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MCQs: Fish in the ponds and lakes die because the algae
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MCQs: Huge strainers are used to
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MCQs: As compare to water, pesticides and insecticides have
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MCQs: The water we use comes from
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MCQs: Pesticides make the river water
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MCQs: Most of the reservoirs are built on
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MCQs: As compare to normal water the concentration of oxygen in hot water is
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MCQs: When people do not have enough water for washing hands and body, a disease is spread. This disease is known as
Category: Science Mcqs, Published by: teswesm
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MCQs: The maximum percentage of water in a plant or animal is
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MCQs: Desalinated and distilled water is mostly used in
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MCQs: In best water treatment works, water is pumped from
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MCQs: A food item which is wasted most, is
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MCQs: The disease formed due to the drinking of water containing bacteria and viruses is known as
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MCQs: The soil and sand is settled at the bottom in
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MCQs: Crops grow well when they are
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MCQs: If we don't drink water, we will eventually
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MCQs: The largest ocean covers about
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MCQs: Scientists believe that eight out of ten people in under developed countries suffer from diseases due to ?
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MCQs: Trachoma is caused due to the presence of
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MCQs: In snowy regions, most of the fresh water is in the form of
Category: Science Mcqs, Published by: teswesm
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