Unit-4: Social issues and the environment

Question 1

Q1: What is unsustainable development?

Answer 1

A: Development that depletes resources and harms the environment, affecting future generations.

Question 2

Q2: Define sustainable development.

Answer 2

A: Development that meets current needs without compromising future generations’ ability to meet their needs.

Question 3

Q3: Name three practices for sustainable development.

Answer 3

A: Using renewable energy, reducing waste, and adopting the 3Rs (Reduce, Reuse, Recycle).

Question 4

Q4: Mention two energy-related problems in urban areas.

Answer 4

A: High energy demand and pollution from fossil fuel use.

Question 5

Q5: What is one solution to reduce urban energy problems?

Answer 5

A: Transitioning to renewable energy sources like solar and wind.

Question 6

Q6: What is water conservation?

Answer 6

A: Efficient use of water to prevent scarcity.

Question 7

Q7: Define rainwater harvesting.

Answer 7

A: Collecting and storing rainwater for future use.

Question 8

Q8: What is watershed management?

Answer 8

A: Sustainable management of water and soil resources in a specific watershed area.

Question 9

Q9: What are the primary concerns of resettlement?

Answer 9

A: Displacement, loss of livelihood, and cultural impacts.

Question 10

Q10: Name one project associated with displacement due to dams.

Answer 10

A: The Narmada Dam Project.

Question 11

Q11: What is environmental ethics?

Answer 11

A: Moral principles guiding human interaction with the environment.

Question 12

Q12: Name one ethical approach to environmental issues.

Answer 12

A: Stewardship: Caring for nature responsibly.

Question 13

Q13: What is a green building?

Answer 13

A: A building designed to reduce resource use and environmental impact.

Question 14

Q14: List two features of a green building.

Answer 14

A: Energy-efficient lighting and rainwater harvesting systems.

Question 15

Q15: What is remote sensing?

Answer 15

A: Using satellite imagery to study Earth’s surface.

Question 16

Q16: How does GIS help in groundwater exploration?

Answer 16

A: By mapping and analyzing spatial data to locate groundwater resources.

Question 17

Q17: What causes global warming?

Answer 17

A: The increase in greenhouse gases like CO₂ and CH₄.

Question 18

Q18: Name two effects of climate change.

Answer 18

A: Rising sea levels and extreme weather conditions.

Question 19

Q19: What is acid rain?

Answer 19

A: Rain containing sulfuric and nitric acids from industrial emissions.

Question 20

Q20: What causes ozone layer depletion?

Answer 20

A: Chlorofluorocarbons (CFCs) that destroy ozone molecules.

Question 21

Q21: Name one major nuclear accident.

Answer 21

A: The Chernobyl disaster.

Question 22

Q22: What is wasteland reclamation?

Answer 22

A: Restoring degraded land to make it usable.

Question 23

Q23: List one technique for wasteland reclamation.

Answer 23

A: Afforestation: Planting trees to restore fertility.

Question 24

Q24: What is consumerism?

Answer 24

A: Excessive consumption of goods and resources.

Question 25

Q25: Mention one effect of consumerism on the environment.

Answer 25

A: Increased waste and resource depletion.

Question 26

Q26: Name two methods for managing waste.

Answer 26

A: Recycling and composting.