Environment | General Knowledge Olympiad for Class 1 PDF Download

Everything around us is known as Environment. It includes both living things like humans, plants, animals, etc. and non-living things like water, air, food, etc. 

Environment | General Knowledge Olympiad for Class 1

Causes of Environmental Pollution

  • Mixing of smoke and dust in the air.
  • Throwing garbage on street.
  • Contamination water due to throwing wastes into it.
  • Cutting down of plants and trees.

Conservation of Environment: Reduce, Reuse and Recycle (3Rs)

  1. Reduce: By reducing the consumption of materials that pollute the environment, we can reduce the waste we create.
  2. Reuse: By using the items again and again for the same purpose.
  3. Recycle: By converting old products into new ones.
The document Environment | General Knowledge Olympiad for Class 1 is a part of the Class 1 Course General Knowledge Olympiad for Class 1.
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FAQs on Environment - General Knowledge Olympiad for Class 1

1. What are the main factors contributing to environmental pollution?
Ans. The main factors contributing to environmental pollution include industrial activities, vehicle emissions, improper waste disposal, deforestation, and agricultural practices. These activities release harmful pollutants into the air, water, and soil, leading to various environmental issues.
2. How does deforestation impact the environment?
Ans. Deforestation has several negative impacts on the environment. It leads to the loss of biodiversity, disrupts ecosystems, contributes to climate change by reducing carbon sequestration, and increases the risk of soil erosion and flooding. It also affects local communities who depend on forests for their livelihoods.
3. What are the effects of air pollution on human health?
Ans. Air pollution can have severe effects on human health. It can cause respiratory problems such as asthma and bronchitis, increase the risk of lung cancer and heart diseases, and worsen existing conditions like allergies. Prolonged exposure to polluted air can also lead to reduced lung function and developmental issues in children.
4. How does water pollution impact aquatic life?
Ans. Water pollution has detrimental effects on aquatic life. It can lead to the death of fish and other aquatic organisms due to the presence of toxic substances in the water. It also disrupts the natural balance of ecosystems, reduces biodiversity, and affects the reproduction and survival of aquatic species.
5. What are the consequences of improper waste disposal?
Ans. Improper waste disposal has several consequences for the environment. It can contaminate soil and water sources, leading to pollution and health risks. It attracts pests and vermin, contributing to the spread of diseases. Improperly disposed waste also takes up valuable land space and emits greenhouse gases when it decomposes, contributing to climate change.
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