Unit-4: Social issues and the environment Flashcards
Q1: What is unsustainable development?
A: Development that depletes resources and harms the environment, affecting future generations.
Q2: Define sustainable development.
A: Development that meets current needs without compromising future generations’ ability to meet their needs.
Q3: Name three practices for sustainable development.
A: Using renewable energy, reducing waste, and adopting the 3Rs (Reduce, Reuse, Recycle).
Q4: Mention two energy-related problems in urban areas.
A: High energy demand and pollution from fossil fuel use.
Q5: What is one solution to reduce urban energy problems?
A: Transitioning to renewable energy sources like solar and wind.
Q6: What is water conservation?
A: Efficient use of water to prevent scarcity.
Q7: Define rainwater harvesting.
A: Collecting and storing rainwater for future use.
Q8: What is watershed management?
A: Sustainable management of water and soil resources in a specific watershed area.
Q9: What are the primary concerns of resettlement?
A: Displacement, loss of livelihood, and cultural impacts.
Q10: Name one project associated with displacement due to dams.
A: The Narmada Dam Project.
Q11: What is environmental ethics?
A: Moral principles guiding human interaction with the environment.
Q12: Name one ethical approach to environmental issues.
A: Stewardship: Caring for nature responsibly.
Q13: What is a green building?
A: A building designed to reduce resource use and environmental impact.
Q14: List two features of a green building.
A: Energy-efficient lighting and rainwater harvesting systems.
Q15: What is remote sensing?
A: Using satellite imagery to study Earth’s surface.
Q16: How does GIS help in groundwater exploration?
A: By mapping and analyzing spatial data to locate groundwater resources.
Q17: What causes global warming?
A: The increase in greenhouse gases like CO₂ and CH₄.
Q18: Name two effects of climate change.
A: Rising sea levels and extreme weather conditions.
Q19: What is acid rain?
A: Rain containing sulfuric and nitric acids from industrial emissions.
Q20: What causes ozone layer depletion?
A: Chlorofluorocarbons (CFCs) that destroy ozone molecules.
Q21: Name one major nuclear accident.
A: The Chernobyl disaster.
Q22: What is wasteland reclamation?
A: Restoring degraded land to make it usable.
Q23: List one technique for wasteland reclamation.
A: Afforestation: Planting trees to restore fertility.
Q24: What is consumerism?
A: Excessive consumption of goods and resources.
Q25: Mention one effect of consumerism on the environment.
A: Increased waste and resource depletion.
Q26: Name two methods for managing waste.
A: Recycling and composting.
