Week 8 Answers
1. According to the case study “Indoor Air Quality in Nursery Buildings, UAE – Case Study” what measures were adopted to monitor indoor air quality in nursery buildings in the UAE?
a) Controlling the source of pollutants
b) Improving ventilation
c) Removing pollutants via purification
d) All the above
Answer: D
2. Controlling the source of pollutants, improving ventilation, and removing pollutants via purification.
a) True
b) False
Answer: A
3. What is the primary substance responsible for ozone layer depletion?
a) Methane (CH4)
b) Chlorofluorocarbons (CFCs)
c) Carbon Dioxide (CO2)
d) Ammonia (NH3)
Answer: B
4. Which international treaty was established to address ozone depletion?
a) Kyoto Protocol
b) Paris Agreement
c) Montreal Protocol
d) Basel Convention
Answer: C
5. What is a major cause of global warming?
a) Particulate matter emission
b) Accumulation of greenhouse gases like CO2 and CH4
c) Deforestation in tropical regions
d) Loss of biodiversity
Answer: B
6. Which human activity is the largest contributor to methane emissions?
a) Industrial manufacturing
b) Fossil fuel combustion
c) Livestock farming and rice cultivation
d) Urban infrastructure development
Answer: C
7. GHGs act like a blanket wrapped around the Earth, trapping the outgoing longwave (infrared) radiation from the Earth’s surface and thus declining global atmospheric temperature.
a) True
b) False
Answer: B
8. Which Sustainable Development Goal (SDG) focuses on action to combat climate change and its impacts?
a) SDG – 6
b) SDG – 10
c) SDG – 13
d) SDG – 16
Answer: C
9. Which pollutants are responsible for the formation of acid rain?
a) Methane (CH4) and carbon monoxide (CO)
b) Sulfur dioxide (SO2) and nitrogen oxides (NOx)
c) Volatile organic compounds (VOCs) and ozone (O3)
d) Ammonia (NH3) and particulate matter (PM2.5)
Answer: B
10. What is a significant effect of acid rain on aquatic ecosystems?
a) Increased water temperatures
b) Lowering pH levels, leading to the death of aquatic organisms
c) Increased levels of dissolved oxygen in water
d) Decreased biodiversity in terrestrial environments
Answer: B
