Q1. What is the term for the loss of biodiversity due to habitat destruction? (2023)
Solution:
Habitat fragmentation leads to the loss of biodiversity as it divides ecosystems and isolates species.
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Q2. What is the main source of ozone depletion? (2021)
Solution:
Chlorofluorocarbons (CFCs) are the primary substances responsible for ozone layer depletion.
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Q3. What is the main source of plastic pollution in oceans? (2021)
Solution:
Single-use plastics, such as bags and bottles, are a major contributor to plastic pollution in oceans.
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Q4. Which of the following is a sustainable practice? (2021)
Solution:
Organic farming is considered a sustainable practice as it promotes biodiversity and reduces chemical inputs.
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Q5. What is the main impact of plastic pollution on marine life? (2022)
Solution:
Plastic pollution leads to ingestion and entanglement of marine animals, causing injury and death.
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Q6. What is the term for the gradual increase in Earth's average temperature due to human activities? (2023)
Solution:
Global warming refers specifically to the long-term rise in Earth's average surface temperature due to human activities.
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Q7. What is the main effect of deforestation on the environment? (2019)
Solution:
Deforestation leads to the loss of habitat for many species, resulting in decreased biodiversity.
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Q8. What is the primary goal of sustainable development? (2023)
Solution:
The primary goal of sustainable development is to meet the needs of the present without compromising the ability of future generations to meet their own needs.
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Q9. What is the primary effect of deforestation on the environment? (2021)
Solution:
Deforestation leads to the loss of habitat for many species, contributing to biodiversity loss and ecosystem degradation.
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Q10. What is the main source of ozone layer depletion? (2021)
Solution:
Chlorofluorocarbons (CFCs) are the primary substances responsible for the depletion of the ozone layer.
