1. The correct answer is (C) Afforestation. Afforestation, or planting trees, helps in soil conservation by preventing erosion, improving soil fertility, and maintaining moisture levels. Trees bind the soil with their roots, reducing the risk of landslides and desertification, making it a crucial methoRead more

    The correct answer is (C) Afforestation.
    Afforestation, or planting trees, helps in soil conservation by preventing erosion, improving soil fertility, and maintaining moisture levels. Trees bind the soil with their roots, reducing the risk of landslides and desertification, making it a crucial method for environmental protection.

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  2. The correct answer is (D) Natural gas. Natural gas is the least polluting fuel among the options because it burns more cleanly than coal, petrol, or diesel. It produces lower amounts of carbon dioxide (CO₂), sulfur dioxide (SO₂) and particulate matter, making it a more environmentally friendly energRead more

    The correct answer is (D) Natural gas.
    Natural gas is the least polluting fuel among the options because it burns more cleanly than coal, petrol, or diesel. It produces lower amounts of carbon dioxide (CO₂), sulfur dioxide (SO₂) and particulate matter, making it a more environmentally friendly energy source.

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  3. The correct answer is (B) Throwing plastic waste into rivers. Plastic waste and other pollutants contaminate water bodies, harming aquatic life and making water unsafe for consumption. Industrial waste, sewage and chemical runoff also contribute to water pollution, affecting ecosystems and human heaRead more

    The correct answer is (B) Throwing plastic waste into rivers.
    Plastic waste and other pollutants contaminate water bodies, harming aquatic life and making water unsafe for consumption. Industrial waste, sewage and chemical runoff also contribute to water pollution, affecting ecosystems and human health.

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  4. The correct answer is (D) All of the above. Forests provide fresh air by producing oxygen, serve as shelter for animals by offering habitat and food and help in preventing soil erosion by holding the soil together with tree roots. They play a crucial role in maintaining ecological balance.

    The correct answer is (D) All of the above.
    Forests provide fresh air by producing oxygen, serve as shelter for animals by offering habitat and food and help in preventing soil erosion by holding the soil together with tree roots. They play a crucial role in maintaining ecological balance.

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  5. The correct answer is (C) A pattern formed by a group of stars. A constellation is a recognizable arrangement of stars that form patterns in the night sky, often named after mythological figures, animals, or objects, helping in navigation and astronomical studies. For more visit here: https://www.tiRead more

    The correct answer is (C) A pattern formed by a group of stars. A constellation is a recognizable arrangement of stars that form patterns in the night sky, often named after mythological figures, animals, or objects, helping in navigation and astronomical studies.

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