MCQ 131:
Which of the following is a potential consequence of climate change on agriculture?
A) Increased crop yields globally
B) Shift in growing seasons and crop viability
C) Stabilized weather patterns
D) Reduced pests and diseases
Answer: B) Shift in growing seasons and crop viability
Explanation: Climate change can alter growing seasons and affect crop viability, leading to challenges in food production.
MCQ 132:
What is a significant driver of deforestation?
A) Sustainable forestry practices
B) Urban development and agriculture expansion
C) Reforestation initiatives
D) Conservation programs
Answer: B) Urban development and agriculture expansion
Explanation: Urban development and agricultural expansion are major drivers of deforestation, leading to habitat loss and increased carbon emissions.
MCQ 133:
What is the main function of a biosphere reserve?
A) To promote industrial activities
B) To conserve biodiversity while allowing for sustainable resource use
C) To eliminate all human activities
D) To increase urban development
Answer: B) To conserve biodiversity while allowing for sustainable resource use
Explanation: Biosphere reserves aim to conserve biodiversity and promote sustainable practices among local communities.
MCQ 134:
Which of the following contributes to soil degradation?
A) Crop rotation
B) Overuse of chemical fertilizers
C) Conservation tillage
D) Agroforestry
Answer: B) Overuse of chemical fertilizers
Explanation: Overuse of chemical fertilizers can lead to soil degradation, reducing soil fertility and health over time.
MCQ 135:
What is the primary effect of ocean acidification on marine life?
A) Improved coral growth
B) Harm to shellfish and coral reefs
C) Increased fish populations
D) Stabilized marine ecosystems
Answer: B) Harm to shellfish and coral reefs
Explanation: Ocean acidification negatively impacts marine organisms that rely on calcium carbonate, such as shellfish and corals, leading to weaker structures and increased mortality.
MCQ 136:
What does the term “sustainable development” refer to?
A) Economic growth at any cost
B) Development that meets the needs of the present without compromising future generations
C) Increased consumption of natural resources
D) Urbanization without consideration for the environment
Answer: B) Development that meets the needs of the present without compromising future generations
Explanation: Sustainable development aims to balance economic growth, environmental protection, and social equity for current and future generations.
MCQ 137:
Which of the following is an effective method to conserve water?
A) Increased irrigation in agriculture
B) Rainwater harvesting
C) Overwatering gardens
D) Wasting water in daily activities
Answer: B) Rainwater harvesting
Explanation: Rainwater harvesting captures and stores rainwater for future use, helping conserve water resources and reduce dependency on groundwater.
MCQ 138:
What is the role of a conservation biologist?
A) To promote industrial growth
B) To study and protect biodiversity and ecosystems
C) To enhance urbanization
D) To increase resource extraction
Answer: B) To study and protect biodiversity and ecosystems
Explanation: Conservation biologists focus on understanding biodiversity, threats to ecosystems, and developing strategies for conservation and sustainable management.
MCQ 139:
What is the primary purpose of the Endangered Species Act?
A) To promote hunting of endangered species
B) To provide protection for threatened and endangered species and their habitats
C) To increase industrial activities in natural areas
D) To promote urban development
Answer: B) To provide protection for threatened and endangered species and their habitats
Explanation: The Endangered Species Act aims to prevent extinction and promote recovery of threatened and endangered species through protection and habitat conservation.
MCQ 140:
Which of the following practices can enhance urban biodiversity?
A) Urban sprawl
B) Green roofs and community gardens
C) Increased concrete surfaces
D) Industrial development
Answer: B) Green roofs and community gardens
Explanation: Green roofs and community gardens provide habitats for various species, contributing to increased urban biodiversity and ecosystem services.
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