labor availability. Which factor is most responsible for industrial growth here?
Correct Answer: Option B (Infrastructure development)
Concept Explanation: Industries grow rapidly where transport, electricity, and skilled labor are available.
Q15. Which of the following best explains "urban sprawl"?
Correct Answer: Option B (Uncontrolled expansion of urban areas)
Concept Explanation: Urban sprawl refers to unplanned outward expansion of cities into surrounding rural areas.
Q16. Which of the following is NOT a renewable source of energy?
Correct Answer: Option D (Petroleum)
Concept Explanation: Petroleum is a fossil fuel that takes millions of years to form and is exhaustible.
Q17. A region rich in natural beauty and biodiversity promotes eco-tourism instead of large-scale industries. This reflects:
Correct Answer: Option B (Environment-friendly economic development)
Concept Explanation: Eco-tourism generates income while conserving biodiversity and environmental balance.
Q18. Which measure would best help control air pollution in industrial cities?
Correct Answer: Option B (Expanding green belts)
Concept Explanation: Green belts absorb pollutants and improve air quality in urban-industrial regions.
Q19. Which of the following best explains "dependency ratio"?
Correct Answer: Option B (Ratio of dependent population to working population)
Concept Explanation: Dependency ratio measures the burden on the working population by non-working age groups.
Q20. Which strategy is most effective for long-term water conservation in urban areas?
Correct Answer: Option C (Rainwater harvesting and wastewater recycling)
Concept Explanation: Rainwater harvesting and recycling improve water availability and reduce pressure on groundwater.