Ecology - Environmental Issues

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Q1. 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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Q2. Which of the following is a greenhouse gas? (2020)

Solution:

Carbon dioxide is a greenhouse gas that contributes to the greenhouse effect and global warming.

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Q3. What is the effect of plastic pollution on marine life? (2022)

Solution:

Plastic pollution leads to habitat destruction and bioaccumulation of toxins in marine organisms, severely impacting marine ecosystems.

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Q4. Which of the following practices can help reduce soil erosion? (2022)

Solution:

Crop rotation helps maintain soil health and reduces soil erosion by preventing nutrient depletion.

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Q5. What is the main consequence of plastic pollution in oceans? (2023)

Solution:

Plastic pollution in oceans leads to entanglement and ingestion by marine life, causing injury and death to various species.

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Q6. Which of the following is a major contributor to water pollution? (2020)

Solution:

Plastic waste is a significant contributor to water pollution, affecting aquatic life and ecosystems.

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Q7. What is the main effect of deforestation on biodiversity? (2019)

Solution:

Deforestation leads to habitat loss, which is a major threat to biodiversity.

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Q8. 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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Q9. What is the term for the gradual increase in Earth's average temperature? (2023)

Solution:

Global warming refers specifically to the gradual increase in Earth's average temperature due to human activities.

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Q10. 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.