MCQ 151:
What is the main environmental benefit of reforestation?
A) Increased carbon emissions
B) Enhanced biodiversity and carbon sequestration
C) Decreased soil fertility
D) Urban development
Answer: B) Enhanced biodiversity and carbon sequestration
Explanation: Reforestation helps restore ecosystems, increase biodiversity, and sequester carbon dioxide from the atmosphere, mitigating climate change.
MCQ 152:
Which of the following is a common cause of water pollution?
A) Industrial discharge
B) Sustainable agriculture
C) Forest conservation
D) Wildlife protection
Answer: A) Industrial discharge
Explanation: Industrial discharge of chemicals and waste into water bodies is a major cause of water pollution, harming aquatic ecosystems and human health.
MCQ 153:
What is the primary purpose of the Kyoto Protocol?
A) To promote fossil fuel use
B) To reduce greenhouse gas emissions globally
C) To enhance industrial development
D) To increase deforestation
Answer: B) To reduce greenhouse gas emissions globally
Explanation: The Kyoto Protocol was an international treaty aimed at reducing greenhouse gas emissions to combat climate change.
MCQ 154:
What is the main effect of acid rain on the environment?
A) Increased biodiversity
B) Damage to forests and aquatic ecosystems
C) Improved soil fertility
D) Enhanced crop yields
Answer: B) Damage to forests and aquatic ecosystems
Explanation: Acid rain can harm trees, soil, and aquatic life by lowering pH levels and damaging sensitive ecosystems.
MCQ 155:
Which of the following practices can help reduce urban heat islands?
A) Increasing concrete surfaces
B) Planting trees and green spaces
C) Promoting industrial development
D) Reducing green areas
Answer: B) Planting trees and green spaces
Explanation: Planting trees and creating green spaces can help cool urban areas, reduce heat absorption, and enhance urban biodiversity.
MCQ 156:
What is the main purpose of wetland conservation?
A) To promote urbanization
B) To enhance biodiversity and protect water quality
C) To increase agricultural production
D) To develop industrial areas
Answer: B) To enhance biodiversity and protect water quality
Explanation: Wetland conservation aims to protect these critical ecosystems, which provide habitats for wildlife and help filter and purify water.
MCQ 157:
Which of the following is a primary source of nitrogen pollution in water bodies?
A) Wildlife habitats
B) Agricultural runoff
C) Forest ecosystems
D) Urban green spaces
Answer: B) Agricultural runoff
Explanation: Agricultural runoff containing fertilizers is a significant source of nitrogen pollution, leading to eutrophication and harmful algal blooms in water bodies.
MCQ 158:
What is the primary goal of sustainable agriculture?
A) To maximize chemical use
B) To increase crop yields regardless of environmental impact
C) To produce food while minimizing environmental damage and maintaining soil health
D) To promote monoculture practices
Answer: C) To produce food while minimizing environmental damage and maintaining soil health
Explanation: Sustainable agriculture seeks to balance food production with environmental health, ensuring long-term viability of agricultural practices.
MCQ 159:
Which of the following contributes to urban sprawl?
A) Public transportation improvements
B) Zoning regulations that promote low-density development
C) Sustainable land use planning
D) High-density housing developments
Answer: B) Zoning regulations that promote low-density development
Explanation: Zoning regulations that encourage low-density development can lead to urban sprawl, increasing habitat loss and environmental degradation.
MCQ 160:
What is the term for the practice of growing multiple crops in the same area simultaneously?
A) Monoculture
B) Crop rotation
C) Intercropping
D) Conventional farming
Answer: C) Intercropping
Explanation: Intercropping involves growing different crops in the same space, promoting biodiversity, improving soil health, and reducing pest pressure.
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