Environmental Science Nptel Week 2 Assignment Answers
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Environmental Science Nptel Week 2 Assignment Answers (July-Dec 2025)
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Question 1. Which sustainable development goal (SDG) focuses on ensuring universal and equitable access to clean water and sanitation for all?
a) SDG #3
b) SDG #6
c) SDG #9
d) SDG #12
Question 2. Which of the following was not included as one of the original Millennium Development Goals (MDGs), but was later introduced under the SDGs?
a) Reduce child mortality
b) Promote gender equality and empower women
c) Ensure universal access to clean and affordable energy
d) Eradicate extreme poverty and hunger
Question 3. Which of the following is not one of the three fundamental pillars of sustainability?
a) Economic development
b) Social inclusion
c) Technological innovation
d) Environmental protection
Question 4. Which of the following is a primary characteristic of urban sprawl?
a) The development of compact, mixed-use urban spaces that prioritize pedestrian mobility.
b) The outward, low-density expansion of urban areas into undeveloped or agricultural land, often leading to inefficient land use.
c) The creation of efficient public transport networks that reduce reliance on private vehicles in urban areas.
d) A shift toward more centralized urban living, resulting in increased population density in core urban areas.
Question 5. Which of the following statements about extensive green roofs is correct?
a) They use a thin layer of soil and feature easy-to-maintain vegetation.
b) They use deep layers of soil to grow large plants.
c) They require frequent watering.
d) They are significantly heavier than intensive green roofs.
Question 6. Which of the following is not a major contributor to the urban heat island effect?
a) Concrete and asphalt surfaces
b) Air conditioning exhausts
c) Dense building structures
d) Parks and tree-covered areas
These are Environmental Science Nptel Week 2 Assignment Answers
Question 7. Which of the following plumbing fixtures help reduce water consumption in green buildings?
a) Traditional flush toilets
b) High-pressure showers
c) Low-flow faucets and dual-flush toilets
d) Unregulated hose pipes
Question 8. Which of the following most accurately reflects the core objective of Smart City initiatives?
a) To achieve complete automation of all urban services using artificial intelligence.
b) To enhance urban sustainability, efficiency, and quality of life through integrated digital technologies and data-driven governance.
c) To replace traditional infrastructure with futuristic designs and architecture.
d) To reduce government intervention by promoting privately managed urban systems.
Question 9. Which of the following is an example of a positive spillover effect between two SDGs?
a) Expanding access to clean energy (SDG #7) improves air quality, leading to better health outcomes (SDG #3).
b) Increasing industrial production (SDG #9) leads to higher carbon emissions, impacting climate action efforts (SDG #13).
c) Expanding agricultural land (SDG #2) results in deforestation and biodiversity loss (SDG #15).
d) Promoting tourism for economic growth (SDG #8) contributes to environmental degradation (SDG #14).
Question 10. Which of the following is an effective policy measure to promote sustainable mobility in cities?
a) Subsidizing fuel for private vehicles
b) Expanding road infrastructure to accommodate more cars
c) Investing in cycling lanes and pedestrian-friendly infrastructure
d) Reducing import taxes on luxury cars
These are Environmental Science Nptel Week 2 Assignment Answers
