Q. Biofuels are obtained from

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Q. Vegetable oil is used in

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Q. Which country has more interest for biofuel?

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Q. Using fuel wood, crop wastes and animal dung as a fuel is known as

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Q. The fermented or distilled product of crops are used in

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Q. A source that can be used for a long time into future is known as

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Q. A resource that is replaced naturally, it never runs out is known as

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Q. Poor irrigation system is causing salinization and

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Q. Which energy is always available

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Q. Which source of energy us used widespread?

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Q. Tarbela Dam is situated in which country?

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Q. Which source of energy is the cheapest ways of making electricity?

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Q. Large dams are expensive because developing countries may get into

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Q. Tarbela Dam produces 3478 megawatts of power, how much percent of the country's power need is completed?

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Q. What is the height of wind turbine?

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Q. Scientists are looking for new ways of generating hydrogen from most renewable energy

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Q. Fast running water drives the turbines that work the generators and produces

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Q. Which copper mine is the world's largest opencast pit?

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Q. The larger the dam, there is more possibility of social and

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Q. Companies can install energy efficient lights, heating and

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