MCQ 91:
Which of the following is an indicator of climate change?
A) Decreased global temperatures
B) Melting glaciers and ice caps
C) Stabilized sea levels
D) Increased snowfall
Answer: B) Melting glaciers and ice caps
Explanation: Melting glaciers and ice caps are clear indicators of climate change, as rising global temperatures lead to their accelerated melting.
MCQ 92:
What is the primary purpose of sustainable fisheries management?
A) To maximize short-term fish catches
B) To ensure fish populations remain healthy and ecosystems are maintained
C) To promote the use of harmful fishing practices
D) To increase bycatch rates
Answer: B) To ensure fish populations remain healthy and ecosystems are maintained
Explanation: Sustainable fisheries management aims to maintain fish populations and protect marine ecosystems to ensure long-term viability and health of fish stocks.
MCQ 93:
What is a key benefit of community-based conservation?
A) It promotes urbanization.
B) It reduces local involvement in conservation efforts.
C) It empowers local communities to manage their natural resources sustainably.
D) It increases reliance on industrial methods.
Answer: C) It empowers local communities to manage their natural resources sustainably.
Explanation: Community-based conservation involves local communities in decision-making processes, leading to more effective and sustainable management of natural resources.
MCQ 94:
What is a significant consequence of oil spills?
A) Increased marine biodiversity
B) Harm to marine ecosystems and wildlife
C) Improved water quality
D) Enhanced fishing yields
Answer: B) Harm to marine ecosystems and wildlife
Explanation: Oil spills can severely damage marine ecosystems, harming wildlife, destroying habitats, and leading to long-term environmental impacts.
MCQ 95:
Which of the following is a potential benefit of urban green spaces?
A) Increased air pollution
B) Enhanced mental health and well-being
C) Decreased biodiversity
D) Urban heat island effect
Answer: B) Enhanced mental health and well-being
Explanation: Urban green spaces provide numerous benefits, including improved mental health, recreational opportunities, and increased biodiversity in urban environments.
MCQ 96:
What is the primary concern with groundwater depletion?
A) Increased availability of drinking water
B) Improved crop yields
C) Loss of freshwater resources
D) Enhanced ecosystem health
Answer: C) Loss of freshwater resources
Explanation: Groundwater depletion can lead to a loss of freshwater resources, impacting agriculture, drinking water supplies, and natural ecosystems.
MCQ 97:
What is the primary goal of the Kyoto Protocol?
A) To promote fossil fuel use
B) To reduce greenhouse gas emissions
C) To increase deforestation
D) To enhance industrial growth
Answer: B) To reduce greenhouse gas emissions
Explanation: The Kyoto Protocol aims to establish legally binding commitments for industrialized countries to reduce greenhouse gas emissions in an effort to combat climate change.
MCQ 98:
What is the main impact of urban sprawl on the environment?
A) Enhanced biodiversity
B) Increased habitat destruction
C) Improved air quality
D) Decreased resource consumption
Answer: B) Increased habitat destruction
Explanation: Urban sprawl often leads to habitat destruction as natural areas are converted into urban landscapes, resulting in biodiversity loss and ecosystem degradation.
MCQ 99:
Which of the following is an effect of climate change on weather patterns?
A) Stabilized weather systems
B) More frequent and intense weather events
C) Decreased global temperatures
D) Enhanced predictability of weather
Answer: B) More frequent and intense weather events
Explanation: Climate change is linked to increased frequency and intensity of extreme weather events, such as hurricanes, droughts, and floods.
MCQ 100:
What is the main objective of conservation biology?
A) To promote industrial growth
B) To understand and protect biodiversity
C) To enhance resource extraction
D) To increase agricultural production
Answer: B) To understand and protect biodiversity
Explanation: Conservation biology focuses on understanding the factors that affect biodiversity and developing strategies to protect and preserve species and ecosystems.
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