Environmental Issues (Deforestation, Climate Change, Pollution) 50 Score: 0 Attempted: 0/50 Subscribe 1. : What is the leading cause of deforestation worldwide? (A) Urbanization (B) Agriculture expansion (C) Industrial pollution (D) Mining activities 2. : Which greenhouse gas is the primary contributor to global warming? (A) Methane (B) Carbon dioxide (C) Nitrous oxide (D) Ozone 3. : Which sector is the largest source of carbon emissions globally? (A) Transportation (B) Agriculture (C) Energy production (D) Waste management 4. : What is the major cause of air pollution in urban areas of Pakistan? (A) Deforestation (B) Vehicle emissions (C) Industrial waste (D) Agricultural burning 5. : Which international agreement aims to reduce carbon emissions to combat climate change? (A) Kyoto Protocol (B) Paris Agreement (C) Montreal Protocol (D) Basel Convention 6. : What type of pollution is caused by excessive use of fertilizers and pesticides in agriculture? (A) Air pollution (B) Soil pollution (C) Water pollution (D) Noise pollution 7. : Which of the following is a consequence of deforestation? (A) Increase in biodiversity (B) Soil erosion (C) Decrease in carbon dioxide levels (D) Improved air quality 8. : What is the primary source of methane emissions in Pakistan? (A) Livestock farming (B) Vehicle emissions (C) Industrial waste (D) Deforestation 9. : Which pollutant causes smog and respiratory problems in cities? (A) Carbon monoxide (B) Sulfur dioxide (C) Nitrogen oxides (D) Particulate matter 10. : What is the term for the gradual increase in Earth’s average temperature? (A) Climate variability (B) Climate change (C) Global warming (D) Ozone depletion 11. : Which forest type is most affected by deforestation in Pakistan? (A) Tropical rainforests (B) Coniferous forests (C) Mangrove forests (D) Deciduous forests 12. : What is the impact of deforestation on the water cycle? (A) Increases rainfall (B) Decreases evaporation and transpiration (C) No impact (D) Increases groundwater recharge 13. : Which harmful gas contributes to acid rain? (A) Methane (B) Carbon dioxide (C) Sulfur dioxide (D) Oxygen 14. : What is the major source of water pollution in Pakistan’s rivers? (A) Agricultural runoff (B) Industrial effluents (C) Urban sewage (D) All of the above 15. : Which environmental issue is primarily responsible for the loss of coral reefs? (A) Air pollution (B) Climate change (C) Soil erosion (D) Noise pollution 16. : What is a major effect of increased carbon dioxide in the atmosphere? (A) Ozone layer repair (B) Sea-level rise (C) Decreased temperatures (D) Decreased rainfall 17. : Which province in Pakistan faces severe deforestation issues? (A) Punjab (B) Sindh (C) Khyber Pakhtunkhwa (D) Balochistan 18. : Which pollutant is commonly released from vehicle exhaust? (A) Nitrous oxide (B) Carbon monoxide (C) Methane (D) Chlorofluorocarbons 19. : What process leads to the thinning of the ozone layer? (A) Global warming (B) Chlorofluorocarbon emissions (C) Deforestation (D) Soil erosion 20. : Which of the following is a renewable source of energy that can reduce pollution? (A) Coal (B) Oil (C) Solar energy (D) Natural gas 21. : Which is the main cause of desertification in Pakistan? (A) Overgrazing and deforestation (B) Industrial pollution (C) Urbanization (D) Flooding 22. : What is the biggest contributor to indoor air pollution in rural Pakistan? (A) Open fires and biomass burning (B) Factories (C) Vehicular emissions (D) Pesticides 23. : What is the major effect of particulate matter pollution? (A) Skin diseases (B) Respiratory illnesses (C) Water contamination (D) Soil infertility 24. : Which of the following is a method to reduce deforestation? (A) Planting trees (afforestation) (B) Using fossil fuels (C) Clearing forests for agriculture (D) Overgrazing 25. : Which gas is primarily responsible for the greenhouse effect? (A) Oxygen (B) Nitrogen (C) Carbon dioxide (D) Argon 26. : Which crop residue burning causes seasonal air pollution in Pakistan? (A) Wheat straw (B) Rice straw (C) Cotton stalks (D) Sugarcane leaves 27. : What is a major effect of climate change on Pakistan? (A) Increased snowfall in all regions (B) More frequent floods and droughts (C) Decrease in average temperature (D) Increased forest cover 28. : What type of pollution is caused by the release of untreated sewage into water bodies? (A) Noise pollution (B) Soil pollution (C) Water pollution (D) Air pollution 29. : Which international day is observed to raise awareness about climate change? (A) World Environment Day (B) Earth Day (C) World Meteorological Day (D) World Water Day 30. : Which activity is a major contributor to greenhouse gas emissions in Pakistan? (A) Fishing (B) Coal burning for electricity (C) Reforestation (D) Organic farming 31. : What is a consequence of plastic pollution in the environment? (A) Soil enrichment (B) Harm to wildlife and marine life (C) Increased plant growth (D) Reduced pollution 32. : Which city in Pakistan faces critical air pollution levels during winter months? (A) Islamabad (B) Lahore (C) Quetta (D) Karachi 33. : What is the main cause of ocean pollution near Pakistan’s coastline? (A) Industrial waste discharge (B) Deforestation (C) Agricultural runoff (D) Urban expansion 34. : Which of the following is a sustainable practice to combat climate change? (A) Increased use of coal (B) Afforestation and renewable energy use (C) Urban sprawl (D) Increased deforestation 35. : What effect does deforestation have on wildlife? (A) Habitat loss and species extinction (B) Increased biodiversity (C) Improved air quality (D) Increased animal population 36. : Which pollutant is responsible for the formation of ground-level ozone? (A) Carbon monoxide (B) Nitrogen oxides (C) Sulfur dioxide (D) Methane 37. : What does the term “carbon footprint” refer to? (A) Amount of carbon in soil (B) Total greenhouse gas emissions caused by an individual or organization (C) Number of trees planted (D) Carbon stored in plants 38. : Which of these is a common indoor air pollutant? (A) Radon gas (B) Methane from animals (C) Ozone layer depletion (D) Carbon dioxide from trees 39. : What is the role of mangroves in the environment? (A) Increase carbon emissions (B) Protect coastal areas and store carbon (C) Cause soil erosion (D) Increase urban pollution 40. : Which environmental issue is related to the depletion of the ozone layer? (A) Skin cancer increase due to UV radiation (B) Global warming (C) Air pollution (D) Soil erosion 41. : Which human activity is the biggest cause of climate change? (A) Deforestation (B) Industrial activities and fossil fuel combustion (C) Natural disasters (D) Volcanic eruptions 42. : What is the purpose of Environmental Impact Assessment (EIA)? (A) To increase deforestation (B) To evaluate the environmental effects of proposed projects (C) To reduce wildlife (D) To increase urbanization 43. : Which pollutant is mainly responsible for respiratory diseases in Pakistan? (A) Lead (B) Particulate matter (PM2.5 and PM10) (C) Chlorofluorocarbons (D) Nitrogen 44. : Which policy is used in Pakistan to combat deforestation? (A) National Forest Policy (B) Urban Development Policy (C) Industrial Policy (D) Agricultural Policy 45. : Which is a major source of water contamination in Pakistan? (A) Rainwater (B) Industrial effluents and sewage (C) Groundwater recharge (D) Snowmelt 46. : What is a key strategy to reduce air pollution in cities? (A) Increase use of diesel vehicles (B) Promote public transport and use of cleaner fuels (C) Increase industrial emissions (D) Remove green spaces 47. : What is a major effect of soil pollution? (A) Increased fertility (B) Reduced agricultural productivity (C) Increased groundwater levels (D) Reduced erosion 48. : Which pollutant is mainly released from burning fossil fuels? (A) Chlorine (B) Carbon dioxide (C) Nitrogen (D) Oxygen 49. : What is the term for the loss of trees and forest area? (A) Afforestation (B) Deforestation (C) Reforestation (D) Urbanization 50. : What environmental problem is caused by excessive use of plastic bags? (A) Air pollution (B) Water pollution and wildlife harm (C) Soil erosion (D) Noise pollution